◎P/2003 CP7の連結軌道
 CBET 2081にあるとおり,2011年回帰のこの彗星が検出されました.ドイツの
マイヤーは,その連結軌道を使用して,1950年に撮影された2枚のPOSSプレート
上にこの彗星の回帰イメージを見つけました.このとき,彗星は15.6等で,ほと
んど恒星状であったとのことです.

0231   19500223.86348227  2.7770763553 0.2796297846  39.79133868 135.22055723  1
2.64332583 19500208.                              P/LINEAR-NEAT         2003CP7 
14.5  5N  11.0 10N  144   1950-2009   0.66   .     NK1865  09n          M_v 2009
1216(H36)
0231   20030429.36049645  3.0168229021 0.2485781236  42.62305709 133.12581706  1
2.33911371 20030501.                              P/LINEAR-NEAT         2003CP7 
14.5  5N  11.0 10N  144   1950-2009   0.66   .     NK1865  09n          M_v 2009
1216(H36)
0231   20110516.67732400  3.0328052968 0.2465643925  42.47108981 133.09918832  1
2.32631658 20110429.                              P/LINEAR-NEAT         2003CP7 
14.5  5N  11.0 10N  144   1950-2009   0.66   .     NK1865  09n          M_v 2009
1216(H36)

    P/LINEAR-NEAT (2003 CP7 = 2009 X1)
Epoch 2011 Apr. 29.0 TT = JDT 2455680.5  
T 2011 May 16.67732 TT                                  Nakano
q   3.0328053            (2000.0)            P               Q
n   0.12204121     Peri.   42.47109     -0.98564742     -0.06482050
a   4.0253013      Node   133.09919     +0.02328294     -0.96671838
e   0.2465644      Incl.   12.32632     +0.16720370     -0.24749520
P   8.08
From 144 observations 1950-2009, mean residual 0".66.
     The delta-T correction is -0.37 day for the prediction in NK 1015
     with the runoff of +230" in R. A. and +37" in Decl..
     The 1950 identification (mag. = 15.6; the object is almost stellar)
     was found by M. Meyer.
Residuals in seconds of arc 
1950/                     030321 213 (0.1-  2.5-)   030407 J95  0.2+  0.2-  
500420 261  0.3+  0.6+    030321 213 (2.2-  4.6-)   030410 691  0.0   0.3-  
500420 261  0.2-  0.3-    030321 213 (2.2-  1.3+)   030410 691  0.2+  1.0-  
2003/                     030321 213  0.9+  1.9+    030410 691  0.2+  0.7-  
030201 704  0.0   0.6+    030322 246  0.4+  0.5-    030420 246  0.1-  1.1-  
030201 704  0.8+  0.4+    030322 246  0.0   0.6-    030420 246  0.1+  0.8-  
030201 704  0.6-  1.3+    030322 246  0.6+  0.5-    030420 246  0.3-  1.0-  
030201 704  0.4-  0.5+    030322 246  0.0   0.6-    030420 246  0.4-  0.5-  
030203 699 (2.7-  1.3+)   030322 246  0.0   0.6-    030420 246  0.0   1.0-  
030203 699  1.5-  0.5+    030322 246  0.1-  0.4-    030420 246  0.1+  0.8-  
030203 699  1.0-  0.6+    030322 213 (1.2+  2.3-)   030420 213  0.9+  0.5-  
030203 699  1.7-  0.7+    030322 213 (2.4+  0.5+)   030420 213  1.0+  0.9-  
030204 704  0.1+  1.0+    030322 204  0.6+  0.4-    030420 213  0.7-  1.6+  
030204 704  0.9-  0.4+    030322 204  0.6+  0.6-    030421 360  1.3+  0.6-  
030204 704  0.7+  1.2+    030322 204  0.3-  0.0     030421 360  1.6+  0.6-  
030228 704  1.3-  0.8+    030323 673  0.0   0.3+    030421 360  1.0+  1.2-  
030228 704  1.6-  0.2+    030323 673  0.2-  0.0     030502 360  0.5+  0.2-  
030228 704  1.4-  0.6+    030323 673  0.4-  0.1+    030502 360  0.1-  0.3+  
030310 644  0.1+  0.3-    030323 673  0.5-  0.3+    030505 J95  0.1-  0.1+  
030310 644  0.2-  0.4-    030323 246  0.1+  0.0     030505 J95  0.6-  0.3+  
030310 644  0.5-  0.1+    030323 246  0.2+  0.3-    030505 J95  0.6-  0.1+  
030311 649  0.4-  0.2-    030323 246  0.0   0.2-    030506 118  0.7+  0.3+  
030311 649  0.3-  0.2-    030323 246  0.2+  0.2-    030506 118  0.6+  0.7+  
030311 926  0.6-  0.1+    030323 246  0.1+  0.4-    030506 118  1.2+  1.0+  
030311 670  0.1+  0.3+    030323 246  0.2+  0.2-    030506 118  0.9+  0.5+  
030311 448  0.0   0.0     030323 246  0.1+  0.6-    030507 118  0.9+  0.8-  
030311 448  0.8-  0.4+    030325 372  0.1-  0.8-    030507 118  1.0+  1.3+  
030311 926  0.4-  0.3-    030326 691  0.1-  0.0     030507 118  1.2+  1.6+  
030311 448  0.7-  0.1-    030326 691  0.1-  0.1-    030507 118  0.9+  1.1+  
030311 448  0.7-  0.2-    030326 691  0.4-  0.1+    030523 360  0.1+  0.6+  
030311 926  0.4-  0.0     030326 372  0.5-  0.1-    030523 360  0.0   1.0+  
030311 649  0.7-  0.3-    030326 360  0.4-  0.8-    030528 620  0.1+  0.4-  
030311 670  0.4-  1.4+    030326 360  0.0   0.7-    030528 620  1.4+  0.2-  
030311 644  0.2-  0.2+    030326 360  0.2-  0.4-    030605 360  0.1-  0.6+  
030311 644  0.0   0.4+    030329 360  0.0   0.6-    030605 360  0.1-  0.1-  
030311 644  0.0   0.2+    030329 360  0.2-  0.4-    030625 448 (4.0-  3.4+) 
030312 850  1.3-  0.4-    030329 360  0.2-  0.3-    030625 448  1.6-  1.3+  
030312 850  0.3-  0.0     030401 704  1.2+  1.1+    030625 448  1.1-  1.0+  
030312 850  0.8-  0.7-    030401 704  1.7+  1.9+    030626 448  0.3-  0.5-  
030312 670  0.1-  0.1+    030401 704  0.8-  0.9+    030626 448  0.5+  0.7-  
030312 854  0.2+  0.2+    030404 246  0.1+  0.3-    030626 448  1.2+  0.1+  
030312 854  0.5+  0.8-    030404 246  0.8+  0.6-    2009/                   
030312 854  1.2+  0.0     030404 246  1.0+  0.4-    091211 H36  0.0   0.0   
030312 670  0.8-  0.2-    030404 246  1.0+  0.6-    091211 H36  0.1+  0.2-  
030312 673  0.3-  0.5+    030404 246  0.7+  0.1-    091211 H36  0.8-  0.5-  
030312 673  0.1-  0.5+    030404 246  0.5+  0.5-    091215 H36  0.7+  0.0   
030312 673  0.3-  0.5+    030404 170  0.5+  0.3+    091215 H36  0.7-  0.1-  
030312 673  0.4-  0.1-    030404 170  0.7+  0.1-    091215 H36  1.4+  0.0   
030313 J95  0.9-  0.4+    030405 170  0.7+  0.1-    091216 H36  1.6-  0.0   
030313 J95  0.4-  0.3-    030405 170  0.8+  0.3-    091216 H36  0.9+  0.6+  
030320 204  0.2-  0.2+    030406 J95  0.3+  0.9-                            
030320 204  0.8-  0.5-    030407 J95  0.4+  0.4-                            
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    P/2003 CP7 (LINEAR-NEAT)                                              

Epoch 2003 May 1.0 TT = JDT 2452760.5  

T 2003 Apr. 29.36671 TT                                 Nakano

q   3.0169102            (2000.0)            P               Q

n   0.12250305     Peri.   42.62387     -0.98583244     -0.06170585

a   4.0151779      Node   133.12594     +0.02024367     -0.96684616

e   0.2486235      Incl.   12.33934     +0.16650704     -0.24779201

P   8.05 (+/- 0.01 day)

From 133 observations 2003 Feb. 1-June 26, mean residual 0".57.


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    P/2003 CP7 (LINEAR-NEAT)                                              

Epoch 2003 May 1.0 TT = JDT 2452760.5  

T 2003 Apr. 29.31477 TT                                 Nakano

q   3.0169569            (2000.0)            P               Q

n   0.12250342     Peri.   42.61213     -0.98582017     -0.06189716

a   4.0151697      Node   133.12652     +0.02043167     -0.96684343

e   0.2486104      Incl.   12.33960     +0.16655669     -0.24775498

P   8.05 (+/- 0.02 day)

From 128 observations 2003 Feb. 1-2003 June 5, mean residual 0".55.



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    P/2003 CP7 (LINEAR-NEAT)                                              

Epoch 2003 May 1.0 TT = JDT 2452760.5  

T 2003 Apr. 29.14294 TT                                 Nakano

q   3.0170870            (2000.0)            P               Q

n   0.12250878     Peri.   42.57491     -0.98577983     -0.06252987

a   4.0150525      Node   133.12694     +0.02105234     -0.96683133

e   0.2485560      Incl.   12.33990     +0.16671811     -0.24764329

P   8.05 (+/- 0.05 day)

From 104 observations 2003 Feb. 1-Apr. 21, mean residual 0".46.



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◎P/2003 CP7の軌道と予報位置です



 久万の中村彰正氏の観測では,彗星の CCD全光度は,3月26日に18.6等,

29日に18.5等でした.



    P/2003 CP7 (LINEAR-NEAT)                                              

T 2003 Apr. 29.64930 TT                                 Nakano

q   3.0170811            (2000.0)            P               Q

n   0.12243106     Peri.   42.67937     -0.98589322     -0.06069524

a   4.0167516      Node   133.12898     +0.01925415     -0.96687357

e   0.2488754      Incl.   12.34096     +0.16626437     -0.24793464

P   8.05 (+/- 0.08 day)

From 78 observations 2003 Feb. 1-Apr. 1.

 

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

              h    h  m       。  ,                      ,  / PA 。  m1      。

2003 Apr.  5 12  10 57.19  +18 02.2   2.167  3.019     5.2 / 301  17.5  103  .12

           6 12  10 56.87  +18 04.8   2.175  3.019     4.9 / 300  17.5   91  .18

           7 12  10 56.58  +18 07.3   2.183  3.019     4.6 / 300  17.5   79  .26

           8 12  10 56.30  +18 09.6   2.191  3.019     4.3 / 300  17.5   67  .35

           9 12  10 56.04  +18 11.7   2.199  3.019     3.9 / 299  17.5   55  .45

          10 12  10 55.79  +18 13.6   2.208  3.019     3.6 / 299  17.5   42  .55

          11 12  10 55.57  +18 15.4   2.217  3.018     3.3 / 298  17.5   29  .66

          12 12  10 55.37  +18 16.9   2.226  3.018     2.9 / 298  17.5   16  .75

          13 12  10 55.19  +18 18.3   2.235  3.018     2.6 / 297  17.5    5  .85

          14 12  10 55.02  +18 19.4   2.244  3.018     2.3 / 296  17.6   15  .92

          15 12  10 54.88  +18 20.4   2.253  3.018     1.9 / 295  17.6   29  .97

          16 12  10 54.76  +18 21.3   2.263  3.018     1.6 / 294  17.6   44 1.00

          17 12  10 54.65  +18 21.9   2.273  3.018     1.3 / 291  17.6   59  .99

          18 12  10 54.57  +18 22.4   2.283  3.018      .9 / 288  17.6   74  .96

          19 12  10 54.51  +18 22.7   2.293  3.017      .6 / 281  17.6   89  .89

          20 12  10 54.47  +18 22.8   2.303  3.017      .3 / 260  17.6  104  .81

          21 12  10 54.44  +18 22.7   2.313  3.017      .2 / 185  17.6  118  .71

          22 12  10 54.44  +18 22.5   2.324  3.017      .5 / 146  17.6  132  .61

          23 12  10 54.46  +18 22.1   2.334  3.017      .8 / 135  17.6  145  .50

          24 12  10 54.50  +18 21.5   2.345  3.017     1.1 / 131  17.6  157  .40

          25 12  10 54.56  +18 20.8   2.356  3.017     1.5 / 128  17.7  169  .30

          26 12  10 54.64  +18 19.9   2.367  3.017     1.8 / 126  17.7  174  .21

          27 12  10 54.74  +18 18.8   2.378  3.017     2.1 / 125  17.7  164  .14

          28 12  10 54.86  +18 17.6   2.389  3.017     2.4 / 124  17.7  152  .08

          29 12  10 55.01  +18 16.2   2.401  3.017     2.8 / 124  17.7  141  .04

          30 12  10 55.17  +18 14.7   2.412  3.017     3.1 / 123  17.7  129  .01

     May   1 12  10 55.35  +18 13.0   2.424  3.017     3.4 / 122  17.7  117  .00

           2 12  10 55.55  +18 11.2   2.436  3.017     3.7 / 122  17.7  106  .01

           3 12  10 55.78  +18 09.2   2.448  3.017     4.1 / 122  17.7   94  .03

           4 12  10 56.02  +18 07.1   2.459  3.017     4.4 / 121  17.8   82  .08

           5 12  10 56.28  +18 04.8   2.471  3.017     4.7 / 121  17.8   70  .14

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    P/2003 CP7 (LINEAR-NEAT)                                              

T 2003 Apr. 29.12071 TT                                 Nakano

q   3.0179002            (2000.0)            P               Q

n   0.12241088     Peri.   42.55298     -0.98576425     -0.06266613

a   4.0171930      Node   133.14022     +0.02119392     -0.96685697

e   0.2487540      Incl.   12.34614     +0.16679226     -0.24750869

P   8.05 (+/- 0.18 day)

From 45 observations 2003 Feb. 1-Mar. 13.



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戻ります。