"Pseudo-MPEC" for C/1998 J2

Created Tue Jun 4 22:49:58 2013 using Find_Orb

Astrometry:
    CJ98J020  S1998 05 10.27866 03 21 13.5  +14 32 23                   33823249
    CJ98J020  s1998 05 10.27866 2 +0.00561845 +0.00920057 +0.0030887    33823249
    CJ98J020  S1998 05 10.40566 03 20 35.4  +14 44 50                   33823249
    CJ98J020  s1998 05 10.40566 2 +0.00561384 +0.00920432 +0.0030887    33823249
    CJ98J020  S1998 05 10.44730 03 20 21.4  +14 48 57                   33823249
    CJ98J020  s1998 05 10.44730 2 +0.00561233 +0.00920555 +0.0030887    33823249
    CJ98J020  S1998 05 10.49014 03 20 07.0  +14 53 18                   33823249
    CJ98J020  s1998 05 10.49014 2 +0.00561079 +0.00920681 +0.0030888    33823249
    CJ98J020  S1998 05 10.57434 03 19 38.9  +15 02 50           x       33823249
    CJ98J020  s1998 05 10.57434 2 +0.00560777 +0.00920928 +0.0030888    33823249
    CJ98J020  S1998 05 10.61595 03 19 23.8  +15 06 17                   33823249
    CJ98J020  s1998 05 10.61595 2 +0.00560628 +0.00921050 +0.0030888    33823249
    CJ98J020  S1998 05 10.65367 03 19 11.3  +15 10 01                   33823249
    CJ98J020  s1998 05 10.65367 2 +0.00560493 +0.00921160 +0.0030888    33823249
    CJ98J020  S1998 05 10.69531 03 18 55.2  +15 14 51                   33823249
    CJ98J020  s1998 05 10.69531 2 +0.00560345 +0.00921282 +0.0030888    33823249
    CJ98J020  S1998 05 10.73698 03 18 39.3  +15 19 28                   33823249
    CJ98J020  s1998 05 10.73698 2 +0.00560197 +0.00921403 +0.0030889    33823249
    CJ98J020  S1998 05 10.82313 03 18 06.5  +15 29 15                   33823249
    CJ98J020  s1998 05 10.82313 2 +0.00559892 +0.00921654 +0.0030889    33823249
    CJ98J020  S1998 05 10.86892 03 17 48.9  +15 34 33                   33823249
    CJ98J020  s1998 05 10.86892 2 +0.00559731 +0.00921788 +0.0030889    33823249
    CJ98J020  S1998 05 10.90829 03 17 32.7  +15 39 26                   33823249
    CJ98J020  s1998 05 10.90829 2 +0.00559593 +0.00921902 +0.0030890    33823249
    CJ98J020  S1998 05 10.98832 03 16 58.0  +15 49 22                   33823249
    CJ98J020  s1998 05 10.98832 2 +0.00559313 +0.00922134 +0.0030890    33823249
    CJ98J020  S1998 05 11.02875 03 16 41.1  +15 54 43                   33823249
    CJ98J020  s1998 05 11.02875 2 +0.00559172 +0.00922251 +0.0030890    33823249
    CJ98J020  S1998 05 11.07874 03 16 19.0  +16 01 23                   33823249
    CJ98J020  s1998 05 11.07874 2 +0.00558998 +0.00922396 +0.0030891    33823249
    CJ98J020  S1998 05 11.11349 03 16 02.3  +16 05 58                   33823249
    CJ98J020  s1998 05 11.11349 2 +0.00558877 +0.00922496 +0.0030891    33823249
    CJ98J020  S1998 05 11.14940 03 15 44.9  +16 11 04                   33823249
    CJ98J020  s1998 05 11.14940 2 +0.00558753 +0.00922600 +0.0030891    33823249
    CJ98J020  S1998 05 11.22353 03 15 08.3  +16 21 56                   33823249
    CJ98J020  s1998 05 11.22353 2 +0.00558497 +0.00922814 +0.0030892    33823249
    CJ98J020  S1998 05 11.25903 03 14 50.1  +16 27 20                   33823249
    CJ98J020  s1998 05 11.25903 2 +0.00558375 +0.00922916 +0.0030892    33823249
    CJ98J020  S1998 05 11.27041 03 14 44.0  +16 28 30                   33823249
    CJ98J020  s1998 05 11.27041 2 +0.00558336 +0.00922949 +0.0030892    33823249
    CJ98J020  S1998 05 11.28244 03 14 36.6  +16 31 18           x       33823249
    CJ98J020  s1998 05 11.28244 2 +0.00558294 +0.00922983 +0.0030892    33823249
    CJ98J020  S1998 05 11.31645 03 14 20.4  +16 36 23                   33823249
    CJ98J020  s1998 05 11.31645 2 +0.00558178 +0.00923081 +0.0030892    33823249
    CJ98J020  S1998 05 11.32816 03 14 13.7  +16 38 20                   33823249
    CJ98J020  s1998 05 11.32816 2 +0.00558138 +0.00923115 +0.0030892    33823249
    CJ98J020  S1998 05 11.35127 03 14 01.0  +16 42 17                   33823249
    CJ98J020  s1998 05 11.35127 2 +0.00558059 +0.00923181 +0.0030892    33823249
    CJ98J020  S1998 05 11.36293 03 13 53.4  +16 44 05                   33823249
    CJ98J020  s1998 05 11.36293 2 +0.00558019 +0.00923215 +0.0030892    33823249
    CJ98J020  S1998 05 11.38618 03 13 41.1  +16 48 19                   33823249
    CJ98J020  s1998 05 11.38618 2 +0.00557939 +0.00923281 +0.0030893    33823249
    CJ98J020  S1998 05 11.39867 03 13 34.0  +16 50 34                   33823249
    CJ98J020  s1998 05 11.39867 2 +0.00557897 +0.00923317 +0.0030893    33823249
    CJ98J020  S1998 05 11.42298 03 13 19.9  +16 54 54                   33823249
    CJ98J020  s1998 05 11.42298 2 +0.00557814 +0.00923387 +0.0030893    33823249
    CJ98J020  S1998 05 11.43548 03 13 12.7  +16 57 21                   33823249
    CJ98J020  s1998 05 11.43548 2 +0.00557771 +0.00923423 +0.0030893    33823249
    CJ98J020  S1998 05 11.45979 03 12 58.0  +17 02 11                   33823249
    CJ98J020  s1998 05 11.45979 2 +0.00557689 +0.00923492 +0.0030893    33823249
    CJ98J020  S1998 05 11.47715 03 12 46.8  +17 05 45                   33823249
    CJ98J020  s1998 05 11.47715 2 +0.00557630 +0.00923542 +0.0030893    33823249

Station data:
(249) SOHO.

Orbital elements:  C/1998 J2
   Perihelion 1998 May 11.681330 +/- 0.00188 TT;  Constraint: e=1
Epoch 1998 May 12.0 TT = JDT 2450945.5   Earth MOID: 0.5535   Find_Orb
q821673.394 +/- 9191
                                    Peri.   83.49131 +/- 0.27
                                    Node     4.24694 +/- 0.47
e   1.0 +/- 0                       Incl.  144.65578 +/- 0.07
29 of 31 observations 1998 May 10-11 (28.8 hr); mean residual 7".615.

Residuals in arcseconds:
980510 249 17.3- .963-    980510 249 5.89+ 1.89-    980511 249 .062- 3.82+    
980510 249 8.52+ 7.56+    980510 249 7.79- 2.49-    980511 249 1.31+ 6.80+    
980510 249 1.90+ 5.79+    980511 249 3.45+ 6.52+    980511 249 13.8- 5.75-    
980510 249 1.15- 7.19+    980511 249 9.06+ 9.75+    980511 249 .244- 2.54+    
980510 249(7.41+ 57.3+)   980511 249 .015- 1.06+    980511 249 1.47+ 2.36+    
980510 249 .050+ .331+    980511 249 5.67- 6.45+    980511 249 3.82+ 7.73-    
980510 249 14.2+ 18.7-    980511 249 7.14- 10.8+    980511 249 7.30+ 3.51-    
980510 249 .698+ 1.24-    980511 249 7.21- 9.84+    980511 249 7.03+ .329+    
980510 249 5.18- 1.78-    980511 249 9.55- 26.6-    980511 249 .955- 2.35+    
980510 249 .810- 5.07-    980511 249(24.9- 27.5+)   
980510 249 8.18+ 10.7-    980511 249 4.35+ 3.07+