"Pseudo-MPEC" for C/2009 Y13

Created Sat May 25 14:54:34 2013 using Find_Orb

Astrometry:
    CK09Y130 3S2009 12 26.26255 18 30 50.1  -28 36 54                   71510249
    CK09Y130 3s2009 12 26.26255 2 +0.00490680 -0.00846950 -0.00406749   71510249
    CK09Y130 3S2009 12 26.27921 18 30 45.6  -28 32 39                   71510249
    CK09Y130 3s2009 12 26.27921 2 +0.00490874 -0.00846882 -0.00406764   71510249
    CK09Y130 3S2009 12 26.32089 18 30 53.8  -28 26 08                   71510249
    CK09Y130 3s2009 12 26.32089 2 +0.00491357 -0.00846713 -0.00406802   71510249
    CK09Y130 3S2009 12 26.36254 18 31 02.9  -28 19 36                   71510249
    CK09Y130 3s2009 12 26.36254 2 +0.00491839 -0.00846544 -0.00406839   71510249
    CK09Y130 3S2009 12 26.44745 18 31 12.7  -28 04 17                   71510249
    CK09Y130 3s2009 12 26.44745 2 +0.00492819 -0.00846200 -0.00406916   71510249
    CK09Y130 3S2009 12 26.47087 18 31 12.5  -28 01 02                   71510249
    CK09Y130 3s2009 12 26.47087 2 +0.00493088 -0.00846105 -0.00406937   71510249
    CK09Y130 3S2009 12 26.48755 18 31 21.2  -27 59 29                   71510249
    CK09Y130 3s2009 12 26.48755 2 +0.00493280 -0.00846037 -0.00406952   71510249
    CK09Y130 3S2009 12 26.51254 18 31 22.9  -27 55 31                   71510249
    CK09Y130 3s2009 12 26.51254 2 +0.00493567 -0.00845936 -0.00406974   71510249
    CK09Y130 3S2009 12 26.52921 18 31 25.1  -27 51 38                   71510249
    CK09Y130 3s2009 12 26.52921 2 +0.00493758 -0.00845868 -0.00406989   71510249
    CK09Y130 3S2009 12 26.57087 18 31 26.3  -27 44 05                   71510249
    CK09Y130 3s2009 12 26.57087 2 +0.00494235 -0.00845699 -0.00407027   71510249
    CK09Y130 3S2009 12 26.59587 18 31 27.9  -27 40 26                   71510249
    CK09Y130 3s2009 12 26.59587 2 +0.00494521 -0.00845598 -0.00407049   71510249
    CK09Y130 3S2009 12 26.63770 18 31 35.4  -27 32 30                   71510249
    CK09Y130 3s2009 12 26.63770 2 +0.00494998 -0.00845428 -0.00407086   71510249
    CK09Y130 3S2009 12 26.65422 18 31 38.5  -27 29 48                   71510249
    CK09Y130 3s2009 12 26.65422 2 +0.00495186 -0.00845361 -0.00407101   71510249
    CK09Y130 3S2009 12 26.67921 18 31 37.3  -27 25 56                   71510249
    CK09Y130 3s2009 12 26.67921 2 +0.00495470 -0.00845260 -0.00407123   71510249
    CK09Y130 3S2009 12 26.69587 18 31 42.6  -27 23 09                   71510249
    CK09Y130 3s2009 12 26.69587 2 +0.00495660 -0.00845192 -0.00407138   71510249
    CK09Y130 3S2009 12 26.72087 18 31 41.6  -27 18 09                   71510249
    CK09Y130 3s2009 12 26.72087 2 +0.00495944 -0.00845090 -0.00407160   71510249
    CK09Y130 3S2009 12 26.73754 18 31 43.2  -27 15 20                   71510249
    CK09Y130 3s2009 12 26.73754 2 +0.00496133 -0.00845023 -0.00407175   71510249
    CK09Y130 3S2009 12 26.76254 18 31 47.7  -27 11 20                   71510249
    CK09Y130 3s2009 12 26.76254 2 +0.00496416 -0.00844921 -0.00407198   71510249
    CK09Y130 3S2009 12 26.77921 18 31 48.6  -27 07 39                   71510249
    CK09Y130 3s2009 12 26.77921 2 +0.00496604 -0.00844854 -0.00407212   71510249
    CK09Y130 3S2009 12 26.82089 18 31 50.3  -27 01 07                   71510249
    CK09Y130 3s2009 12 26.82089 2 +0.00497075 -0.00844685 -0.00407249   71510249
    CK09Y130 3S2009 12 26.84587 18 31 51.7  -26 56 09                   71510249
    CK09Y130 3s2009 12 26.84587 2 +0.00497357 -0.00844583 -0.00407272   71510249
    CK09Y130 3S2009 12 26.86254 18 31 51.6  -26 53 09                   71510249
    CK09Y130 3s2009 12 26.86254 2 +0.00497545 -0.00844516 -0.00407286   71510249
    CK09Y130 3S2009 12 26.90421 18 31 56.5  -26 45 22                   71510249
    CK09Y130 3s2009 12 26.90421 2 +0.00498014 -0.00844347 -0.00407323   71510249
    CK09Y130 3S2009 12 26.92921 18 31 56.2  -26 40 46                   71510249
    CK09Y130 3s2009 12 26.92921 2 +0.00498295 -0.00844245 -0.00407346   71510249
    CK09Y130 3S2009 12 26.97096 18 31 58.0  -26 32 34                   71510249
    CK09Y130 3s2009 12 26.97096 2 +0.00498763 -0.00844076 -0.00407383   71510249
    CK09Y130 3S2009 12 26.98754 18 31 58.4  -26 29 49                   71510249
    CK09Y130 3s2009 12 26.98754 2 +0.00498948 -0.00844009 -0.00407397   71510249
    CK09Y130 3S2009 12 27.01254 18 31 58.8  -26 25 09                   71510249
    CK09Y130 3s2009 12 27.01254 2 +0.00499228 -0.00843908 -0.00407419   71510249
    CK09Y130 3S2009 12 27.02921 18 31 58.5  -26 21 50                   71510249
    CK09Y130 3s2009 12 27.02921 2 +0.00499414 -0.00843840 -0.00407434   71510249
    CK09Y130 3S2009 12 27.07087 18 31 59.9  -26 14 11                   71510249
    CK09Y130 3s2009 12 27.07087 2 +0.00499879 -0.00843671 -0.00407471   71510249
    CK09Y130 3S2009 12 27.09589 18 32 01.1  -26 09 20                   71510249
    CK09Y130 3s2009 12 27.09589 2 +0.00500157 -0.00843570 -0.00407493   71510249
    CK09Y130 3S2009 12 27.11256 18 32 01.8  -26 06 28                   71510249
    CK09Y130 3s2009 12 27.11256 2 +0.00500343 -0.00843502 -0.00407508   71510249
    CK09Y130 3S2009 12 27.13754 18 32 01.3  -26 01 38                   71511249
    CK09Y130 3s2009 12 27.13754 2 +0.00500620 -0.00843401 -0.00407530   71511249
    CK09Y130 3S2009 12 27.15421 18 31 59.7  -25 58 08                   71511249
    CK09Y130 3s2009 12 27.15421 2 +0.00500805 -0.00843334 -0.00407545   71511249
    CK09Y130 3S2009 12 27.17921 18 32 01.7  -25 53 16                   71511249
    CK09Y130 3s2009 12 27.17921 2 +0.00501082 -0.00843232 -0.00407567   71511249
    CK09Y130 3S2009 12 27.22097 18 31 59.0  -25 45 05                   71511249
    CK09Y130 3s2009 12 27.22097 2 +0.00501544 -0.00843063 -0.00407603   71511249
    CK09Y130 3S2009 12 27.23754 18 31 59.5  -25 42 03                   71511249
    CK09Y130 3s2009 12 27.23754 2 +0.00501727 -0.00842996 -0.00407618   71511249
    CK09Y130 3S2009 12 27.26254 18 31 56.5  -25 37 07                   71511249
    CK09Y130 3s2009 12 27.26254 2 +0.00502003 -0.00842895 -0.00407640   71511249
    CK09Y130 3S2009 12 27.27921 18 31 56.7  -25 33 20                   71511249
    CK09Y130 3s2009 12 27.27921 2 +0.00502187 -0.00842828 -0.00407655   71511249
    CK09Y130 3S2009 12 27.32088 18 31 53.7  -25 24 56                   71511249
    CK09Y130 3s2009 12 27.32088 2 +0.00502645 -0.00842659 -0.00407691   71511249
    CK09Y130 3S2009 12 27.34587 18 31 51.7  -25 20 02                   71511249
    CK09Y130 3s2009 12 27.34587 2 +0.00502920 -0.00842558 -0.00407713   71511249
    CK09Y130 3S2009 12 27.36254 18 31 49.5  -25 16 08                   71511249
    CK09Y130 3s2009 12 27.36254 2 +0.00503103 -0.00842490 -0.00407728   71511249
    CK09Y130 3S2009 12 27.38770 18 31 48.2  -25 11 01                   71511249
    CK09Y130 3s2009 12 27.38770 2 +0.00503379 -0.00842389 -0.00407750   71511249
    CK09Y130 3S2009 12 27.40422 18 31 46.3  -25 07 22                   71511249
    CK09Y130 3s2009 12 27.40422 2 +0.00503560 -0.00842322 -0.00407765   71511249
    CK09Y130 3S2009 12 27.43303 18 31 39.6  -25 01 33                   71511249
    CK09Y130 3s2009 12 27.43303 2 +0.00503875 -0.00842205 -0.00407790   71511249
    CK09Y130 2S2009 12 27.57921 18 31 10.0  -24 27 37                   71511249
    CK09Y130 2s2009 12 27.57921 2 +0.00505467 -0.00841615 -0.00407918   71511249
    CK09Y130 2S2009 12 27.58754 18 31 07.3  -24 25 34                   71511249
    CK09Y130 2s2009 12 27.58754 2 +0.00505557 -0.00841581 -0.00407925   71511249
    CK09Y130 2S2009 12 27.60422 18 31 02.1  -24 21 27                   71511249
    CK09Y130 2s2009 12 27.60422 2 +0.00505738 -0.00841514 -0.00407940   71511249
    CK09Y130 2S2009 12 27.63060 18 30 52.3  -24 14 43                   71511249
    CK09Y130 2s2009 12 27.63060 2 +0.00506023 -0.00841408 -0.00407963   71511249
    CK09Y130 2S2009 12 27.64587 18 30 46.2  -24 11 00                   71511249
    CK09Y130 2s2009 12 27.64587 2 +0.00506188 -0.00841346 -0.00407976   71511249
    CK09Y130 2S2009 12 27.66254 18 30 38.7  -24 06 33                   71511249
    CK09Y130 2s2009 12 27.66254 2 +0.00506368 -0.00841279 -0.00407991   71511249
    CK09Y130 2S2009 12 27.67087 18 30 33.8  -24 04 11                   71511249
    CK09Y130 2s2009 12 27.67087 2 +0.00506458 -0.00841245 -0.00407998   71511249
    CK09Y130 2S2009 12 27.68754 18 30 25.4  -23 59 36                   71511249
    CK09Y130 2s2009 12 27.68754 2 +0.00506638 -0.00841178 -0.00408013   71511249
    CK09Y130 2S2009 12 27.70421 18 30 17.6  -23 55 25                   71511249
    CK09Y130 2s2009 12 27.70421 2 +0.00506818 -0.00841111 -0.00408027   71511249

Station data:
(249) SOHO.

Orbital elements:  C/2009 Y13
   Perihelion 2009 Dec 27.865714 +/- 0.00228 TT = 20:46:37 (JD 2455193.365714)
Epoch 2009 Dec 27.0 TT = JDT 2455192.5   Earth MOID: 0.5925   Find_Orb
M 358.9042 +/- 0.44
n   1.2657633 +/- 0.673             Peri.   90.5992 +/- 2.8
a   0.8463844 +/- 0.306             Node    11.1418 +/- 2.7
e   0.994130 +/- 0.00205            Incl.  142.6764 +/- 0.7
P   0.78/284.41d      U 12.5  
q 743137.51 +/- 24144    Q 1.6878014 +/- 3.18
From 53 observations 2009 Dec. 26-27 (34.6 hr); mean residual 21".355.

Residuals in arcseconds:
091226 249 35.5+ 40.0-    091226 249 19.1+ 16.9+    091227 249 12.8- 12.6-    
091226 249 56.2- 49.6+    091226 249 1.08+ 37.6-    091227 249 2.73+ 11.4+    
091226 249 27.5- 25.6+    091226 249 2.59- 8.92-    091227 249 1.73+ 1.92+    
091226 249 15.9+ .850+    091226 249 18.0- 9.40-    091227 249 3.98+ 16.5-    
091226 249 2.69- 63.8+    091226 249 15.8+ 3.67+    091227 249 3.73- 7.13+    
091226 249 44.2- 21.1+    091226 249 5.05- 5.37+    091227 249 16.1+ 6.59-    
091226 249 44.0+ 55.7-    091226 249 4.85- 35.8+    091227 249 17.9+ .387-    
091226 249 26.8+ 72.7-    091226 249 7.49- 16.2+    091227 249 19.2- 27.0-    
091226 249 30.1+ 10.4-    091227 249 12.5- 16.5+    091227 249 4.19+ 5.15-    
091226 249 16.4- 14.5+    091227 249 22.3- 27.9+    091227 249 1.91+ 3.72-    
091226 249 31.2- 24.7-    091227 249 13.7- 14.7+    091227 249 4.59+ 2.90-    
091226 249 11.0+ 17.1+    091227 249 .538- 19.4+    091227 249 .853+ 3.66+    
091226 249 30.5+ 6.80+    091227 249 8.25+ .443-    091227 249 1.52+ 8.38-    
091226 249 17.4- 22.7-    091227 249 2.69+ .258+    091227 249 .844- 2.57-    
091226 249 32.7+ 30.6-    091227 249 16.6- 16.0+    091227 249 14.1- 6.98+    
091226 249 10.3- 6.04+    091227 249 16.1+ 14.6+    091227 249 13.2- 12.7+    
091226 249 8.04- 1.22-    091227 249 4.16- 10.1+    091227 249 8.49+ 11.6-    
091226 249 24.6+ 26.5-    091227 249 11.5+ 6.54-