"Pseudo-MPEC" for C/2009 G7

Created Sat May 25 15:12:45 2013 using Find_Orb

Astrometry:
    CK09G070 3S2009 04 13.48754 01 44 49.2  +06 34 24                   66650249
    CK09G070 3s2009 04 13.48754 2 +0.00930233 +0.00010331 +0.00043817   66650249
    CK09G070 3S2009 04 13.51254 01 44 35.3  +06 38 40           x       66650249
    CK09G070 3s2009 04 13.51254 2 +0.00930086 +0.00010856 +0.00044110   66650249
    CK09G070 3S2009 04 13.52921 01 44 18.3  +06 39 21           x       66650249
    CK09G070 3s2009 04 13.52921 2 +0.00929987 +0.00011207 +0.00044306   66650249
    CK09G070 3S2009 04 13.59058 01 43 45.2  +06 45 05                   66650249
    CK09G070 3s2009 04 13.59058 2 +0.00929624 +0.00012499 +0.00045028   66650249
    CK09G070 3S2009 04 13.61254 01 43 34.6  +06 47 13                   66650249
    CK09G070 3s2009 04 13.61254 2 +0.00929493 +0.00012961 +0.00045286   66650249
    CK09G070 3S2009 04 13.63769 01 43 17.4  +06 49 56                   66650249
    CK09G070 3s2009 04 13.63769 2 +0.00929343 +0.00013491 +0.00045582   66650249
    CK09G070 3S2009 04 13.65421 01 43 07.9  +06 51 45                   66650249
    CK09G070 3s2009 04 13.65421 2 +0.00929245 +0.00013839 +0.00045777   66650249
    CK09G070 3S2009 04 13.69587 01 42 41.4  +06 55 52                   66650249
    CK09G070 3s2009 04 13.69587 2 +0.00928995 +0.00014718 +0.00046267   66650249
    CK09G070 3S2009 04 13.72087 01 42 24.9  +06 58 53                   66650249
    CK09G070 3s2009 04 13.72087 2 +0.00928845 +0.00015246 +0.00046562   66650249
    CK09G070 3S2009 04 13.73754 01 42 13.3  +07 00 40                   66650249
    CK09G070 3s2009 04 13.73754 2 +0.00928745 +0.00015598 +0.00046758   66650249
    CK09G070 3S2009 04 13.76254 01 41 59.8  +07 03 15                   66650249
    CK09G070 3s2009 04 13.76254 2 +0.00928594 +0.00016126 +0.00047053   66650249
    CK09G070 3S2009 04 13.77921 01 41 45.9  +07 05 26                   66651249
    CK09G070 3s2009 04 13.77921 2 +0.00928493 +0.00016478 +0.00047249   66651249
    CK09G070 3S2009 04 13.80421 01 41 29.6  +07 08 18                   66651249
    CK09G070 3s2009 04 13.80421 2 +0.00928342 +0.00017006 +0.00047544   66651249
    CK09G070 3S2009 04 13.82087 01 41 19.9  +07 10 12                   66651249
    CK09G070 3s2009 04 13.82087 2 +0.00928241 +0.00017359 +0.00047740   66651249
    CK09G070 3S2009 04 13.84588 01 41 02.5  +07 13 15                   66651249
    CK09G070 3s2009 04 13.84588 2 +0.00928089 +0.00017888 +0.00048035   66651249
    CK09G070 3S2009 04 13.86254 01 40 50.1  +07 14 55                   66651249
    CK09G070 3s2009 04 13.86254 2 +0.00927987 +0.00018241 +0.00048232   66651249
    CK09G070 3S2009 04 13.88769 01 40 33.8  +07 17 57                   66651249
    CK09G070 3s2009 04 13.88769 2 +0.00927834 +0.00018773 +0.00048529   66651249
    CK09G070 3S2009 04 13.90423 01 40 21.8  +07 19 40                   66651249
    CK09G070 3s2009 04 13.90423 2 +0.00927733 +0.00019123 +0.00048724   66651249
    CK09G070 3S2009 04 13.92921 01 40 04.3  +07 23 24                   66651249
    CK09G070 3s2009 04 13.92921 2 +0.00927580 +0.00019653 +0.00049019   66651249
    CK09G070 3S2009 04 13.97096 01 39 33.3  +07 27 57                   66651249
    CK09G070 3s2009 04 13.97096 2 +0.00927323 +0.00020538 +0.00049512   66651249
    CK09G070 3S2009 04 13.98754 01 39 19.7  +07 30 22                   66651249
    CK09G070 3s2009 04 13.98754 2 +0.00927221 +0.00020889 +0.00049707   66651249
    CK09G070 3S2009 04 14.01254 01 39 03.0  +07 33 27                   66651249
    CK09G070 3s2009 04 14.01254 2 +0.00927067 +0.00021420 +0.00050003   66651249
    CK09G070 3S2009 04 14.02921 01 38 49.8  +07 36 00                   66651249
    CK09G070 3s2009 04 14.02921 2 +0.00926964 +0.00021774 +0.00050200   66651249
    CK09G070 3S2009 04 14.07087 01 38 16.7  +07 41 16                   66651249
    CK09G070 3s2009 04 14.07087 2 +0.00926705 +0.00022659 +0.00050692   66651249
    CK09G070 3S2009 04 14.09588 01 37 58.5  +07 45 02                   66651249
    CK09G070 3s2009 04 14.09588 2 +0.00926550 +0.00023190 +0.00050988   66651249
    CK09G070 3S2009 04 14.11254 01 37 42.2  +07 47 09                   66651249
    CK09G070 3s2009 04 14.11254 2 +0.00926446 +0.00023544 +0.00051185   66651249
    CK09G070 3S2009 04 14.13794 01 37 20.7  +07 50 47                   66651249
    CK09G070 3s2009 04 14.13794 2 +0.00926287 +0.00024084 +0.00051485   66651249
    CK09G070 3S2009 04 14.15421 01 37 06.9  +07 53 17                   66651249
    CK09G070 3s2009 04 14.15421 2 +0.00926186 +0.00024430 +0.00051678   66651249
    CK09G070 3S2009 04 14.17921 01 36 47.8  +07 57 04                   66651249
    CK09G070 3s2009 04 14.17921 2 +0.00926029 +0.00024963 +0.00051974   66651249
    CK09G070 3S2009 04 14.19588 01 36 31.3  +07 59 06                   66651249
    CK09G070 3s2009 04 14.19588 2 +0.00925924 +0.00025318 +0.00052171   66651249
    CK09G070 3S2009 04 14.22087 01 36 09.6  +08 03 35                   66651249
    CK09G070 3s2009 04 14.22087 2 +0.00925767 +0.00025850 +0.00052467   66651249
    CK09G070 3S2009 04 14.23754 01 35 55.3  +08 06 06                   66651249
    CK09G070 3s2009 04 14.23754 2 +0.00925662 +0.00026205 +0.00052664   66651249
    CK09G070 3S2009 04 14.26254 01 35 32.9  +08 10 10                   66651249
    CK09G070 3s2009 04 14.26254 2 +0.00925504 +0.00026738 +0.00052960   66651249
    CK09G070 3S2009 04 14.27921 01 35 17.4  +08 12 58                   66651249
    CK09G070 3s2009 04 14.27921 2 +0.00925398 +0.00027093 +0.00053158   66651249
    CK09G070 2S2009 04 14.28754 01 35 10.4  +08 14 25                   66651249
    CK09G070 2s2009 04 14.28754 2 +0.00925345 +0.00027272 +0.00053257   66651249
    CK09G070 2S2009 04 14.29587 01 35 03.1  +08 15 49                   66651249
    CK09G070 2s2009 04 14.29587 2 +0.00925292 +0.00027450 +0.00053356   66651249
    CK09G070 3S2009 04 14.30421 01 34 52.6  +08 17 18                   66651249
    CK09G070 3s2009 04 14.30421 2 +0.00925240 +0.00027627 +0.00053454   66651249
    CK09G070 2S2009 04 14.31256 01 34 46.8  +08 18 48                   66651249
    CK09G070 2s2009 04 14.31256 2 +0.00925187 +0.00027806 +0.00053553   66651249
    CK09G070 2S2009 04 14.32921 01 34 30.3  +08 21 57                   66651249
    CK09G070 2s2009 04 14.32921 2 +0.00925081 +0.00028161 +0.00053751   66651249
    CK09G070 2S2009 04 14.33754 01 34 22.2  +08 23 28                   66651249
    CK09G070 2s2009 04 14.33754 2 +0.00925028 +0.00028339 +0.00053849   66651249
    CK09G070 2S2009 04 14.35421 01 34 05.3  +08 26 40                   66651249
    CK09G070 2s2009 04 14.35421 2 +0.00924921 +0.00028695 +0.00054047   66651249
    CK09G070 2S2009 04 14.38058 01 33 37.9  +08 31 57                   66651249
    CK09G070 2s2009 04 14.38058 2 +0.00924753 +0.00029258 +0.00054360   66651249

Station data:
(249) SOHO.

Orbital elements:  C/2009 G7
   Perihelion 2009 Apr 14.613642 +/- 0.017 TT = 14:43:38 (JD 2454936.113642)
Epoch 2009 Apr 14.0 TT = JDT 2454935.5   Earth MOID: 0.5128   Find_Orb
M 359.7562 +/- 1.8
n   0.3972153 +/- 1.45              Peri.   61.6483 +/- 0.41
a   1.8328153 +/- 4.18              Node   339.3301 +/- 3.7
e   0.995276 +/- 0.0161             Incl.  138.4282 +/- 0.9
P   2.48/906.29d      U 13.0  
q 0.0086574 +/- 0.00128    Q 3.6569732 +/- 1.46
40 of 42 observations 2009 Apr. 13-14 (21.4 hr); mean residual 12".307.

Residuals in arcseconds:
090413 249 20.4+ 2.40-    090413 249 4.50+ 13.5+    090414 249 7.51+ 5.14+    
090413 249(30.4+  103+)   090413 249 8.70- 4.43-    090414 249 23.4- 25.4-    
090413 249(76.9- 43.5+)   090413 249 10.4+ 2.61-    090414 249 19.1- 9.51+    
090413 249 23.4- 10.0+    090413 249 6.01+ 19.6-    090414 249 9.64- .570+    
090413 249 18.0+ .637+    090413 249 11.9+ 20.9+    090414 249 3.44- 1.53-    
090413 249 7.63- 4.72+    090413 249 4.65+ 19.6-    090414 249 3.35- 2.15-    
090413 249 3.80+ 8.38+    090413 249 14.1- 1.54-    090414 249 9.11+ .870-    
090413 249 .116+ 13.8-    090414 249 18.0+ 10.8-    090414 249 18.0+ 3.61-    
090413 249 7.19- 3.22+    090414 249 11.3+ 10.7+    090414 249 19.5- 2.52-    
090413 249 19.3- .246-    090414 249 2.23+ 9.56-    090414 249 13.9+ 1.65-    
090413 249 23.0+ 12.6-    090414 249 28.5+ 9.05+    090414 249 10.2+ 6.13+    
090413 249 19.9- 5.60+    090414 249 13.1- 4.61-    090414 249 12.1+ 4.60+    
090413 249 13.9- 6.62+    090414 249 21.8- 5.16-    090414 249 8.86+ 7.42+    
090413 249 9.19+ 5.41+    090414 249 24.6- 2.06+    090414 249 2.55+ 13.1+