C/2001 B2 (NEAT)                                                      

Epoch 2000 Sept. 13.0 TT = JDT 2451800.5  

T 2000 Sept. 1.88124 TT                                 Nakano

q   5.3064566            (2000.0)            P               Q

z  -0.0005567      Peri.  304.75182     -0.87716094     -0.38946668

 +/-0.0000014      Node   145.08468     -0.07884387     +0.69383835

e   1.0029542      Incl.  150.60884     -0.47367957     +0.60572605

From 511 observations 2001 Jan. 24-2003 Dec. 28, mean residual 0".69.

   (1/a)org.= +0.000187, (1/a)fut.= +0.000306 (+/-0.000001), Q= 8.

Residuals in seconds of arc 

2001/                     010424 704  0.4+  0.1+    020309 367  0.6-  0.6+  

010124 608  1.2-  0.0     010424 704  0.2+  0.1-    020309 360  0.2+  0.2-  

010124 608 (2.9-  0.2-)   010424 704  0.1+  1.0+    020309 360  0.3+  0.3-  

010124 608 (2.3-  0.2+)   010424 704  0.0   1.0+    020310 241  0.1+  0.1-  

010125 808  0.1-  0.7+    010424 704 (1.0-  2.0+)   020310 241  0.2+  0.5-  

010125 808  0.7-  1.5+    010424 608  0.9+  0.2+    020310 241  0.4+  0.1+  

010125 850  1.4+  0.0     010424 608  0.8+  0.4+    020310 239  0.5-  0.3-  

010125 808 (0.0   2.0+)   010424 608  0.4+  0.8+    020310 239  1.0-  0.3+  

010125 808  0.0   1.8+    010424 046  0.0   0.1+    020310 239  0.9-  0.3+  

010125 808 (0.1+  2.2+)   010424 046  0.6+  0.2+    020310 239  0.8-  0.1-  

010125 850  0.7-  1.4-    010424 046  0.3+  0.1+    020311 367  0.6-  0.1+  

010125 850  0.1-  0.1+    010424 046  0.4+  0.0     020311 367  0.1-  0.3-  

010125 608  0.8-  1.8+    010425 367  0.2-  0.2-    020311 367  0.4+  0.3-  

010125 608  1.0-  0.3-    010425 367  0.1+  0.2+    020313 704  1.9+  0.3-  

010125 608  1.1-  0.4-    010425 367  0.4+  0.2+    020313 644  0.7-  0.1-  

010125 322  0.5-  0.6+    010426 360  0.6-  0.3+    020313 644  0.1+  0.4+  

010125 322  1.8-  0.6+    010426 360  0.0   0.3+    020313 704  0.5-  0.7+  

010125 322  1.1-  0.1-    010429 844  1.1-  0.7+    020313 704  0.0   1.4+  

010126 620  0.7-  0.2-    010429 844  1.3+  0.2-    020313 644  0.7-  0.2-  

010126 844  0.2+  0.5+    010429 844 (2.6-  0.0 )   020313 644  0.1+  0.1+  

010126 620  0.6-  0.7-    010512 349  0.8-  0.2+    020313 704  0.2+  1.9+  

010126 844 (8.1-  0.6-)   010512 349  0.5-  0.5+    020313 644  1.0-  1.2+  

010126 844 (2.4-  0.4+)   010516 360  0.1-  0.3+    020313 644  0.6-  1.8+  

010126 620  0.4-  0.1-    010516 360  0.2-  0.0     020313 704  1.8-  0.5-  

010126 844  1.6+  0.0     010520 746  0.6+  1.1+    020315 704  0.2+  0.5+  

010126 620  1.0-  0.1-    010520 746  0.5+  0.7+    020315 704  0.4-  1.6+  

010126 912  0.3+  0.1+    010520 746  0.4+  0.1+    020315 704 (0.2-  2.3+) 

010126 912  0.7+  0.1-    010520 746  0.1+  1.5-    020315 704 (0.2-  2.5+) 

010126 912 (2.1-  1.5+)   010520 746  0.3-  0.1+    020315 704 (3.0-  3.3+) 

010126 850  0.0   0.9-    010520 746  0.3-  0.4-    020316 241  0.9+  1.4-  

010126 850  0.5-  1.7-    010525 046  1.4+  0.8+    020316 241 (2.1+  1.1+) 

010127 046  0.2+  0.1+    010525 046  1.7+  1.1+    020317 367  0.4+  1.5-  

010127 046  0.2+  0.2+    010525 046  1.4+  1.7+    020317 367  0.3-  0.9-  

010127 046  0.6+  0.2-    010525 046  0.1+  0.8+    020317 367  0.3+  0.4-  

010127 046  0.1+  0.2+    010525 046  0.4+  1.2+    020319 170  0.4-  1.0+  

010127 046  0.2-  0.2+    010611 360  0.6-  0.2-    020322 170  1.0+  0.1-  

010127 557  0.4+  0.4-    010611 360  0.3-  0.3-    020330 046  0.6-  0.5+  

010127 557  0.2+  0.3-    010617 320  0.4-  0.2-    020330 046  0.3-  0.2-  

010127 808  0.2+  1.5+    010617 320  0.4-  0.3+    020330 046  0.2-  0.5+  

010127 808  0.3-  1.6+    010617 320  0.4-  1.3+    020330 046  0.5-  0.3+  

010127 739  1.2-  0.5+    010617 320  0.5+  0.7-    020330 046  0.3-  0.2+  

010127 739  0.5+  0.4-    010617 320  0.7-  1.1-    020331 699  0.9+  1.0-  

010127 739  0.2-  1.1+    010617 320 (2.7-  6.7-)   020331 699  0.6+  0.1-  

010127 734  0.4-  0.6-    010618 320 (3.7+  7.6+)   020331 699  0.4+  0.3-  

010127 734  0.7-  0.0     010618 320 (3.8+  6.9+)   020331 699  1.3-  0.4+  

010127 734  0.6-  0.5-    011123 349  1.4+  0.3+    020331 232  0.4-  0.5-  

010127 608  1.1-  0.8-    011123 349  0.0   0.5+    020331 232 (2.7+  1.0+) 

010127 608  1.0-  1.0-    011123 349  0.6-  0.4-    020401 170  0.4+  0.0   

010127 608  1.2-  0.5-    011208 683  0.2+  1.9+    020402 367  0.4+  1.0-  

010127 428  0.2+  0.7+    011208 683  1.6-  0.5+    020402 367  0.9+  0.2-  

010127 372  1.3-  0.1+    011208 683 (4.4-  1.4+)   020402 367  0.2+  0.5-  

010127 372  0.9+  0.8-    011209 683  0.4-  1.6+    020403 246  0.3+  0.2+  

010127 349  1.4+  0.9-    011209 683  0.6+  0.5-    020403 246  0.3+  0.1+  

010127 349  1.7+  1.6-    011209 683  1.4-  0.3-    020403 246  0.3+  0.0   

010127 349  1.5+  0.6-    011210 349  0.5-  0.7+    020403 246  0.3+  0.0   

010128 808  0.3-  0.5+    011210 349  0.2-  0.9+    020403 246  0.6+  0.2+  

010128 808  0.5-  0.2-    011210 349  0.5+  0.4+    020403 246  0.3+  0.0   

010128 608  0.8-  1.0-    011210 349  0.1-  1.0+    020404 360  0.1-  0.4-  

010128 608  1.9-  0.2-    011220 704  1.4+  1.0-    020404 360  0.1+  0.4-  

010128 608  1.1-  0.3-    011220 704  1.3+  0.6-    020405 170  0.4-  0.4+  

010129 808 (0.2+  2.4+)   011220 704  0.5-  0.2-    020406 927  1.6-  1.2+  

010129 808  0.6-  0.9-    011220 704  1.0+  0.7+    020406 927 (4.0-  2.8+) 

010129 900  0.7+  0.2-    011220 704 (1.1-  2.0+)   020406 927 (5.4-  0.8+) 

010129 900  0.4+  0.4-    011225 213  0.2+  0.3-    020412 608  0.8-  1.2+  

010129 349  0.7+  0.2-    011228 204  0.2-  0.7-    020412 608  1.3-  1.5+  

010129 349  0.3+  0.3-    011228 204  0.5-  0.8-    020412 608 (1.8-  2.1+) 

010129 349  0.5+  0.0     2002/                     020417 704  0.6+  1.4-  

010129 349  0.1+  0.7-    020101 644  0.5+  0.8-    020417 704  0.1-  0.9+  

010130 608  0.6-  0.5-    020101 644  0.2+  0.6-    020417 704  0.5-  0.3-  

010130 608  0.4-  0.2-    020101 644  0.5+  0.7-    020417 704  0.3+  0.2+  

010130 608  0.2-  0.6-    020104 349  0.9-  0.2+    020417 704 (2.6-  1.7+) 

010201 608  1.0-  1.1-    020104 349  0.4+  0.4+    020417 170  0.2+  0.0   

010201 608  0.7-  1.1-    020104 349  1.1-  0.3+    020417 170  0.8-  0.1-  

010201 608  1.2-  1.1-    020107 608  0.7+  0.2-    020418 704  0.1+  1.1-  

010202 352  0.3-  0.8+    020107 608  0.9+  0.2+    020418 704  0.5+  0.5+  

010202 352  0.5+  0.0     020107 608  1.1+  0.5+    020418 704  0.1+  0.2-  

010202 360  0.5+  0.4-    020111 704  0.2+  0.3+    020418 704 (2.0+  0.8+) 

010202 360  0.6+  0.2-    020111 704  0.5-  0.5+    020501 367  0.0   0.4-  

010204 620 (2.3-  3.3-)   020111 704  1.8-  0.5+    020501 367  0.6+  0.3+  

010204 620 (3.0-  2.1-)   020112 170  0.6+  0.3-    020501 367  0.4+  0.1+  

010205 620  0.3-  0.6-    020113 704  1.0+  0.3-    021214 360  0.2+  0.6-  

010205 620  1.5-  0.7-    020113 704  0.4-  0.5+    021214 360  0.5+  0.4-  

010205 620  0.9+  0.7-    020113 704  0.2-  0.6+    021228 H43 (1.8+  2.4+) 

010205 620  0.1-  0.2+    020113 704  0.2-  0.2-    021228 H43  0.0   1.4-  

010205 355  0.7+  0.7-    020113 704  1.9-  1.3+    021229 A02  0.8-  0.8-  

010205 355  1.4+  0.4-    020119 704 (2.8+  1.6-)   021229 A02 (2.0+  1.0+) 

010205 355  0.2+  0.1+    020119 704  1.4+  0.8-    2003/                   

010210 473  0.5-  0.7+    020119 704  1.8+  0.5-    030103 213 (2.8+  1.6-) 

010210 473  1.4-  1.5-    020119 704  1.3+  0.4-    030103 213 (2.4+  2.7-) 

010210 473 (0.7-  2.1-)   020119 704  0.3-  0.3+    030103 213 (2.6+  2.5+) 

010211 473  0.3+  0.2+    020122 704  0.3-  0.3+    030104 A02 (2.4+  0.9+) 

010212 322  0.0   0.1-    020122 704  0.1+  0.4+    030104 A02  0.4+  0.7-  

010212 322  0.4-  0.4-    020122 704  0.5+  0.3+    030104 A02  1.3-  0.4+  

010212 322  0.4+  0.5-    020122 704  0.4-  1.0+    030105 699  0.4-  0.2+  

010216 349  0.0   0.5+    020122 704 (2.1-  1.8+)   030105 699  0.1-  0.1+  

010216 349  0.0   0.2-    020122 352  0.2-  1.0-    030105 699  0.4+  0.2+  

010216 349  0.3-  0.1+    020122 352  0.6-  0.6-    030105 699  0.0   0.3+  

010216 349  0.1-  0.0     020122 352  0.3+  0.5-    030107 H43 (4.1+ 11.0-) 

010217 608  0.5-  0.8-    020124 360  0.2+  0.7-    030107 360  0.2+  0.2-  

010217 608  0.3-  1.1-    020124 360  0.2-  0.9-    030107 360  0.4-  0.3-  

010217 608  0.2-  0.9-    020125 170  0.6+  0.3-    030108 H43  1.5-  0.6-  

010219 808  0.2+  0.5-    020126 644  0.6+  0.1-    030110 H43  0.8+  0.7+  

010219 808  0.6+  0.3-    020126 644  0.7+  0.1+    030110 H43 (9.3+  0.1-) 

010219 360  0.8+  0.4-    020126 644  0.1+  0.1+    030111 H41 (3.2+  0.2+) 

010219 360  0.6+  0.3-    020201 213  0.5-  0.3+    030111 H41 (1.9+  3.1-) 

010220 608  0.1-  0.4+    020201 213 (3.5-  1.1+)   030111 349  0.0   0.6+  

010220 608  0.0   1.0+    020201 213 (1.1-  3.9+)   030111 349  0.1+  1.2-  

010220 608  0.0   0.2-    020202 232  1.5-  0.4-    030111 349  1.2-  0.4-  

010220 348  0.1-  0.3+    020202 232  0.9-  0.8-    030124 H43  1.0+  1.7+  

010220 348  0.2+  0.3-    020202 232  1.2-  0.8-    030124 H43  1.0+  0.0   

010222 428  0.4-  0.2-    020205 699  0.1-  1.0-    030126 204  0.1-  0.0   

010222 365  0.4+  0.6-    020205 699  0.2+  0.1+    030126 204  0.3-  0.4+  

010222 365  1.0+  0.2-    020205 699  0.5+  1.2-    030126 204  0.6-  0.9+  

010222 365  1.1+  0.9-    020205 699  0.1+  0.7-    030126 H41 (3.5+  0.6-) 

010222 349  0.1-  0.0     020205 644  0.2-  0.1+    030126 H41  0.9-  0.4-  

010222 349  0.1-  0.4+    020205 644  0.1+  0.1-    030127 H43 (1.7-  2.3+) 

010222 349  0.2-  0.1+    020205 644  0.2+  0.1-    030127 H43 (5.3+  4.6+) 

010225 608  0.3-  0.4-    020207 704  1.1+  0.6-    030131 699  0.2-  1.8-  

010225 608  0.5-  0.3+    020207 704  0.4+  0.7+    030131 704  0.7+  0.1-  

010225 608  0.3-  0.2+    020207 704  0.5+  0.4+    030131 699  0.5-  0.1+  

010226 808  0.2-  0.1+    020207 704  0.1+  1.0+    030131 704  1.4+  0.1+  

010226 808  0.6+  0.5+    020207 704  0.4-  1.0+    030131 699  1.3-  0.6-  

010226 808  0.5-  0.5+    020208 170  0.5+  0.0     030131 704  0.5+  0.3+  

010226 808  0.4+  0.4+    020208 170  0.1-  0.4+    030131 699  0.3+  0.0   

010311 428  0.3+  0.0     020209 049  1.0+  0.9-    030201 A02  0.9-  0.0   

010311 428  0.2+  0.5-    020209 049  0.5+  0.2-    030201 A02  1.7-  0.2+  

010311 428  0.2+  0.4-    020209 049  0.3-  0.4-    030201 A02  1.0-  0.9+  

010311 428  0.2+  0.4-    020209 232 (2.2-  0.4-)   030201 H41 (0.4-  3.5-) 

010313 322  0.2-  0.5-    020210 232  0.0   0.1+    030201 H41  1.0+  0.6+  

010313 322  0.0   0.6-    020210 232 (1.3-  2.1-)   030202 A02  0.9-  1.6-  

010313 322  0.1-  0.1-    020210 342  0.8+  0.2-    030202 A02  0.7-  1.4-  

010315 300  0.1+  0.5-    020210 342  0.9+  0.7-    030202 A02  0.3-  1.2-  

010315 360  0.2+  0.5-    020212 360  0.3+  0.4-    030202 644  0.6+  0.8+  

010315 300  0.1+  0.1-    020212 360  0.5+  0.5-    030202 644  0.1-  0.8+  

010315 360  0.3+  0.2-    020212 360  0.5+  0.3-    030202 644  0.7+  0.7+  

010315 300  0.1+  0.2-    020213 049  0.3-  0.2+    030202 213  0.5-  0.9+  

010315 300  0.0   0.2-    020213 049  0.4-  0.2+    030202 213 (2.5+  3.1-) 

010316 921 (2.8-  1.0+)   020214 049  0.4-  0.1-    030204 H43 (1.0-  2.3+) 

010316 921  1.0-  1.5-    020216 704  0.3-  1.0+    030204 H43 (8.1-  2.7+) 

010316 921  0.5+  1.6+    020216 704  0.7+  0.6+    030204 H43 (6.1-  1.1+) 

010318 349  0.8+  0.2-    020216 704  0.7+  0.3+    030205 H43 (7.1+  0.1-) 

010318 349  0.3-  0.2+    020216 704  0.6+  0.4+    030205 H43  0.4-  0.5+  

010318 349  0.4-  0.2-    020216 367  1.0+  0.0     030206 360  0.1+  0.0   

010318 349  0.3+  0.3-    020216 367  0.3-  0.2+    030206 360  0.3+  0.2-  

010319 352  0.1+  0.3-    020216 367  0.3+  0.8+    030208 H41 (3.0+  0.6-) 

010319 352  1.8-  0.4-    020218 170  0.8+  0.2+    030208 H41 (2.7+  0.2-) 

010324 699  0.1-  0.5+    020218 170  0.2-  0.5-    030208 118  0.5-  1.4-  

010324 699  0.4+  0.1+    020219 322  0.4+  0.5-    030208 118  0.4+  0.1-  

010324 608  1.0+  1.8+    020219 322  1.0+  0.4-    030208 118  0.6+  0.2+  

010324 699 (1.9+  2.2-)   020219 322  0.7+  0.4-    030208 118  1.5+  1.2-  

010324 608  0.8+  1.7+    020219 349  0.5-  0.3+    030208 118  0.5+  0.3-  

010324 608  0.9+  1.4+    020219 349  0.6-  0.6-    030209 A02  1.4-  0.7+  

010324 699  1.7+  1.9-    020219 349  1.1-  0.2-    030209 A02  1.4-  0.7+  

010325 318  0.0   0.7+    020219 170  0.5+  0.5-    030209 A02  1.8+  0.2-  

010325 318  0.1-  0.5+    020219 170  0.9-  0.6+    030211 H43  1.4-  1.9-  

010327 322  0.2+  0.0     020220 704  0.2+  0.1+    030211 H43  0.5-  0.1+  

010327 322  0.0   0.1-    020220 704  0.3+  0.9+    030212 636  0.2+  0.5+  

010327 322  0.4+  0.1-    020220 704  0.4-  1.2+    030212 636  0.2+  0.4+  

010330 428  0.5-  0.6+    020220 704  0.1+  0.9+    030212 636 (1.0+  2.0+) 

010330 428  0.1-  0.4-    020220 704  0.6-  0.2+    030223 H43  1.9-  1.7-  

010331 921 (2.9-  5.6+)   020224 644  0.2-  0.5+    030223 H43 (0.2-  3.7-) 

010331 921 (2.8-  5.1+)   020224 644  0.0   0.5+    030226 E04  0.1-  0.2+  

010331 360  0.2+  0.5-    020224 644  0.3+  0.5+    030226 E04  0.5+  0.2+  

010331 360  0.1+  0.5-    020302 232  0.3-  1.8-    030226 E04  0.0   0.5-  

010331 046  0.3+  0.0     020302 232  0.5-  0.6-    030227 246  0.0   0.7-  

010331 046  0.4+  0.2-    020303 246  0.3+  0.4-    030227 246  0.1-  0.3-  

010331 046  0.6+  0.0     020303 246  0.6+  0.1-    030227 246  0.1+  0.5-  

010331 046  0.5+  0.2-    020303 246  0.3+  0.1+    030227 246  0.1-  0.4-  

010401 349  0.3-  0.6+    020303 246  0.7+  0.3-    030227 246  0.2+  0.0   

010401 349  0.6-  1.7+    020303 246  0.3+  0.1-    030227 246  0.1-  0.4-  

010401 349  0.7+  0.2+    020303 246  0.0   0.2+    030305 704  0.7+  0.4+  

010401 349  0.3+  0.2+    020304 703  0.4+  1.0-    030305 704  0.4-  0.1-  

010401 046  0.5+  0.2+    020304 703  0.8+  0.9-    030305 704  0.6-  1.3+  

010401 046  0.6+  0.0     020304 703  0.0   0.0     030306 704  0.1-  1.8+  

010401 046  0.6+  0.3+    020304 703  0.2+  0.1-    030306 704  0.4-  0.8-  

010401 046  0.2+  0.3+    020304 215  0.4+  0.2+    030306 704 (0.6-  2.3+) 

010403 402  0.2-  0.4+    020304 215  1.3+  0.3+    030306 704  0.6+  1.5+  

010403 402  0.4-  0.5+    020304 215  0.7+  0.6-    030306 704  1.0-  0.9+  

010403 402  0.4-  0.2-    020305 699  0.4+  0.7-    030310 699  0.5+  0.9-  

010415 428  0.3-  0.0     020305 699  0.5+  1.1-    030310 699  0.7+  0.6+  

010415 428  0.1-  0.0     020305 699  1.3+  1.8-    030310 699  1.4+  0.4+  

010416 921  0.0   1.3-    020305 699  1.2+  1.2-    030310 699  0.1-  0.1-  

010416 921  0.3-  0.5-    020305 644  0.6-  1.0+    030310 H41 (3.2+  1.5+) 

010416 921 (2.0-  1.5-)   020305 644  0.0   0.7+    030324 240  0.1+  0.1-  

010422 349  0.8-  1.5+    020305 644  0.3-  0.7+    030324 240  0.0   0.0   

010422 349  0.6-  1.1+    020305 611  0.3-  0.7+    030324 240  0.5-  0.2+  

010422 349  0.8-  0.8+    020305 611  0.3+  1.0+    031201 360  0.6+  0.7-  

010422 349  0.2-  1.0+    020309 349  1.8-  0.4-    031201 360  0.7-  0.1+  

010422 900  0.3+  0.6-    020309 349  1.5-  0.5+    031201 360  0.6+  0.5-  

010422 900  0.3+  0.4+    020309 349  1.4-  0.4-    031228 360  0.5+  0.5+  

010422 402  0.1+  0.3+    020309 349  0.2-  0.1+    031228 360  0.3-  0.2+  

010422 402  0.0   0.1-    020309 367  0.0   0.1+    031228 360  0.5-  0.8-  

010422 402  0.2-  0.2+    020309 367  0.5-  0.4+                            



NAKANO

         **** Don't distribute anyone except personal use only ****

                (C) Copyright 2004 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2004-01-21 21:27:50(JST).

 

◎C/2001 B2の軌道と予報位置です



 久万の中村彰正氏は,2003年3月24日以来,途絶えていたこの彗星を2003年

12月1日と28日に観測しました.氏の CCD全光度は,それぞれ,19.1等と18.9

等でした.



    C/2001 B2 (NEAT)                                                      

Epoch 2000 Sept. 13.0 TT = JDT 2451800.5  

T 2000 Sept. 1.88124 TT                                 Nakano

q   5.3064566            (2000.0)            P               Q

z  -0.0005567      Peri.  304.75182     -0.87716094     -0.38946668

 +/-0.0000014      Node   145.08468     -0.07884387     +0.69383835

e   1.0029542      Incl.  150.60884     -0.47367957     +0.60572605

From 511 observations 2001 Jan. 24-2003 Dec. 28, mean residual 0".69.

   (1/a)org.= +0.000187, (1/a)fut.= +0.000306 (+/-0.000001), Q= 8.

 

Date/        TT  R.A.(2000) Decl.     Delta   r     Daily motion  Mag.  Moon Age

              h    h  m       。  ,                      ,  / PA 。  m1      。

2004 Jan. 20 14  08 09.74  +37 00.1   9.116 10.062     8.5 / 288  18.8  161  .03

          21 14  08 09.07  +37 02.7   9.123 10.068     8.5 / 288  18.8  168  .00

          22 14  08 08.39  +37 05.3   9.130 10.073     8.4 / 287  18.8  161  .01

          23 14  08 07.72  +37 07.8   9.137 10.078     8.4 / 287  18.8  149  .04

          24 14  08 07.05  +37 10.2   9.144 10.083     8.4 / 287  18.8  136  .09

          25 14  08 06.37  +37 12.6   9.152 10.089     8.3 / 286  18.8  123  .17

          26 14  08 05.70  +37 14.9   9.160 10.094     8.3 / 286  18.9  110  .25

          27 14  08 05.03  +37 17.2   9.168 10.099     8.3 / 286  18.9   98  .34

          28 14  08 04.36  +37 19.4   9.177 10.104     8.2 / 285  18.9   85  .44

          29 14  08 03.70  +37 21.6   9.186 10.110     8.2 / 285  18.9   74  .53

          30 14  08 03.04  +37 23.7   9.196 10.115     8.1 / 285  18.9   62  .62

          31 14  08 02.38  +37 25.7   9.206 10.120     8.1 / 284  18.9   50  .71

     Feb.  1 14  08 01.72  +37 27.7   9.216 10.126     8.0 / 284  18.9   39  .79

           2 14  08 01.06  +37 29.7   9.226 10.131     8.0 / 284  18.9   28  .86

           3 14  08 00.41  +37 31.6   9.237 10.136     7.9 / 283  18.9   18  .92

           4 14  07 59.77  +37 33.4   9.248 10.141     7.9 / 283  18.9   12  .97

           5 14  07 59.12  +37 35.2   9.259 10.147     7.8 / 283  18.9   17  .99

           6 14  07 58.48  +37 36.9   9.271 10.152     7.7 / 283  18.9   28 1.00

           7 14  07 57.85  +37 38.6   9.283 10.157     7.7 / 282  18.9   40  .98

           8 14  07 57.22  +37 40.2   9.296 10.162     7.6 / 282  18.9   52  .95

           9 14  07 56.59  +37 41.7   9.308 10.168     7.5 / 282  18.9   65  .89

          10 14  07 55.97  +37 43.2   9.321 10.173     7.5 / 281  18.9   79  .81

          11 14  07 55.35  +37 44.7   9.334 10.178     7.4 / 281  18.9   92  .72

          12 14  07 54.74  +37 46.1   9.348 10.183     7.3 / 281  18.9  106  .61

          13 14  07 54.14  +37 47.4   9.362 10.189     7.2 / 280  18.9  120  .50

          14 14  07 53.54  +37 48.7   9.376 10.194     7.1 / 280  18.9  134  .39

          15 14  07 52.94  +37 49.9   9.390 10.199     7.1 / 280  18.9  147  .28

          16 14  07 52.36  +37 51.1   9.405 10.204     7.0 / 279  19.0  160  .18

          17 14  07 51.77  +37 52.2   9.420 10.210     6.9 / 279  19.0  168  .10

          18 14  07 51.20  +37 53.3   9.435 10.215     6.8 / 279  19.0  163  .04

          19 14  07 50.63  +37 54.3   9.451 10.220     6.7 / 278  19.0  151  .01

          20 14  07 50.07  +37 55.3   9.467 10.226     6.6 / 278  19.0  138  .00

          21 14  07 49.51  +37 56.2   9.483 10.231     6.5 / 278  19.0  125  .02

          22 14  07 48.97  +37 57.1   9.499 10.236     6.4 / 277  19.0  112  .06

          23 14  07 48.43  +37 57.9   9.515 10.241     6.3 / 277  19.0   99  .11

          24 14  07 47.89  +37 58.7   9.532 10.247     6.3 / 277  19.0   86  .18

          25 14  07 47.37  +37 59.4   9.549 10.252     6.2 / 276  19.0   74  .27

          26 14  07 46.85  +38 00.1   9.567 10.257     6.1 / 276  19.0   62  .35

          27 14  07 46.34  +38 00.7   9.584 10.262     6.0 / 276  19.0   51  .45

          28 14  07 45.84  +38 01.3   9.602 10.268     5.9 / 275  19.0   39  .54

          29 14  07 45.35  +38 01.9   9.620 10.273     5.8 / 275  19.0   28  .63

     Mar.  1 14  07 44.86  +38 02.4   9.638 10.278     5.7 / 275  19.0   18  .72

NAKANO

         **** Don't distribute anyone except personal use only ****

                (C) Copyright 2004 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2004-01-21 05:10:57(JST).

 

    C/2001 B2 (NEAT)                                                      

Epoch 2000 Sept. 13.0 TT = JDT 2451800.5  

T 2000 Sept. 1.88131 TT                                 Nakano

q   5.3064570            (2000.0)            P               Q

z  -0.0005567      Peri.  304.75183     -0.87716100     -0.38946652

 +/-0.0000015      Node   145.08468     -0.07884372     +0.69383834

e   1.0029539      Incl.  150.60884     -0.47367947     +0.60572616

From 502 observations 2001 Jan. 24-2003 Mar. 10, mean residual 0".69.

   (1/a)org.= +0.000187, (1/a)fut.= +0.000306 (+/-0.000001), Q= 8.



NAKANO

         **** Don't distribute anyone except personal use only ****

                (C) Copyright 2003 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2003-03-20 00:36:21(JST).

 





    C/2001 B2 (NEAT)                                                      

Epoch 2000 Sept. 13.0 TT = JDT 2451800.5  

T 2000 Sept. 1.88052 TT                                 Nakano

q   5.3064524            (2000.0)            P               Q

z  -0.0005558      Peri.  304.75177     -0.87716034     -0.38946798

 +/-0.0000018      Node   145.08471     -0.07884457     +0.69383786

e   1.0029495      Incl.  150.60881     -0.47368055     +0.60572577

From 426 observations 2001 Jan. 24-2002 Dec. 14, mean residual 0".67.

   (1/a)org.= +0.000187, (1/a)fut.= +0.000306 (+/-0.000002), Q= 8.



NAKANO

         **** Don't distribute anyone except personal use only ****

                (C) Copyright 2003 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2003-01-07 05:12:31(JST).

 

    C/2001 B2 (NEAT)

Epoch 2000 Sept. 13.0 TT = JDT 2451800.5  

T 2000 Sept. 1.88089 TT                                 Nakano

q   5.3064545            (2000.0)            P               Q

z  -0.0005558      Peri.  304.75183     -0.87716067     -0.38946724

 +/-0.0000018      Node   145.08472     -0.07884392     +0.69383784

e   1.0029493      Incl.  150.60880     -0.47368005     +0.60572627

From 420 observations 2001 Jan. 24-2002 May 1, mean residual 0".67.

   (1/a)org.= +0.000187, (1/a)fut.= +0.000306 (+/-0.000002), Q= 8.



         **** Don't distribute anyone except personal use only ****

                (C) Copyright 2002 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2002-05-23 04:49:42(JST).

 



◎C/2001 B2の軌道と予報位置です



  5月1日の八束の安部裕史氏の観測では,彗星の CCD全光度は17.0等でした.



    C/2001 B2 (NEAT)

Epoch 2000 Sept. 13.0 TT = JDT 2451800.5  

T 2000 Sept. 1.88089 TT                                 Nakano

q   5.3064545            (2000.0)            P               Q

z  -0.0005558      Peri.  304.75183     -0.87716067     -0.38946724

 +/-0.0000018      Node   145.08472     -0.07884392     +0.69383784

e   1.0029493      Incl.  150.60880     -0.47368005     +0.60572627

From 420 observations 2001 Jan. 24-2002 May 1, mean residual 0".67.

   (1/a)org.= +0.000187, (1/a)fut.= +0.000306 (+/-0.000002), Q= 8.

 

Date/        TT  R.A.(2000) Decl.     Delta   r     Daily motion  Mag.  Moon Age

              h    h  m       。  ,                      ,  / PA 。  m1      。

2002 May   1 12  09 10.24  +17 29.8   6.765  6.906     4.3 / 313  16.5  143  .77

           2 12  09 10.02  +17 32.7   6.788  6.911     4.1 / 313  16.6  156  .68

           3 12  09 09.81  +17 35.5   6.810  6.915     4.0 / 314  16.6  169  .58

           4 12  09 09.61  +17 38.2   6.833  6.920     3.8 / 315  16.6  177  .48

           5 12  09 09.43  +17 40.9   6.855  6.924     3.6 / 316  16.6  166  .39

           6 12  09 09.25  +17 43.6   6.878  6.929     3.5 / 317  16.6  154  .30

           7 12  09 09.08  +17 46.2   6.900  6.933     3.4 / 319  16.6  142  .21

           8 12  09 08.93  +17 48.7   6.923  6.938     3.2 / 320  16.6  131  .14

           9 12  09 08.79  +17 51.1   6.945  6.942     3.1 / 322  16.6  119  .08

          10 12  09 08.65  +17 53.5   6.968  6.947     2.9 / 323  16.6  107  .04

          11 12  09 08.53  +17 55.9   6.990  6.951     2.8 / 325  16.6   94  .01

          12 12  09 08.41  +17 58.2   7.013  6.956     2.7 / 327  16.7   82  .00

          13 12  09 08.31  +18 00.4   7.035  6.960     2.6 / 329  16.7   70  .01

          14 12  09 08.22  +18 02.6   7.057  6.965     2.4 / 331  16.7   57  .04

          15 12  09 08.14  +18 04.7   7.080  6.969     2.3 / 333  16.7   44  .09

          16 12  09 08.06  +18 06.8   7.102  6.974     2.2 / 336  16.7   31  .16

          17 12  09 08.00  +18 08.8   7.124  6.978     2.1 / 339  16.7   17  .25

          18 12  09 07.94  +18 10.8   7.146  6.983     2.0 / 342  16.7    5  .35

          19 12  09 07.90  +18 12.7   7.168  6.987     1.9 / 345  16.7   11  .46

          20 12  09 07.86  +18 14.6   7.190  6.992     1.9 / 348  16.7   24  .58

          21 12  09 07.84  +18 16.4   7.212  6.996     1.8 / 352  16.7   39  .69

          22 12  09 07.82  +18 18.2   7.233  7.001     1.7 / 356  16.7   53  .79

          23 12  09 07.81  +18 19.9   7.255  7.005     1.7 / 360  16.8   68  .88

          24 12  09 07.81  +18 21.6   7.277  7.010     1.6 /   4  16.8   82  .95

          25 12  09 07.82  +18 23.2   7.298  7.014     1.6 /   9  16.8   97  .99

          26 12  09 07.84  +18 24.8   7.320  7.019     1.6 /  13  16.8  111 1.00

          27 12  09 07.86  +18 26.3   7.341  7.023     1.6 /  18  16.8  125  .99

          28 12  09 07.89  +18 27.8   7.362  7.028     1.6 /  22  16.8  139  .95

          29 12  09 07.94  +18 29.3   7.383  7.032     1.6 /  26  16.8  152  .89

          30 12  09 07.99  +18 30.7   7.404  7.037     1.6 /  31  16.8  165  .82

          31 12  09 08.04  +18 32.1   7.425  7.042     1.6 /  35  16.8  177  .73

     June  1 12  09 08.11  +18 33.4   7.445  7.046     1.7 /  39  16.8  170  .64

NAKANO

         **** Don't distribute anyone except personal use only ****

                (C) Copyright 2002 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2002-05-04 02:17:07(JST).

 

    C/2001 B2 (NEAT) 

Epoch 2000 Sept. 13.0 TT = JDT 2451800.5  

T 2000 Sept. 1.88130 TT                                 Nakano

q   5.3064551            (2000.0)            P               Q

z  -0.0005551      Peri.  304.75190     -0.87716109     -0.38946629

 +/-0.0000019      Node   145.08472     -0.07884314     +0.69383788

e   1.0029458      Incl.  150.60880     -0.47367940     +0.60572683

From 404 observations 2001 Jan. 24-2002 Apr. 12, mean residual 0".68.

   (1/a)org.= +0.000188, (1/a)fut.= +0.000307 (+/-0.000002), Q= 8.



NAKANO

         **** Don't distribute anyone except personal use only ****

                (C) Copyright 2002 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2002-04-26 05:07:08(JST).

 





    C/2001 B2 (NEAT) 

Epoch 2000 Sept. 13.0 TT = JDT 2451800.5  

T 2000 Sept. 1.88003 TT                                 Nakano

q   5.3064556            (2000.0)            P               Q

z  -0.0005587      Peri.  304.75170     -0.87715952     -0.38946984

 +/-0.0000022      Node   145.08475     -0.07884567     +0.69383724

e   1.0029647      Incl.  150.60877     -0.47368190     +0.60572530

From 378 observations 2001 Jan. 24-2002 Mar. 19, mean residual 0".68.



NAKANO

         **** Don't distribute anyone except personal use only ****

                (C) Copyright 2002 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2002-03-30 03:15:31(JST).

 



    C/2001 B2 (NEAT) 

T 2000 Sept. 1.59324 TT                                 Nakano

q   5.3050750            (2000.0)            P               Q

                   Peri.  304.74697     -0.87696819     -0.38992845

                   Node   145.10744     -0.07907940     +0.69359048

e   1.0            Incl.  150.59492     -0.47399709     +0.60571284

From 116 observations 2001 Jan. 24-Feb. 26.



NAKANO

         **** Don't distribute anyone except personal use only ****

                (C) Copyright 2001 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2001-03-04 02:02:19(JST).



◎C/2001 B2の軌道と予報位置です



 2000年に近日点を通った彗星ですが,3月のCCD全光度は16等級で観測

されています.



    C/2001 B2 (NEAT) 

Epoch 2000 Sept. 13.0 TT = JDT 2451800.5  

T 2000 Sept. 1.88003 TT                                 Nakano

q   5.3064556            (2000.0)            P               Q

z  -0.0005587      Peri.  304.75170     -0.87715952     -0.38946984

 +/-0.0000022      Node   145.08475     -0.07884567     +0.69383724

e   1.0029647      Incl.  150.60877     -0.47368190     +0.60572530

From 378 observations 2001 Jan. 24-2002 Mar. 19, mean residual 0".68.

 

Date/        TT  R.A.(2000) Decl.     Delta   r     Daily motion  Mag.  Moon Age

              h    h  m       。  ,                      ,  / PA 。  m1      。

2002 Mar. 20 12  09 30.16  +14 23.8   5.923  6.722    12.0 / 300  16.1   70  .34

          21 12  09 29.45  +14 29.8   5.939  6.727    11.8 / 300  16.1   57  .44

          22 12  09 28.75  +14 35.7   5.955  6.731    11.6 / 300  16.2   43  .54

          23 12  09 28.05  +14 41.5   5.972  6.735    11.4 / 300  16.2   30  .65

          24 12  09 27.37  +14 47.3   5.988  6.740    11.3 / 300  16.2   16  .75

          25 12  09 26.70  +14 53.0   6.005  6.744    11.1 / 300  16.2    4  .85

          26 12  09 26.04  +14 58.6   6.023  6.748    10.9 / 301  16.2   15  .92

          27 12  09 25.40  +15 04.1   6.040  6.753    10.7 / 301  16.2   30  .97

          28 12  09 24.76  +15 09.6   6.058  6.757    10.5 / 301  16.2   45 1.00

          29 12  09 24.13  +15 15.0   6.076  6.761    10.3 / 301  16.2   61  .99

          30 12  09 23.52  +15 20.3   6.094  6.766    10.1 / 301  16.2   76  .95

          31 12  09 22.92  +15 25.5   6.113  6.770    10.0 / 301  16.2   91  .89

     Apr.  1 12  09 22.33  +15 30.6   6.131  6.774     9.8 / 301  16.2  105  .81

           2 12  09 21.75  +15 35.7   6.150  6.779     9.6 / 301  16.3  119  .72

           3 12  09 21.19  +15 40.7   6.169  6.783     9.4 / 302  16.3  132  .62

           4 12  09 20.63  +15 45.6   6.189  6.787     9.2 / 302  16.3  145  .51

           5 12  09 20.09  +15 50.4   6.208  6.792     9.0 / 302  16.3  158  .42

           6 12  09 19.56  +15 55.1   6.228  6.796     8.8 / 302  16.3  170  .32

           7 12  09 19.04  +15 59.8   6.248  6.800     8.6 / 302  16.3  175  .24

           8 12  09 18.53  +16 04.4   6.268  6.805     8.4 / 302  16.3  165  .16

           9 12  09 18.04  +16 08.9   6.289  6.809     8.2 / 303  16.3  153  .10

          10 12  09 17.56  +16 13.4   6.309  6.814     8.0 / 303  16.3  141  .05

          11 12  09 17.09  +16 17.7   6.330  6.818     7.9 / 303  16.3  129  .02

          12 12  09 16.63  +16 22.0   6.350  6.822     7.7 / 303  16.4  118  .00

          13 12  09 16.19  +16 26.3   6.371  6.827     7.5 / 304  16.4  105  .01

          14 12  09 15.76  +16 30.4   6.392  6.831     7.3 / 304  16.4   93  .03

          15 12  09 15.33  +16 34.5   6.414  6.836     7.1 / 304  16.4   81  .07

          16 12  09 14.93  +16 38.4   6.435  6.840     6.9 / 305  16.4   68  .13

          17 12  09 14.53  +16 42.4   6.456  6.844     6.7 / 305  16.4   56  .20

          18 12  09 14.15  +16 46.2   6.478  6.849     6.5 / 305  16.4   43  .29

          19 12  09 13.78  +16 50.0   6.500  6.853     6.3 / 306  16.4   29  .39

          20 12  09 13.42  +16 53.7   6.521  6.858     6.2 / 306  16.4   16  .50

          21 12  09 13.07  +16 57.3   6.543  6.862     6.0 / 306  16.4    4  .61

          22 12  09 12.73  +17 00.8   6.565  6.866     5.8 / 307  16.5   13  .72

          23 12  09 12.41  +17 04.3   6.587  6.871     5.6 / 307  16.5   27  .82

          24 12  09 12.10  +17 07.7   6.609  6.875     5.4 / 308  16.5   42  .90

          25 12  09 11.80  +17 11.1   6.631  6.880     5.3 / 308  16.5   57  .96

          26 12  09 11.51  +17 14.4   6.654  6.884     5.1 / 309  16.5   72  .99

          27 12  09 11.23  +17 17.6   6.676  6.889     4.9 / 310  16.5   87 1.00

          28 12  09 10.97  +17 20.7   6.698  6.893     4.8 / 310  16.5  102  .97

          29 12  09 10.71  +17 23.8   6.721  6.898     4.6 / 311  16.5  116  .92

          30 12  09 10.47  +17 26.8   6.743  6.902     4.4 / 312  16.5  130  .85

     May   1 12  09 10.24  +17 29.8   6.765  6.906     4.3 / 313  16.5  143  .77

NAKANO

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write mail from CFAD0::NAKANO on 2002-03-22 05:15:53(JST).

 

    C/2001 B2 (NEAT) 

Epoch 2000 Sept. 13.0 TT = JDT 2451800.5  

T 2000 Sept. 1.87746 TT                                 Nakano

q   5.3064538            (2000.0)            P               Q

z  -0.0005630      Peri.  304.75131     -0.87715684     -0.38947584

 +/-0.0000032      Node   145.08475     -0.07885038     +0.69383669

e   1.0029875      Incl.  150.60877     -0.47368608     +0.60572206

From 311 observations 2001 Jan. 24-2002 Feb. 19, mean residual 0".68.



NAKANO

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                (C) Copyright 2002 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2002-02-25 23:29:25(JST).

 

    C/2001 B2 (NEAT)

Epoch 2000 Sept. 13.0 TT = JDT 2451800.5  

T 2000 Sept. 1.87889 TT                                 Nakano

q   5.3064571            (2000.0)            P               Q

z  -0.0005658      Peri.  304.75168     -0.87715707     -0.38947548

 +/-0.0000053      Node   145.08506     -0.07884795     +0.69383374

e   1.0030024      Incl.  150.60855     -0.47368604     +0.60572568

From 234 observations 2001 Jan. 24-2001 Dec. 20, mean residual 0".69.





NAKANO

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                (C) Copyright 2001 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2001-12-24 03:27:27(JST).

 



    C/2001 B2 (NEAT) 

Epoch 2000 Sept. 13.0 TT = JDT 2451800.5  

T 2000 Sept. 1.90090 TT                                 Nakano

q   5.3064871            (2000.0)            P               Q

z  -0.0005485      Peri.  304.75512     -0.87717634     -0.38943259

 +/-0.0000225      Node   145.08563     -0.07881041     +0.69383222

e   1.0029105      Incl.  150.60817     -0.47365661     +0.60575498

From 217 observations 2001 Jan. 24-2001 June 17, mean residual 0".66.





NAKANO

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                (C) Copyright 2001 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2001-07-31 23:54:42(JST).

 



    C/2001 B2 (NEAT) 

Epoch 2000 Sept. 13.0 TT = JDT 2451800.5  

T 2000 Sept. 1.88867 TT                                 Nakano

q   5.3064035            (2000.0)            P               Q

z  -0.0005068      Peri.  304.75543     -0.87717020     -0.38944749

 +/-0.0000278      Node   145.08678     -0.07881499     +0.69382011

e   1.0026891      Incl.  150.60742     -0.47366721     +0.60575928

From 212 observations 2001 Jan. 24-2001 June 11, mean residual 0".66.



NAKANO

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                (C) Copyright 2001 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2001-07-03 00:46:31(JST).

 



    C/2001 B2 (NEAT) 

Epoch 2000 Sept. 13.0 TT = JDT 2451800.5  

T 2000 Sept. 1.86727 TT                                 Nakano

q   5.3063105            (2000.0)            P               Q

z  -0.0004747      Peri.  304.75423     -0.87715571     -0.38948093

 +/-0.0000313      Node   145.08765     -0.07883588     +0.69380887

e   1.0025188      Incl.  150.60684     -0.47369058     +0.60575066

From 211 observations 2001 Jan. 24-May 25, mean residual 0".66.



NAKANO

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                (C) Copyright 2001 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2001-06-02 22:39:55(JST).

 





    C/2001 B2 (NEAT) 

T 2000 Sept. 1.34090 TT                                 Nakano

q   5.3047540            (2000.0)            P               Q

                   Peri.  304.71494     -0.87677383     -0.39036200

                   Node   145.10413     -0.07944274     +0.69358211

e   1.0            Incl.  150.59707     -0.47429579     +0.60544312

From 203 observations 2001 Jan. 24-Apr. 29.



NAKANO

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                (C) Copyright 2001 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2001-05-16 16:29:52(JST).

 



    C/2001 B2 (NEAT) 

T 2000 Sept. 1.11806 TT                                 Nakano

q   5.3042784            (2000.0)            P               Q

                   Peri.  304.69017     -0.87659158     -0.39077264

                   Node   145.10597     -0.07975570     +0.69352740

e   1.0            Incl.  150.59583     -0.47458006     +0.60524086

From 162 observations 2001 Jan. 24-Apr. 3.



NAKANO

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                (C) Copyright 2001 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2001-04-07 01:11:26(JST).

 



    C/2001 B2 (NEAT) 

T 2000 Sept. 2.81912 TT                                 Nakano

q   5.3071724            (2000.0)            P               Q

                   Peri.  304.88223     -0.87795147     -0.38769893

                   Node   145.09818     -0.07737121     +0.69387425

e   1.0            Incl.  150.60073     -0.47245626     +0.60681799

From 88 observations 2001 Jan. 24-Feb. 17.

 

Date/        TT  R.A.(2000) Decl.     Delta   r     Daily motion  Mag.  Moon Age

              h    h  m       。  ,                      ,  / PA 。  m1      。

2001 Feb. 20 18  11 38.03  -19 22.3   4.628  5.458    18.2 / 297  15.2  118  .06

          21 18  11 36.89  -19 14.0   4.620  5.459    18.4 / 297  15.2  129  .02

          22 18  11 35.74  -19 05.5   4.613  5.461    18.6 / 298  15.2  139  .00

          23 18  11 34.58  -18 56.8   4.606  5.463    18.7 / 298  15.2  147  .00

          24 18  11 33.41  -18 48.0   4.599  5.465    18.9 / 298  15.2  154  .02

          25 18  11 32.25  -18 39.0   4.593  5.467    19.0 / 299  15.2  155  .06

          26 18  11 31.07  -18 29.9   4.587  5.468    19.2 / 299  15.2  151  .11

          27 18  11 29.89  -18 20.6   4.582  5.470    19.3 / 299  15.2  143  .18

          28 18  11 28.71  -18 11.2   4.577  5.472    19.4 / 299  15.2  133  .26

     Mar.  1 18  11 27.52  -18 01.6   4.572  5.474    19.5 / 300  15.2  121  .36

           2 18  11 26.34  -17 51.9   4.568  5.476    19.6 / 300  15.2  109  .46

           3 18  11 25.15  -17 42.0   4.564  5.477    19.7 / 300  15.2   97  .57

           4 18  11 23.96  -17 32.0   4.560  5.479    19.8 / 301  15.2   84  .68

           5 18  11 22.76  -17 21.9   4.557  5.481    19.9 / 301  15.2   70  .78

           6 18  11 21.57  -17 11.7   4.555  5.483    20.0 / 301  15.2   57  .87

           7 18  11 20.38  -17 01.3   4.553  5.485    20.1 / 301  15.2   44  .94

           8 18  11 19.19  -16 50.8   4.551  5.487    20.1 / 302  15.2   33  .98

           9 18  11 18.00  -16 40.2   4.550  5.488    20.2 / 302  15.2   25 1.00

          10 18  11 16.81  -16 29.5   4.549  5.490    20.2 / 302  15.2   25  .98

          11 18  11 15.62  -16 18.7   4.548  5.492    20.2 / 303  15.2   33  .94

          12 18  11 14.44  -16 07.7   4.548  5.494    20.3 / 303  15.2   44  .88

          13 18  11 13.26  -15 56.7   4.549  5.496    20.3 / 303  15.2   55  .80

          14 18  11 12.08  -15 45.6   4.549  5.498    20.3 / 303  15.2   67  .71

          15 18  11 10.91  -15 34.4   4.551  5.500    20.3 / 304  15.2   79  .61

          16 18  11 09.74  -15 23.1   4.552  5.502    20.3 / 304  15.2   91  .51

          17 18  11 08.58  -15 11.8   4.554  5.504    20.3 / 304  15.2  102  .42

          18 18  11 07.42  -15 00.3   4.557  5.506    20.2 / 305  15.2  113  .32

          19 18  11 06.27  -14 48.8   4.560  5.508    20.2 / 305  15.2  124  .24

          20 18  11 05.13  -14 37.3   4.563  5.510    20.2 / 305  15.2  134  .16

          21 18  11 04.00  -14 25.6   4.567  5.512    20.1 / 305  15.2  144  .10

          22 18  11 02.87  -14 14.0   4.571  5.514    20.1 / 306  15.2  152  .05

          23 18  11 01.75  -14 02.2   4.576  5.516    20.0 / 306  15.2  156  .02

          24 18  11 00.64  -13 50.5   4.581  5.518    19.9 / 306  15.2  155  .00

          25 18  10 59.54  -13 38.7   4.587  5.520    19.8 / 307  15.2  148  .01

          26 18  10 58.45  -13 26.8   4.593  5.522    19.7 / 307  15.2  139  .03

          27 18  10 57.37  -13 15.0   4.599  5.524    19.6 / 307  15.2  128  .08

          28 18  10 56.30  -13 03.1   4.606  5.526    19.5 / 307  15.2  116  .14

          29 18  10 55.24  -12 51.2   4.613  5.528    19.4 / 308  15.2  104  .22

          30 18  10 54.20  -12 39.3   4.620  5.530    19.3 / 308  15.3   91  .32

          31 18  10 53.16  -12 27.4   4.628  5.532    19.1 / 308  15.3   78  .42

     Apr.  1 18  10 52.14  -12 15.6   4.637  5.534    19.0 / 309  15.3   65  .53



    C/2001 B2 (NEAT) 

T 2000 Sept. 20.17171 TT                                Nakano

q   5.3321334            (2000.0)            P               Q

                   Peri.  306.85823     -0.89102640     -0.35657589

                   Node   145.06227     -0.05310587     +0.69649845

e   1.0            Incl.  150.62258     -0.45083448     +0.62269057

From 69 observations 2001 Jan. 24-Feb. 2.



NAKANO

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                (C) Copyright 2001 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2001-02-06 01:56:22(JST).

 

◎C/2001 B2の軌道と予報位置です

 関東地方の大雪がおさまった翌朝の28日に上尾の門田健一氏は,この彗星の

観測に成功しました.氏によると,コマ視直径 25"で,中央集光がある拡散状

とのことです.

 なお,この彗星の軌道は,q= 1.7 AUとq= 0.5AUふきんに下と同程度の残差を

示す多重解が存在します.



    C/2001 B2 (NEAT) 

T 2000 Dec. 12.23590 TT                                 Nakano

q   5.3919901            (2000.0)            P               Q

                   Peri.  316.19529     -0.93716872     -0.20668358

                   Node   145.02725     +0.06100650     +0.69612587

e   1.0            Incl.  150.63626     -0.34350108     +0.68752503

From 43 observations 2001 Jan. 24-27.

 

Date/        TT  R.A.(2000) Decl.     Delta   r     Daily motion  Mag.  Moon Age

              h    h  m       。  ,                      ,  / PA 。  m1      。

2001 Jan. 25 18  12 04.01  -22 01.2   4.923  5.402    12.2 / 290  14.8  125  .01

          26 18  12 03.18  -21 57.1   4.907  5.403    12.5 / 290  14.8  135  .04

          27 18  12 02.33  -21 52.9   4.892  5.403    12.8 / 290  14.8  144  .09

          28 18  12 01.47  -21 48.5   4.876  5.403    13.0 / 290  14.8  151  .15

          29 18  12 00.60  -21 43.9   4.861  5.404    13.3 / 291  14.8  155  .23

          30 18  11 59.71  -21 39.2   4.845  5.404    13.6 / 291  14.8  153  .32

          31 18  11 58.80  -21 34.3   4.830  5.405    13.8 / 291  14.7  146  .41

     Feb.  1 18  11 57.88  -21 29.3   4.815  5.405    14.1 / 292  14.7  137  .52

           2 18  11 56.94  -21 24.1   4.801  5.406    14.3 / 292  14.7  125  .62

           3 18  11 55.99  -21 18.7   4.787  5.407    14.6 / 292  14.7  113  .73

           4 18  11 55.03  -21 13.2   4.773  5.407    14.8 / 293  14.7  100  .82

           5 18  11 54.05  -21 07.5   4.759  5.408    15.1 / 293  14.7   86  .90

           6 18  11 53.05  -21 01.6   4.745  5.408    15.3 / 293  14.7   73  .96

           7 18  11 52.05  -20 55.5   4.732  5.409    15.6 / 293  14.7   59  .99

           8 18  11 51.03  -20 49.3   4.719  5.409    15.8 / 294  14.7   46 1.00

           9 18  11 50.00  -20 43.0   4.706  5.410    16.1 / 294  14.7   34  .97

          10 18  11 48.95  -20 36.4   4.694  5.411    16.3 / 294  14.7   27  .91

          11 18  11 47.89  -20 29.7   4.682  5.411    16.5 / 295  14.7   26  .83

          12 18  11 46.82  -20 22.8   4.670  5.412    16.8 / 295  14.7   32  .74

          13 18  11 45.74  -20 15.7   4.658  5.412    17.0 / 295  14.7   41  .64

          14 18  11 44.65  -20 08.5   4.647  5.413    17.2 / 295  14.7   52  .54

          15 18  11 43.55  -20 01.0   4.636  5.414    17.4 / 296  14.7   63  .44

          16 18  11 42.43  -19 53.5   4.626  5.414    17.6 / 296  14.7   74  .34

          17 18  11 41.31  -19 45.7   4.615  5.415    17.9 / 296  14.7   85  .25

          18 18  11 40.18  -19 37.8   4.606  5.416    18.1 / 297  14.7   97  .18

          19 18  11 39.04  -19 29.7   4.596  5.416    18.3 / 297  14.6  108  .11

          20 18  11 37.89  -19 21.4   4.587  5.417    18.4 / 297  14.6  118  .06

          21 18  11 36.73  -19 12.9   4.578  5.418    18.6 / 297  14.6  129  .02

          22 18  11 35.56  -19 04.3   4.570  5.419    18.8 / 298  14.6  139  .00

          23 18  11 34.39  -18 55.6   4.562  5.419    19.0 / 298  14.6  147  .00

          24 18  11 33.21  -18 46.6   4.554  5.420    19.1 / 298  14.6  154  .02

          25 18  11 32.03  -18 37.5   4.547  5.421    19.3 / 299  14.6  155  .06

          26 18  11 30.83  -18 28.2   4.540  5.422    19.4 / 299  14.6  151  .11

          27 18  11 29.64  -18 18.8   4.533  5.422    19.6 / 299  14.6  143  .18

          28 18  11 28.44  -18 09.3   4.527  5.423    19.7 / 299  14.6  133  .26

     Mar.  1 18  11 27.24  -17 59.5   4.522  5.424    19.8 / 300  14.6  121  .36

NAKANO

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                (C) Copyright 2001 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2001-01-28 05:47:58(JST).

 

戻ります。