"Pseudo-MPEC" for S/2003 J 21

Created Tue Jan 27 20:31:40 2004 using Find_Orb


 Astrometry 
 Observing stations 
 Orbital elements 
 Residuals 
 Ephemeris 

Astrometry:
    SK03J210  C2002 01 10.25291 06 34 08.96 +22 57 50.1                 EB042568
    SK03J210  C2002 01 10.27463 06 34 08.21 +22 57 51.9                 EB042568
    SK03J210  C2002 01 16.54142 06 30 40.13 +23 06 08.0          23.0 R EB042568
    SK03J210  C2002 01 16.55307 06 30 39.76 +23 06 08.9                 EB042568
    SK03J210  C2003 02 06.45870 09 01 14.80 +16 50 03.0          23.3 R DK045568
    SK03J210  C2003 02 06.47874 09 01 14.10 +16 50 05.6                 DK045568
    SK03J210  C2003 02 09.43925 08 59 32.43 +16 56 48.2                 DK045568
    SK03J210  C2003 02 09.46190 08 59 31.62 +16 56 51.1                 DK045568
    SK03J210  C2003 02 25.44958 08 50 59.57 +17 30 07.0                 DK045568
    SK03J210  C2003 02 25.47360 08 50 58.86 +17 30 09.5          23.7 R DK045568
    SK03J210  C2003 02 25.50180 08 50 58.06 +17 30 12.8          23.2 R DK045568
    SK03J210  C2003 02 25.51702 08 50 57.59 +17 30 14.6          23.1 R DK045568
    SK03J210  C2003 02 25.53250 08 50 57.14 +17 30 16.4          23.3 R DK045568
    SK03J210  C2003 03 25.33570 08 41 29.92 +18 06 57.1          24.1 R DK045568
    SK03J210  C2003 03 25.35557 08 41 29.69 +18 06 57.7          23.6 R DK045568
    SK03J210  C2003 03 25.37114 08 41 29.52 +18 06 58.2          23.4 R DK045568
    SK03J210  C2003 03 27.35939 08 41 10.14 +18 08 18.7                 DK045568
    SK03J210  C2003 03 27.37510 08 41 09.96 +18 08 19.0          23.9 R DK045568
    SK03J210  C2003 03 27.39032 08 41 09.85 +18 08 19.7          23.7 R DK045568
    SK03J210  C2003 04 25.31455 08 42 13.81 +18 07 25.1          23.7 R DK045568
    SK03J210  C2003 04 25.33313 08 42 14.03 +18 07 24.4          23.9 R DK045568
    SK03J210  C2003 04 25.35172 08 42 14.30 +18 07 23.8          23.9 R DK045568
    SK03J210  C2003 04 27.25591 08 42 40.30 +18 06 02.1          23.7 R DK045568
    SK03J210  C2003 04 27.27452 08 42 40.54 +18 06 01.4          23.6 R DK045568
    SK03J210  C2003 04 27.29319 08 42 40.82 +18 06 00.4          23.5 R DK045568

Station data:
(568) Mauna Kea (N19.8262 W155.4722).   Observers D. C. Jewitt, S. S.
    Sheppard, J. Kleyna.  Measurer S. S. Sheppard.  8.3-m Subaru reflector +
    CCD.

Orbital elements:
S/2003 J 21
   Perijove 2003 Dec 26.961515 TT
Epoch 2003 Apr 11.0 TT = JDT 2452740.5                  Find_Orb
M 209.91386              (2000.0)            P               Q
n   0.57733983     Peri.   63.05942      0.65967400     -0.73442504     
a   0.1406537      Node    17.52247     -0.72421422     -0.67792257     
e   0.1849771      Incl.  148.00388      0.20085809     -0.03226189     
P   1.71 /623.54d  H   16.0           G   0.15      q 0.1146360
From 25 observations 2002 Jan. 10-2003 Apr. 27;   RMS error 0.319 arcseconds

Residuals in arcseconds:
020110 568  .26-  .14-    030225 568  .35-  .33-    030327 568  .14+  .17+    
020110 568  .15-  .18-    030225 568  .14+  .13-    030425 568  .14+  .08+    
020116 568  .15+  .11+    030225 568  .16-  .01+    030425 568  .02-  .16+    
020116 568  .24+  .16+    030225 568  .08-  .12+    030425 568  .51+  .35+    
030206 568  .12-  .19-    030325 568  .03+  .17+    030427 568  .01-  .26-    
030206 568  .02-  .31-    030325 568  .07-  .06-    030427 568  .22-  .10-    
030209 568  .55+  .42+    030325 568  .01-  .21-    030427 568  .11+  .23-    
030209 568  .29+  .29+    030327 568  .04+  .27+    
030225 568  .40-  .19-    030327 568  .37-  .01+    

Ephemerides:
Da Mon Year   RA              Dec         delta   r     elong mag
-- --- ----  ------------   ------------  ------ ------ ----- ---
28 Jan 2004  11 23 05.257   +06 12 42.61  4.5968 5.3714 138.2 23.4
30 Jan 2004  11 22 36.749   +06 16 14.25  4.5793 5.3749 140.4 23.4
 1 Feb 2004  11 22 05.583   +06 19 58.99  4.5628 5.3785 142.6 23.4
 3 Feb 2004  11 21 31.844   +06 23 56.17  4.5473 5.3821 144.7 23.4
 5 Feb 2004  11 20 55.624   +06 28 05.13  4.5327 5.3857 146.9 23.3
 7 Feb 2004  11 20 17.017   +06 32 25.14  4.5192 5.3894 149.1 23.3
 9 Feb 2004  11 19 36.127   +06 36 55.47  4.5067 5.3930 151.3 23.3
11 Feb 2004  11 18 53.059   +06 41 35.38  4.4954 5.3967 153.5 23.3
13 Feb 2004  11 18 07.927   +06 46 24.08  4.4851 5.4004 155.8 23.3
15 Feb 2004  11 17 20.854   +06 51 20.73  4.4759 5.4041 158.0 23.2
17 Feb 2004  11 16 31.973   +06 56 24.46  4.4679 5.4079 160.2 23.2
19 Feb 2004  11 15 41.429   +07 01 34.31  4.4610 5.4116 162.4 23.2
21 Feb 2004  11 14 49.375   +07 06 49.27  4.4554 5.4154 164.7 23.2
23 Feb 2004  11 13 55.976   +07 12 08.30  4.4509 5.4191 166.9 23.1
25 Feb 2004  11 13 01.397   +07 17 30.32  4.4477 5.4228 169.1 23.1
27 Feb 2004  11 12 05.806   +07 22 54.29  4.4456 5.4266 171.3 23.1
29 Feb 2004  11 11 09.374   +07 28 19.15  4.4449 5.4303 173.5 23.1
 2 Mar 2004  11 10 12.268   +07 33 43.88  4.4453 5.4340 175.6 23.1
 4 Mar 2004  11 09 14.657   +07 39 07.47  4.4470 5.4378 177.5 23.1
 6 Mar 2004  11 08 16.707   +07 44 28.94  4.4499 5.4415 178.0 23.1
 8 Mar 2004  11 07 18.582   +07 49 47.35  4.4540 5.4452 176.6 23.2
10 Mar 2004  11 06 20.444   +07 55 01.79  4.4594 5.4488 174.5 23.2
12 Mar 2004  11 05 22.455   +08 00 11.37  4.4659 5.4525 172.4 23.2
14 Mar 2004  11 04 24.778   +08 05 15.20  4.4737 5.4561 170.2 23.2
16 Mar 2004  11 03 27.577   +08 10 12.40  4.4827 5.4597 168.0 23.2
18 Mar 2004  11 02 31.019   +08 15 02.08  4.4929 5.4633 165.8 23.2
20 Mar 2004  11 01 35.271   +08 19 43.35  4.5043 5.4668 163.6 23.2
22 Mar 2004  11 00 40.495   +08 24 15.37  4.5169 5.4704 161.4 23.2
24 Mar 2004  10 59 46.847   +08 28 37.34  4.5305 5.4739 159.2 23.3
26 Mar 2004  10 58 54.475   +08 32 48.52  4.5454 5.4773 157.0 23.3
28 Mar 2004  10 58 03.519   +08 36 48.24  4.5613 5.4808 154.8 23.3
30 Mar 2004  10 57 14.107   +08 40 35.87  4.5783 5.4841 152.6 23.4
 1 Apr 2004  10 56 26.362   +08 44 10.87  4.5963 5.4875 150.4 23.4
 3 Apr 2004  10 55 40.392   +08 47 32.77  4.6153 5.4908 148.2 23.4
 5 Apr 2004  10 54 56.300   +08 50 41.14  4.6354 5.4941 146.1 23.4
 7 Apr 2004  10 54 14.178   +08 53 35.63  4.6563 5.4973 144.0 23.5
 9 Apr 2004  10 53 34.113   +08 56 15.91  4.6782 5.5005 141.8 23.5
11 Apr 2004  10 52 56.189   +08 58 41.68  4.7010 5.5037 139.7 23.5
13 Apr 2004  10 52 20.486   +09 00 52.64  4.7247 5.5068 137.6 23.5
15 Apr 2004  10 51 47.083   +09 02 48.51  4.7492 5.5099 135.5 23.6
17 Apr 2004  10 51 16.051   +09 04 29.03  4.7745 5.5129 133.4 23.6
19 Apr 2004  10 50 47.454   +09 05 53.99  4.8006 5.5158 131.3 23.6
21 Apr 2004  10 50 21.346   +09 07 03.20  4.8273 5.5188 129.3 23.6
23 Apr 2004  10 49 57.773   +09 07 56.55  4.8548 5.5216 127.2 23.7
25 Apr 2004  10 49 36.771   +09 08 33.97  4.8829 5.5245 125.2 23.7
27 Apr 2004  10 49 18.365   +09 08 55.44  4.9116 5.5272 123.2 23.7
29 Apr 2004  10 49 02.574   +09 09 00.99  4.9409 5.5300 121.2 23.7
 1 May 2004  10 48 49.409   +09 08 50.68  4.9707 5.5326 119.2 23.8
 3 May 2004  10 48 38.871   +09 08 24.61  5.0011 5.5353 117.2 23.8
 5 May 2004  10 48 30.958   +09 07 42.92  5.0318 5.5378 115.3 23.8