C/1999 E1 (Li) 

Epoch 1999 Jan. 22.0 TT = JDT 2451200.5  

T 1999 Jan. 31.70571 TT                                 Nakano

q   3.9199608            (2000.0)            P               Q

n   0.01495260     Peri.  329.75830     -0.25802292     -0.77524388

a  16.3176734      Node   127.83277     +0.96596987     -0.21816436

e   0.7597721      Incl.   46.88666     +0.01806624     +0.59279105

P  65.92

From 287 observations 1999 Jan. 22-2001 Mar. 28, mean residual 0".65.

Residuals in seconds of arc 

1999/                     990403 402  0.2-  0.7-    000128 900  0.3+  0.5+  

990122 704  1.4+  0.7-    990403 402  1.6+  1.3-    000128 349  0.7+  0.9+  

990122 704  1.3-  1.1+    990403 402  0.6+  1.6-    000128 349  0.2-  1.0+  

990122 704 (0.4-  2.0-)   990404 118  0.4+  0.7-    000128 900  0.3+  0.6+  

990122 704 (0.7-  3.2-)   990404 118  0.3-  0.4-    000128 349  0.7+  0.4-  

990313 662  0.1-  0.9+    990404 118  0.3+  0.3-    000129 704  0.4+  0.3-  

990316 662  0.0   0.4+    990405 372  0.4-  0.9+    000129 704  0.5+  0.8+  

990316 662  0.4-  0.2+    990405 860 (2.3-  0.7+)   000129 704  0.8+  0.5+  

990316 662  0.1+  0.2+    990405 860  1.4-  0.7+    000129 704  0.7+  1.1+  

990317 859  0.1-  1.5-    990406 402  0.9+  0.6+    000129 704  0.3+  1.3+  

990317 859  0.1+  0.7-    990406 402  0.4-  0.1+    000204 355  0.5-  0.1+  

990317 859  0.6-  0.0     990406 402  0.9-  0.9-    000204 355  0.5-  0.1-  

990317 859  0.3-  0.0     990407 360  0.3-  1.0+    000204 355  0.0   0.0   

990317 758  0.0   0.3+    990407 360  0.7-  1.0+    000205 170  0.7+  0.3-  

990317 859  0.4-  0.3+    990407 360  0.6-  0.4+    000205 170 (0.2+  3.0-) 

990317 758  0.1+  0.6+    990407 897  1.2+  0.4-    000208 294  1.1-  1.3-  

990317 758  0.0   0.4+    990407 897  1.9+  1.1-    000208 294  0.9-  0.0   

990317 758 (0.6-  2.2+)   990408 372  1.1-  1.9+    000209 294  0.6+  0.4+  

990317 758  1.3-  0.2-    990408 372  1.9-  1.8+    000209 294 (4.1-  0.7+) 

990317 422  0.4+  0.0     990408 402  0.5-  0.1-    000209 294 (0.8-  4.0-) 

990317 422  0.5+  0.5+    990408 402  0.4-  0.1+    000209 294 (5.9-  4.2+) 

990317 422  0.6+  0.1+    990408 402  0.3-  0.2+    000210 355  0.4-  0.4-  

990317 372  0.2-  1.4+    990408 118  0.4-  0.3-    000210 355  0.2-  0.1+  

990317 372  1.1-  0.5-    990408 118  0.6-  0.0     000210 355  0.6-  0.0   

990317 367  0.1+  1.9+    990412 428  0.6-  0.0     000215 355  0.7+  0.2-  

990317 372  0.2+  0.7+    990412 428  0.4-  0.3-    000215 355  0.0   0.3+  

990317 367  0.1+  0.2+    990414 360  0.4-  0.3+    000215 355  0.5+  0.1-  

990317 402  0.1-  0.3+    990414 360  0.6-  0.8+    000227 704  0.7+  0.2-  

990317 402  0.1-  0.5-    990414 118  0.6-  0.5+    000227 704  0.8+  0.2+  

990317 402  0.4+  0.8-    990414 118  0.6-  0.0     000227 704  0.5+  1.2+  

990317 367  0.5-  0.7-    990414 118  0.8-  0.3+    000227 704  1.1+  1.4+  

990317 402  0.1+  0.7+    990416 693  0.4-  0.8+    000227 704  0.3-  1.2+  

990317 118  0.1-  0.4-    990416 693  1.4-  0.4+    000301 900  0.5-  0.5+  

990317 104 (2.1+  1.7-)   990416 693  0.2-  0.8+    000301 900  0.6-  0.9+  

990317 118  0.2+  0.3-    990418 113  0.3+  0.6+    000302 360  0.5+  0.5+  

990317 104  1.3+  0.8-    990418 113  1.2+  0.8+    000302 360  0.6+  0.5+  

990317 118  0.1-  0.0     990428 118  0.2-  0.9-    000306 143  0.6-  1.5-  

990317 104  0.5+  0.1+    990428 118  0.8-  0.8-    000306 143  0.6-  1.5-  

990317 104  0.0   1.0+    990428 118  1.1-  1.2-    000306 143  0.7-  1.3-  

990317 104  0.2+  0.0     990429 118  0.1-  0.7-    000306 143  1.4-  1.1-  

990317 046  0.5-  0.3+    990429 118  0.1+  0.5-    000306 143  1.2-  1.5-  

990317 046  0.2-  0.2-    990430 402  0.7+  0.7-    000306 143  1.3-  1.3-  

990317 046  0.1-  0.6-    990430 402  0.1+  0.1-    000307 049  0.3+  0.7-  

990317 046  0.0   0.3-    990430 402  0.0   0.4-    000307 049  0.4+  0.8-  

990318 428  0.4+  0.3+    990430 118  0.6+  0.0     000307 049  0.5+  0.8-  

990318 428  1.2+  0.4+    990430 118  0.5+  0.2-    000308 349  0.1+  0.5+  

990318 118  0.6+  0.1-    990506 402  0.2-  0.3-    000308 349  0.1+  0.1+  

990318 118  0.1-  0.1+    990506 402  0.1-  0.4-    000308 349  0.8-  0.8+  

990318 118  0.2+  0.2-    990506 402  0.0   0.4+    000311 703  0.6-  1.5-  

990318 046  0.2-  0.3+    990506 360  0.3-  0.1-    000311 703  1.2-  0.9-  

990318 046  0.1-  0.1+    990506 360  0.2-  0.4-    000311 703  0.8-  1.2-  

990318 046  0.0   0.0     990506 360  0.2-  0.4-    000311 703  0.9-  1.4-  

990318 557  0.1-  0.1+    990520 360  0.5-  0.3-    000311 049  0.9+  0.3-  

990318 557  0.0   0.1+    990520 360  0.8-  0.2-    000311 049  0.6+  0.3-  

990318 113  0.3+  0.5-    990520 360  1.1-  0.6-    000311 049  0.9+  0.8-  

990318 113  0.7+  0.3-    991022 385  0.6-  0.5-    000313 360  0.3+  0.3+  

990318 107  0.3-  0.2-    991022 385  0.2-  0.4-    000313 360  0.3+  0.3+  

990318 107  0.0   0.4-    991022 385  0.9-  0.3+    000314 355  0.5+  0.4-  

990319 046  0.4-  0.4-    991022 385  1.2-  0.6-    000314 355  0.7+  0.1+  

990319 046  0.3+  0.4+    991109 402  0.7+  0.0     000314 355  0.5+  0.7-  

990319 046  0.3-  0.0     991109 402  0.4+  0.2+    000325 355  0.1+  1.0-  

990319 046  0.1-  0.3-    991109 402  0.7+  0.2-    000325 355  0.7-  0.8-  

990319 620  1.1+  0.7+    991116 703  1.8-  0.4-    000325 355  0.2-  0.4-  

990319 620  0.5+  0.4-    991116 703  0.5+  0.5+    000327 900  0.5-  1.9-  

990319 620  0.0   0.5-    991116 703  0.4-  0.3-    000327 900  0.3-  0.6-  

990320 958  0.6+  1.1-    991116 703  1.4-  0.2-    000330 360  0.3-  0.1-  

990320 958  0.1+  0.7-    991116 360  0.6+  0.4+    000330 360  0.2+  0.0   

990320 958  0.2-  1.0-    991116 360  0.7+  0.4+    000331 170  0.9-  1.5-  

990320 958  0.1+  0.1-    991203 897  0.1-  0.3+    000401 903  0.8-  1.4-  

990320 860  0.6+  0.3+    991203 897 (2.4-  0.5-)   000401 903 (1.8-  2.0-) 

990320 860  0.7+  0.1-    991207 360  0.8+  0.3+    000405 170  1.6-  0.7-  

990320 860  0.6+  0.0     991207 360  0.7+  0.3+    000406 900  0.8+  0.3+  

990320 860  0.2+  0.7-    991209 349  0.8+  1.2+    000406 900  0.9+  0.3-  

990321 859  0.3-  0.2-    991209 349  0.3-  1.0-    000406 170 (2.9-  3.0-) 

990321 859  0.3+  0.8+    991212 355  0.1-  0.2+    000423 170 (0.9-  2.2-) 

990321 859  0.2+  0.6+    991212 355  0.4+  0.6+    000424 355  0.0   0.4+  

990322 859  0.6+  0.9-    991212 355  0.3+  0.4-    000424 355  0.5+  0.1-  

990322 859  0.4+  0.2-    991215 704  0.6+  0.3+    000424 355  0.1-  0.4-  

990322 859  0.4+  0.6-    991215 704  1.3+  0.6-    000424 867  0.0   0.3+  

990322 897  0.2+  0.1+    991215 704  0.5+  0.7+    000424 867  0.1-  0.2+  

990322 360  0.2-  0.1-    991222 118  0.6+  0.9+    000428 360  0.3+  0.1-  

990322 360  0.1+  0.1-    991229 402  0.3+  0.3+    000428 360  0.2+  0.0   

990322 360  0.2+  0.1+    991229 402  0.4-  0.7+    000514 046  0.2+  0.1+  

990322 897  0.5+  0.7-    991229 402  0.2+  0.9+    000514 046  0.0   0.3+  

990322 897  0.1+  0.4+    991230 900  0.0   0.4+    000514 046  0.0   0.4+  

990322 372  0.8-  0.4+    991230 900  0.7-  0.6+    000526 152  0.3-  1.0-  

990322 118  0.4+  0.0     2000/                     000526 152 (2.3-  0.6-) 

990322 118  0.7+  0.1+    000103 704  0.1+  0.8-    000529 360  0.4-  0.4+  

990322 118  0.4+  0.1+    000103 704  0.4+  0.1-    000529 360  0.0   0.7+  

990322 844  0.2+  0.5+    000103 704  0.3+  0.3+    000601 152  1.5+  1.5-  

990323 844  0.5-  0.5+    000103 704  0.2+  0.2+    2001/                   

990323 844  0.6-  1.4+    000103 900  0.2+  0.4+    010130 867  0.1+  0.5+  

990326 046  0.2+  0.0     000103 900  0.0   0.3+    010130 867  0.3+  0.3+  

990326 046  0.1-  0.1+    000104 360  0.8+  0.3+    010130 867  0.6+  0.5+  

990326 046  0.4+  0.3+    000104 360  0.6+  0.4+    010218 867  0.4+  0.4+  

990326 046  0.1-  0.6+    000104 355  0.9+  0.5-    010218 867  1.4+  0.7+  

990327 402  0.1-  0.3-    000104 355  0.7+  0.1-    010218 867  1.2+  0.1+  

990327 402  0.4+  0.6-    000104 355  0.7+  0.1+    010328 699 (2.3-  0.3+) 

990327 402  0.2+  0.9-    000107 352  1.4-  1.2+    010328 699  0.9-  0.1-  

990331 402  0.1-  0.4-    000107 352  0.9-  1.6+    010328 699  1.3-  1.2+  

990331 402  0.2-  0.2-    000118 900  0.2-  0.3+    010328 699  0.6-  1.0+  

990331 402  0.1-  0.3-    000118 900  0.4-  0.9+    



NAKANO

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

                (C) Copyright 2001 OAA/ComputingSection

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

 



    C/1999 E1 (Li) 

Epoch 1999 Jan. 22.0 TT = JDT 2451200.5  

T 1999 Jan. 31.70689 TT                                 Nakano

q   3.9199661            (2000.0)            P               Q

n   0.01495175     Peri.  329.75849     -0.25802521     -0.77524305

a  16.3182885      Node   127.83275     +0.96596922     -0.21816737

e   0.7597808      Incl.   46.88666     +0.01806828     +0.59279103

P  65.92

From 270 observations 1999 Jan. 22-2000 May 29, mean residual 0".62.



NAKANO

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

                (C) Copyright 2000 OAA/ComputingSection

write mail from CFAD0::NAKANO on 2000-06-20 02:12:09(JST).

 



    C/1999 E1 (Li) 

T 1999 Feb. 1.89709 TT                                  Nakano

q   3.9242682            (2000.0)            P               Q

n   0.01436378     Peri.  329.95814     -0.26050274     -0.77424938

a  16.7606271      Node   127.81553     +0.96526385     -0.22129923

e   0.7658639      Incl.   46.89585     +0.02010033     +0.59292879

P  68.62

From 90 observations 1999 Mar. 13-27.



◎C/1999 E1の軌道と予報位置です



 軌道は,3月13日の1個の観測に頼るところが大きいですが,彗星は

周期が77年ほどのハレ−型の短周期彗星でしょう.



    C/1999 E1 (Li) 

T 1999 Feb. 8.71781 TT                                  Nakano

q   3.9367622            (2000.0)            P               Q

n   0.01279093     Peri.  331.09252     -0.27535435     -0.76898335

a  18.1078955      Node   127.79003     +0.96081266     -0.24006349

e   0.7825942      Incl.   46.89020     +0.03192191     +0.59248133

P  77.06

From 77 observations 1999 Mar. 13-23.

 

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

              h    h  m       。  ,                      ,  / PA 。  m1      。

1999 Mar. 25 12  06 29.62  +07 02.4   3.770  3.952    13.1 /  34  15.3   17  .62

          26 12  06 30.12  +07 13.2   3.785  3.952    13.1 /  35  15.4   27  .72

          27 12  06 30.63  +07 23.9   3.800  3.953    13.2 /  36  15.4   39  .81

          28 12  06 31.16  +07 34.5   3.815  3.954    13.2 /  37  15.4   52  .88

          29 12  06 31.70  +07 45.0   3.830  3.954    13.3 /  38  15.4   64  .94

          30 12  06 32.26  +07 55.4   3.845  3.955    13.3 /  39  15.4   76  .98

          31 12  06 32.82  +08 05.7   3.860  3.956    13.4 /  40  15.4   88 1.00

     Apr.  1 12  06 33.40  +08 16.0   3.876  3.957    13.4 /  41  15.4  100 1.00

           2 12  06 34.00  +08 26.1   3.891  3.957    13.5 /  42  15.4  111  .98

           3 12  06 34.61  +08 36.1   3.906  3.958    13.5 /  43  15.4  123  .94

           4 12  06 35.23  +08 46.0   3.921  3.959    13.6 /  44  15.4  134  .89

           5 12  06 35.86  +08 55.8   3.937  3.960    13.6 /  45  15.5  146  .82

           6 12  06 36.50  +09 05.5   3.952  3.961    13.7 /  45  15.5  156  .74

           7 12  06 37.16  +09 15.1   3.967  3.962    13.7 /  46  15.5  166  .65

           8 12  06 37.83  +09 24.5   3.982  3.962    13.8 /  47  15.5  169  .56

           9 12  06 38.51  +09 33.9   3.998  3.963    13.8 /  48  15.5  162  .46

          10 12  06 39.21  +09 43.2   4.013  3.964    13.9 /  49  15.5  151  .36

          11 12  06 39.91  +09 52.4   4.028  3.965    14.0 /  49  15.5  139  .27

          12 12  06 40.63  +10 01.5   4.044  3.966    14.0 /  50  15.5  126  .18

          13 12  06 41.36  +10 10.5   4.059  3.967    14.1 /  51  15.5  113  .10

          14 12  06 42.10  +10 19.3   4.074  3.968    14.1 /  52  15.5   99  .04

          15 12  06 42.85  +10 28.1   4.090  3.969    14.2 /  52  15.5   84  .01

          16 12  06 43.61  +10 36.8   4.105  3.970    14.3 /  53  15.6   70  .00

          17 12  06 44.38  +10 45.3   4.120  3.971    14.3 /  54  15.6   55  .03

          18 12  06 45.17  +10 53.8   4.135  3.972    14.4 /  54  15.6   41  .08

          19 12  06 45.96  +11 02.2   4.150  3.973    14.4 /  55  15.6   27  .16

          20 12  06 46.77  +11 10.4   4.165  3.974    14.5 /  56  15.6   14  .25

          21 12  06 47.58  +11 18.6   4.181  3.975    14.6 /  56  15.6    9  .36

          22 12  06 48.41  +11 26.6   4.196  3.976    14.6 /  57  15.6   19  .47

          23 12  06 49.24  +11 34.6   4.211  3.977    14.7 /  58  15.6   31  .58

          24 12  06 50.09  +11 42.5   4.226  3.978    14.7 /  58  15.6   43  .68

          25 12  06 50.94  +11 50.2   4.241  3.979    14.8 /  59  15.6   56  .77

NAKANO

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

                (C) Copyright 1999 OAA/ComputingSection

write mail from CFAD0::NAKANO on 1999-03-26 03:12:48(JST).



C/1999 E1の軌道と予報位置です

 夜半になって,すばらしい快晴となりました.八束の安部裕史氏,ダイニック

の杉江淳氏から,追跡観測の報告がありました.両氏の CCD全光度は,15等級と

のことです.



    C/1999 E1 

T 1999 Mar. 20.06340 TT                                 Nakano

q   4.0655946            (2000.0)            P               Q

                   Peri.  337.84373     -0.35515577     -0.72721139

                   Node   127.09848     +0.92941798     -0.34206638

e   1.0            Incl.   47.42970     +0.10023268     +0.59510855

From 15 observations 1999 Mar. 13-17.

 

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

                (C) Copyright 1999 OAA/ComputingSection

write mail from CFAD0::NAKANO on 1999-03-18 02:28:53(JST).





戻ります。