"Pseudo-MPEC" for C/2001 OG108

Created Sun Jun 22 09:42:36 2003

 Astrometry 
 Observing stations 
 Orbital elements 
 Residuals 


Astrometry:
    CK01OA8G  C2002 02 07.76243 21 31 18.17 +32 07 02.6          14.4 N      235
    CK01OA8G  C2002 02 07.76243 21 31 18.17 +32 07 02.6          14.4N       235
    CK01OA8G  C2002 02 10.74905 21 31 40.43 +33 07 53.1          13.7 N      235
    CK01OA8G  C2002 02 10.74905 21 31 40.43 +33 07 53.1          12.2 T      235
    CK01OA8G  C2002 02 10.74905 21 31 40.43 +33 07 53.1          13.7N       235
    CK01OA8G  C2002 03 23.09333 21 42 15.10 +58 39 30.1          13.9 N      235
    CK01OA8G  C2002 03 23.09333 21 42 15.10 +58 39 30.1          13.9N       235
    CK01OA8G  C2002 04 01.87016 21 58 22.12 +73 03 49.1          14.6 N      235
    CK01OA8G  C2002 04 02.79549 22 02 09.17 +74 47 19.3          14.2 N      235
    CK01OA8G  C2002 04 05.87256 22 27 37.44 +81 01 04.3          14.3 N      213
    CK01OA8G  C2002 04 05.87630 22 27 40.69 +81 01 33.1          14.2 N      213
    CK01OA8G  C2002 04 10.81555 07 12 36.10 +85 54 05.1          14.8N       235
    CK01OA8G  C2002 04 10.81555 07 12 36.10 +85 54 05.1          14.8 N      235
    CK01OA8G  C2002 04 13.91426 08 47 17.96 +77 46 47.5          14.6N       235
    CK01OA8G  C2002 04 13.91426 08 47 17.96 +77 46 47.5          14.6 N      235
    CK01OA8G  C2002 04 19.94323 09 15 54.66 +60 02 45.7          15.0 N      213
    CK01OA8G  C2002 04 19.95203 09 15 55.88 +60 01 11.3          15.1 N      213
    CK01OA8G  C2002 04 20.85019 09 17 49.28 +57 22 59.7          14.3        939
    CK01OA8G  C2002 04 20.85316 09 17 49.53 +57 22 28.7          14.4        939
    CK01OA8G  C2002 04 20.85618 09 17 49.77 +57 21 57.2          14.3        939
    CK01OA8G  C2002 04 20.86783 09 17 50.92 +57 19 53.8          14.5        442
    CK01OA8G  C2002 04 20.89525 09 17 53.87 +57 15 05.1          14.5 N      170
    CK01OA8G  C2002 04 20.89806 09 17 54.23 +57 14 36.3          14.6 N      170
    CK01OA8G  C2002 04 20.90274 09 17 54.70 +57 13 46.8          14.5 N      170
    CK01OA8G  C2002 04 20.90557 09 17 55.07 +57 13 16.3          14.5        442
    CK01OA8G  C2002 04 20.90565 09 17 55.09 +57 13 16.4          14.6 N      170
    CK01OA8G  C2002 04 20.93192 09 17 57.81 +57 08 39.7          14.3 N      232
    CK01OA8G  C2002 04 20.93249 09 17 57.80 +57 08 34.1          14.4 N      232
    CK01OA8G  C2002 04 20.93304 09 17 57.95 +57 08 28.0          14.3 N      232
    CK01OA8G  C2002 04 20.93361 09 17 57.91 +57 08 22.3          14.2 N      232
    CK01OA8G  C2002 04 20.93417 09 17 58.03 +57 08 16.3          14.4 N      232
    CK01OA8G  C2002 04 20.94365 09 17 59.17 +57 06 36.7          14.4 N      941
    CK01OA8G  C2002 04 20.94813 09 17 59.68 +57 05 49.3          14.4 N      941
    CK01OA8G  C2002 04 20.94962 09 17 59.86 +57 05 33.7          14.4 N      941
    CK01OA8G  C2002 04 21.83046 09 19 36.94 +54 32 42.4          14.7 N      213
    CK01OA8G  C2002 04 21.83259 09 19 37.12 +54 32 20.3          14.7 N      213
    CK01OA8G  C2002 04 23.86468 09 22 44.37 +48 49 54.8          14.6 N      213
    CK01OA8G  C2002 04 24.95992 09 24 10.39 +45 52 38.9          15.3N       235
    CK01OA8G  C2002 04 24.95992 09 24 10.39 +45 52 38.9          15.3 N      235
    CK01OA8G  C2002 04 27.88096 09 27 29.64 +38 30 36.0          14.8 R      458
    CK01OA8G  C2002 04 27.88550 09 27 29.82 +38 29 58.3          14.7 R      458
    CK01OA8G  C2002 04 27.89089 09 27 30.08 +38 29 12.0          14.8 R      458
    CK01OA8G  C2002 04 28.85672 09 28 28.54 +36 13 31.8          14.8 N      213
    CK01OA8G  C2002 04 28.85826 09 28 28.67 +36 13 18.7          14.8 N      213
    CK01OA8G  C2002 04 28.86284 09 28 28.88 +36 12 41.2          14.8 N      213
    CK01OA8G  C2002 04 29.90023 09 29 28.55 +33 52 57.4          15.0 R      458
    CK01OA8G  C2002 04 29.90734 09 29 28.88 +33 52 01.2          15.0 R      458
    CK01OA8G  C2002 04 30.83666 09 30 21.99 +31 52 12.4          16.0        442
    CK01OA8G  C2002 04 30.84488 09 30 20.95 +31 51 08.2          16.0        442
    CK01OA8G  C2002 04 30.88028 09 30 22.69 +31 46 40.7          14.9 N      213
    CK01OA8G  C2002 04 30.88307 09 30 22.72 +31 46 19.3          15.0 N      213
    CK01OA8G  C2002 05 01.84295 09 31 14.13 +29 47 53.1          15.3N       235
    CK01OA8G  C2002 05 11.90284 09 39 16.60 +13 43 09.6          15.0 R      458
    CK01OA8G  C2002 05 11.90941 09 39 16.78 +13 42 38.2          15.1 R      458
    CK01OA8G  C2002 05 12.84295 09 39 59.67 +12 34 24.0          15.1 T      213
    CK01OA8G  C2002 05 12.84450 09 39 59.81 +12 34 16.1          15.1 T      213
    CK01OA8G  C2002 05 12.85750 09 40 00.32 +12 33 20.2          15.9 T      232
    CK01OA8G  C2002 05 17.86184 09 43 48.81 +07 12 28.4          15.8        939
    CK01OA8G  C2002 05 17.86779 09 43 49.03 +07 12 07.4          15.8        939
    CK01OA8G  C2002 05 17.87372 09 43 49.27 +07 11 46.8          15.8        939
    CK01OA8G  C2002 05 18.87898 09 44 35.33 +06 15 17.9          16.0        939
    CK01OA8G  C2002 05 18.88485 09 44 35.57 +06 14 58.7          16.0        939
    CK01OA8G  C2002 05 18.89073 09 44 35.84 +06 14 39.1          16.0        939
    CK01OA8G  C2002 05 24.88868 09 49 13.62 +01 20 59.0          16.0 T      232
    CK01OA8G  C2002 05 24.90428 09 49 14.39 +01 20 17.6          16.1 T      232

Station data:
(170) Observatorio de Begues  (N41.3318 E1.9206).
(213) Observatorio Montcabre (N41.5186 E2.3850).
(232) Masquefa Observatory  (N41.5085 E1.3317).
(235) CAST Observatory, Talmassons  (N45.9367 E13.1144).
(442) Gualba Observatory  (N41.7079 W2.5178).
(458) Guadarrama Observatory  (N40.6472 W4.0194).
(939) Observatorio Rodeno  (N39.7599 W0.3967).
(941) Observatorio Pla D'Arguines  (N39.7528 W0.3861).

Orbital elements:
C/2001OG108
   Perihelion 2002 Mar 15.199770 TT
Epoch 2002 May  6.0 TT = JDT 2452400.5
M   1.05946              (2000.0)            P               Q
n   0.02045292     Peri.  116.41630     -0.46517559     -0.86660485     
a  13.2423693      Node    10.55783     -0.28894449     -0.04417196     
e   0.9249366      Incl.   80.24016      0.83673337     -0.49703608     
P  48.19           H   13.3           G   0.15      q 0.9940170
From 35 observations 2002 Feb. 10-May. 24;   RMS error 1.166 arcseconds

Residuals in arcseconds:
020207 235( 3.3-  .93-)   020420 232  1.2-  .97+    020430 442(19.0+  .04-)   
020210 235  1.3-  1.2-    020420 232( 1.8-  1.4+)   020430 442( .60+  1.9-)   
020323 235( 1.3-  5.2-)   020420 232  1.1-  1.1+    020430 213  1.0+  .69-    
020401 235( .88-  4.5-)   020420 232( 1.9-  1.4+)   020430 213  .39-  .93-    
020402 235( .05-  4.8-)   020420 232  1.4-  1.3+    020501 235( 1.3+  2.1-)   
020405 213( 1.5-  4.6-)   020420 941  .60-  .00     020511 458  .63+  1.5-    
020405 213( 1.9-  4.5-)   020420 941  .45-  .82+    020511 458( .91-  3.4-)   
020410 235  .04+  .36+    020420 941  .32-  .92+    020512 213  .52+  .31+    
020413 235( .95+  1.8-)   020421 213( .27+  2.0+)   020512 213( 1.6+  .92-)   
020419 213( .00   5.2+)   020421 213( .07+  1.9+)   020512 232  .76+  .93-    
020419 213( .70+  4.7+)   020423 213  .81+  1.4+    020517 939( 2.0+  1.0+)   
020420 939  1.6+  .34-    020424 235  .28+  .24-    020517 939( 1.4+  .55+)   
020420 939  .98+  .08-    020427 458  1.2+  1.8-    020517 939  1.1+  .39+    
020420 939  .28+  .20+    020427 458  .25+  .39-    020518 939( 1.1+  .87+)   
020420 442  1.1-  .22-    020427 458  .30-  .26-    020518 939  .87+  1.1+    
020420 170  .53-  .03+    020428 213  .26+  .89-    020518 939  1.0+  .89+    
020420 170  .09-  .83+    020428 213  .82+  1.2-    020524 232  .82-  .58+    
020420 170  .42-  .63+    020428 213  .36+  .84-    020524 232  .05+  .01-    
020420 442  .71-  .40-    020429 458( .96+  2.4-)   
 232  .05+  .01-    
020420 170  .17+  .89+    020429 458( .45+  2.2-)    232  .05+  .01-