54P/de Vico-Swift-NEAT
Epoch 2009 Nov. 25.0 TT = JDT 2455160.5  
T 2009 Nov. 28.49747 TT                                 Nakano
q   2.1719934            (2000.0)            P               Q
n   0.13365594     Peri.    1.90872     +0.99990791     -0.01340508
a   3.7885865      Node   358.85293     +0.01062425     +0.87023614
e   0.4267009      Incl.    6.06835     +0.00844394     +0.49245239
P   7.37
From 75 observations 1965-2009, mean residual 0".67.
   Nongravitational parameters A1 = +0.75 +/- 0.14, A2 = +0.0695 +/- 0.0014.
   The delta-T correction for NK 962 is +0.084 day.  The comet has passed 0.16
   AU on 1968 Oct. 16 and will pass 0.20 AU on 2028 Aug. 26 UT from Jupiter.
Residuals in seconds of arc 
1965/                     021012 658  0.3+  0.4+    021107 735  0.6-  0.6+  
650804 689  1.5+  0.1+    021012 926  0.0   0.1-    021107 735  1.7+  0.2-  
650804 693  0.8-  0.3-    021012 926  0.5-  0.6-    021107 735  1.5+  1.2+  
650804 689  0.2+  0.2+    021012 J95 (2.0+  0.2-)   021112 704  0.4-  1.0+  
650806 689  0.4+  0.6-    021012 J95  0.1+  0.1+    021112 704  0.0   1.1-  
650806 689  0.4-  0.6-    021012 J95  0.4+  0.7-    021112 704 (2.0+  0.8+) 
650825 689  0.9-  0.1+    021013 170  1.0-  1.4-    021112 704  0.4-  1.0-  
650825 689  1.2-  0.3+    021013 170  1.6-  0.6-    021226 H43 (2.9+  0.2-) 
650902 689  0.4+  0.2-    021013 349  1.1+  0.5-    021227 H43 (6.4+  2.9+) 
650902 689  0.3+  0.2-    021013 349  0.6+  0.2-    021227 H43 (6.1-  1.3+) 
650925 689  1.0+  0.1-    021013 372  0.8-  0.6+    021227 360  0.2+  0.6+  
650925 689  1.1+  0.2-    021013 349 (2.2-  0.3+)   021227 360 (1.4+  2.9+) 
651015 689  0.6-  0.2+    021013 372  1.1+  0.0     021227 360  0.1+  1.8+  
651015 689  0.5-  0.2+    021014 360  0.8+  0.3-    021228 H43  1.2-  1.4-  
2002/                     021014 360  0.5+  0.2+    021228 H43 (3.9-  4.6+) 
021004 704  0.9+  0.4+    021014 360  0.3-  0.4-    2003/                   
021004 704  0.4-  0.4+    021015 372  0.4-  1.4+    030103 H43 (2.6-  2.7+) 
021004 704  0.6+  0.0     021025 213 (1.5-  3.8+)   030103 H43 (3.9-  0.9+) 
021009 704 (2.6-  1.2+)   021025 213 (1.7+  2.2-)   030124 A03 (4.4-  2.4+) 
021009 704 (1.4-  2.5+)   021025 213  0.6-  1.3-    030124 A03 (9.1-  2.4-) 
021009 704  0.6+  0.2-    021027 170  0.5+  0.4-    030205 H43 (4.3-  1.4-) 
021009 704  0.0   1.2+    021027 170 (1.6-  2.3-)   030205 H43 (5.9+  3.3+) 
021011 644  0.5-  0.1-    021027 170 (4.0-  5.1-)   2009/                   
021011 644  0.7-  0.3-    021031 735  0.3-  0.3+    090815 415  1.7+  0.0   
021011 644  0.4-  0.2+    021031 735  0.2+  0.2-    090815 415  0.8-  0.2-  
021012 620  0.2-  0.3+    021031 735  0.4+  0.1-    090815 415  0.5+  0.9+  
021012 620  0.7-  0.9-    021104 349  0.3+  0.8-    090815 A77  0.2+  0.3-  
021012 620  0.2+  0.5+    021104 349  0.8+  0.3-    090815 A77  0.2+  0.5+  
021012 620  0.1-  0.8-    021104 349  1.0-  0.2+    090815 A77  0.1-  0.5+  
021012 673  0.8-  0.6+    021104 349  0.1-  0.8-    090817 415  1.2-  1.0-  
021012 673  0.5-  0.6+    021105 360  0.6+  0.1-    090817 415  0.2-  0.4-  
021012 673  0.6-  0.8+    021105 360  0.4+  0.4-    090817 415  0.1-  0.0   
021012 658  0.6+  0.5+    021105 213  0.5-  0.7+                            
021012 658  0.0   0.5+    021105 213 (1.6-  3.4-)                           

NAKANO
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write mail from CFAD0::NAKANO on 2009-09-05 06:52:50(JST).
 
  54P/de Vico-Swift-NEAT

Epoch 2009 Nov. 25.0 TT = JDT 2455160.5  

T 2009 Nov. 28.43259 TT                                 Nakano

q   2.1720443            (2000.0)            P               Q

n   0.13366006     Peri.    1.91342     +0.99990677     -0.01348968

a   3.7885087      Node   358.85309     +0.01069801     +0.87023491

e   0.4266756      Incl.    6.06839     +0.00848538     +0.49245227

P   7.37

From 72 observations 1894-2002, mean residual 0".95.

   Nongravitational parameters A1 = +0.51 +/- 0.01, A2 = -0.0368 +/- 0.0006.


NAKANO

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write mail from CFAD0::NAKANO on 2003-10-19 02:58:01(JST).

 



  54P/de Vico-Swift-NEAT

Epoch 2002 July 25.0 TT = JDT 2452480.5  

T 2002 July 30.93765 TT                                 Nakano

q   2.1449606            (2000.0)            P               Q

n   0.13477071     Peri.    2.05279     +0.99983837     -0.01787634

a   3.7676657      Node   358.96568     +0.01461242     +0.87003258

e   0.4306924      Incl.    6.08506     +0.01047389     +0.49267002

P   7.31 (+/- 0.01 day)

From 48 observations 1894-2002, mean residual 1".02.

   Nongravitational parameters A1 = +0.49 +/- 0.03, A2 = -0.0361 +/- 0.0013.

NAKANO

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write mail from CFAD0::NAKANO on 2002-10-29 00:21:33(JST).

 

◎54P/de Vico-Swiftの軌道と予報位置です



 高知の村岡健治氏によって,54P = C/2002 T4の同定が指摘されました.実は,

9月中旬に,中央局にこの彗星が今衝位置にいる.発見される特異小惑星に充分

注意するように言ったばかりです.それにしても,あいつらは,計算される軌道

要素すら見てないで,IAUCとMPECに載せていることは確かです.・・・馬鹿です.

なお,観測されている CCD全光度は,予報値より3等級ほど暗いものです.



  54P/de Vico-Swift

Epoch 2002 July 25.0 TT = JDT 2452480.5  

T 2002 July 30.93745 TT                                 Nakano

q   2.1449612            (2000.0)            P               Q

n   0.13477071     Peri.    2.05277     +0.99983839     -0.01787526

a   3.7676657      Node   358.96564     +0.01461144     +0.87003254

e   0.4306923      Incl.    6.08507     +0.01047343     +0.49267012

P   7.31 (+/- 0.01 day)

From 45 observations 1894-2002, mean residual 1".05.

   Nongravitational parameters A1 = +0.50 +/- 0.03, A2 = -0.0361 +/- 0.0013.

 

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

              h    h  m       。  ,                      ,  / PA 。  m1      。

2002 Oct. 15 14  02 01.35  +18 10.2   1.242  2.224    10.9 / 270  15.7   76  .73

          16 14  02 00.58  +18 10.2   1.242  2.226    11.0 / 269  15.7   64  .81

          17 14  01 59.81  +18 10.1   1.243  2.228    11.1 / 269  15.7   52  .88

          18 14  01 59.04  +18 09.8   1.243  2.230    11.1 / 268  15.7   40  .93

          19 14  01 58.26  +18 09.5   1.244  2.232    11.2 / 267  15.7   28  .97

          20 14  01 57.47  +18 09.0   1.245  2.234    11.2 / 267  15.7   17  .99

          21 14  01 56.69  +18 08.4   1.246  2.236    11.3 / 266  15.7    9 1.00

          22 14  01 55.90  +18 07.6   1.248  2.238    11.3 / 266  15.7   13  .99

          23 14  01 55.11  +18 06.8   1.249  2.240    11.2 / 265  15.7   23  .95

          24 14  01 54.32  +18 05.9   1.251  2.243    11.2 / 265  15.7   34  .91

          25 14  01 53.54  +18 04.9   1.254  2.245    11.2 / 264  15.8   46  .84

          26 14  01 52.76  +18 03.8   1.256  2.247    11.1 / 264  15.8   59  .76

          27 14  01 51.99  +18 02.7   1.259  2.249    11.0 / 264  15.8   71  .67

          28 14  01 51.22  +18 01.4   1.262  2.251    10.9 / 263  15.8   84  .57

          29 14  01 50.46  +18 00.1   1.265  2.254    10.8 / 263  15.8   98  .46

          30 14  01 49.71  +17 58.7   1.269  2.256    10.6 / 262  15.8  111  .35

          31 14  01 48.97  +17 57.3   1.272  2.258    10.5 / 262  15.8  125  .25

     Nov.  1 14  01 48.25  +17 55.8   1.276  2.261    10.3 / 262  15.8  140  .15

           2 14  01 47.53  +17 54.3   1.281  2.263    10.1 / 261  15.9  154  .08

           3 14  01 46.83  +17 52.7   1.285  2.265     9.9 / 261  15.9  167  .03

           4 14  01 46.15  +17 51.1   1.290  2.268     9.7 / 260  15.9  168  .00

           5 14  01 45.48  +17 49.5   1.295  2.270     9.4 / 260  15.9  156  .01

           6 14  01 44.83  +17 47.9   1.300  2.273     9.2 / 260  15.9  142  .04

           7 14  01 44.19  +17 46.3   1.306  2.275     8.9 / 259  15.9  128  .10

           8 14  01 43.58  +17 44.6   1.311  2.278     8.6 / 259  16.0  114  .18

           9 14  01 42.99  +17 43.0   1.317  2.280     8.3 / 259  16.0  101  .27

          10 14  01 42.42  +17 41.3   1.324  2.283     8.0 / 258  16.0   88  .37

          11 14  01 41.87  +17 39.7   1.330  2.285     7.7 / 258  16.0   75  .47

          12 14  01 41.35  +17 38.2   1.337  2.288     7.3 / 258  16.0   63  .57

          13 14  01 40.84  +17 36.6   1.344  2.290     7.0 / 257  16.0   51  .66

          14 14  01 40.37  +17 35.1   1.351  2.293     6.6 / 257  16.1   39  .75

          15 14  01 39.91  +17 33.6   1.358  2.296     6.3 / 257  16.1   28  .83

          16 14  01 39.48  +17 32.2   1.366  2.298     5.9 / 256  16.1   17  .89

          17 14  01 39.08  +17 30.8   1.374  2.301     5.5 / 256  16.1   10  .94

          18 14  01 38.71  +17 29.5   1.382  2.304     5.2 / 256  16.1   14  .98

          19 14  01 38.36  +17 28.2   1.390  2.306     4.8 / 255  16.2   24 1.00

          20 14  01 38.03  +17 27.0   1.398  2.309     4.4 / 255  16.2   35 1.00

          21 14  01 37.74  +17 25.8   1.407  2.312     4.0 / 254  16.2   47  .98

          22 14  01 37.47  +17 24.8   1.416  2.315     3.6 / 254  16.2   60  .94

          23 14  01 37.23  +17 23.8   1.425  2.317     3.2 / 253  16.2   72  .88

          24 14  01 37.02  +17 22.9   1.434  2.320     2.8 / 253  16.3   85  .81

          25 14  01 36.83  +17 22.0   1.444  2.323     2.4 / 252  16.3   98  .72

          26 14  01 36.68  +17 21.3   1.454  2.326     1.9 / 250  16.3  111  .62

          27 14  01 36.55  +17 20.6   1.463  2.329     1.5 / 248  16.3  124  .51

          28 14  01 36.45  +17 20.0   1.473  2.332     1.1 / 245  16.4  138  .40

          29 14  01 36.38  +17 19.6   1.484  2.334      .7 / 238  16.4  151  .29

          30 14  01 36.34  +17 19.2   1.494  2.337      .3 / 215  16.4  164  .19

     Dec.  1 14  01 36.32  +17 18.9   1.505  2.340      .3 / 130  16.4  170  .10

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戻ります。