"Pseudo-MPEC" for C/2007 Y5

Created Sat May 25 16:18:18 2013 using Find_Orb

Astrometry:
    CK07Y050 3S2007 12 22.57089 18 13 51.3  -28 24 41                   61943249
    CK07Y050 3s2007 12 22.57089 2 +0.00394376 -0.00799153 -0.00319735   61943249
    CK07Y050 3S2007 12 22.59589 18 13 57.0  -28 20 04                   61943249
    CK07Y050 3s2007 12 22.59589 2 +0.00394924 -0.00799038 -0.00319757   61943249
    CK07Y050 3S2007 12 22.61255 18 14 00.1  -28 17 41                   61943249
    CK07Y050 3s2007 12 22.61255 2 +0.00395289 -0.00798961 -0.00319771   61943249
    CK07Y050 3S2007 12 22.65447 18 14 04.0  -28 10 17                   61943249
    CK07Y050 3s2007 12 22.65447 2 +0.00396207 -0.00798766 -0.00319808   61943249
    CK07Y050 3S2007 12 22.67922 18 14 08.2  -28 07 11                   61943249
    CK07Y050 3s2007 12 22.67922 2 +0.00396748 -0.00798651 -0.00319830   61943249
    CK07Y050 3S2007 12 22.69588 18 14 10.5  -28 03 10                   61943249
    CK07Y050 3s2007 12 22.69588 2 +0.00397112 -0.00798574 -0.00319845   61943249
    CK07Y050 3S2007 12 22.72089 18 14 10.5  -27 58 59                   61943249
    CK07Y050 3s2007 12 22.72089 2 +0.00397658 -0.00798458 -0.00319867   61943249
    CK07Y050 3S2007 12 22.76255 18 14 16.0  -27 51 08                   61943249
    CK07Y050 3s2007 12 22.76255 2 +0.00398568 -0.00798264 -0.00319903   61943249
    CK07Y050 3S2007 12 22.77922 18 14 20.5  -27 49 03                   61943249
    CK07Y050 3s2007 12 22.77922 2 +0.00398931 -0.00798186 -0.00319918   61943249
    CK07Y050 3S2007 12 22.82115 18 14 23.7  -27 41 41                   61943249
    CK07Y050 3s2007 12 22.82115 2 +0.00399845 -0.00797990 -0.00319955   61943249
    CK07Y050 3S2007 12 22.84589 18 14 25.9  -27 36 36                   61943249
    CK07Y050 3s2007 12 22.84589 2 +0.00400383 -0.00797875 -0.00319976   61943249
    CK07Y050 3S2007 12 22.86255 18 14 27.6  -27 34 45                   61943249
    CK07Y050 3s2007 12 22.86255 2 +0.00400746 -0.00797797 -0.00319991   61943249
    CK07Y050 3S2007 12 22.88783 18 14 28.6  -27 29 43                   61943249
    CK07Y050 3s2007 12 22.88783 2 +0.00401295 -0.00797678 -0.00320013   61943249
    CK07Y050 3S2007 12 22.90422 18 14 27.7  -27 25 48                   61943249
    CK07Y050 3s2007 12 22.90422 2 +0.00401651 -0.00797602 -0.00320027   61943249
    CK07Y050 3S2007 12 22.92922 18 14 32.4  -27 22 38                   61943249
    CK07Y050 3s2007 12 22.92922 2 +0.00402194 -0.00797484 -0.00320049   61943249
    CK07Y050 3S2007 12 22.97097 18 14 37.4  -27 15 13                   61943249
    CK07Y050 3s2007 12 22.97097 2 +0.00403101 -0.00797288 -0.00320085   61943249
    CK07Y050 3S2007 12 22.98756 18 14 37.8  -27 12 08                   61943249
    CK07Y050 3s2007 12 22.98756 2 +0.00403460 -0.00797210 -0.00320100   61943249
    CK07Y050 3S2007 12 23.01255 18 14 38.1  -27 07 18                   61943249
    CK07Y050 3s2007 12 23.01255 2 +0.00404002 -0.00797093 -0.00320122   61943249
    CK07Y050 3S2007 12 23.02922 18 14 39.1  -27 04 32                   61943249
    CK07Y050 3s2007 12 23.02922 2 +0.00404363 -0.00797014 -0.00320136   61943249
    CK07Y050 3S2007 12 23.07089 18 14 42.6  -26 56 34                   61943249
    CK07Y050 3s2007 12 23.07089 2 +0.00405264 -0.00796818 -0.00320172   61943249
    CK07Y050 3S2007 12 23.09588 18 14 42.7  -26 51 22                   61944249
    CK07Y050 3s2007 12 23.09588 2 +0.00405805 -0.00796700 -0.00320194   61944249
    CK07Y050 3S2007 12 23.11255 18 14 43.7  -26 48 32                   61944249
    CK07Y050 3s2007 12 23.11255 2 +0.00406165 -0.00796621 -0.00320208   61944249
    CK07Y050 3S2007 12 23.13755 18 14 44.2  -26 44 02                   61944249
    CK07Y050 3s2007 12 23.13755 2 +0.00406705 -0.00796503 -0.00320230   61944249
    CK07Y050 3S2007 12 23.15447 18 14 43.6  -26 40 29                   61944249
    CK07Y050 3s2007 12 23.15447 2 +0.00407070 -0.00796423 -0.00320245   61944249
    CK07Y050 3S2007 12 23.17922 18 14 44.6  -26 35 59                   61944249
    CK07Y050 3s2007 12 23.17922 2 +0.00407604 -0.00796306 -0.00320266   61944249
    CK07Y050 3S2007 12 23.22122 18 14 47.1  -26 28 10                   61944249
    CK07Y050 3s2007 12 23.22122 2 +0.00408510 -0.00796107 -0.00320303   61944249
    CK07Y050 3S2007 12 23.23755 18 14 45.6  -26 24 55                   61944249
    CK07Y050 3s2007 12 23.23755 2 +0.00408861 -0.00796030 -0.00320317   61944249
    CK07Y050 3S2007 12 23.26255 18 14 46.2  -26 19 42                   61944249
    CK07Y050 3s2007 12 23.26255 2 +0.00409399 -0.00795911 -0.00320338   61944249
    CK07Y050 3S2007 12 23.27922 18 14 45.6  -26 16 58                   61944249
    CK07Y050 3s2007 12 23.27922 2 +0.00409758 -0.00795832 -0.00320353   61944249
    CK07Y050 3S2007 12 23.32088 18 14 44.7  -26 08 45                   61944249
    CK07Y050 3s2007 12 23.32088 2 +0.00410654 -0.00795634 -0.00320389   61944249
    CK07Y050 3S2007 12 23.34588 18 14 44.8  -26 03 38                   61944249
    CK07Y050 3s2007 12 23.34588 2 +0.00411190 -0.00795515 -0.00320410   61944249
    CK07Y050 3S2007 12 23.36255 18 14 43.5  -26 00 27                   61944249
    CK07Y050 3s2007 12 23.36255 2 +0.00411548 -0.00795435 -0.00320425   61944249
    CK07Y050 3S2007 12 23.38771 18 14 41.0  -25 54 44                   61944249
    CK07Y050 3s2007 12 23.38771 2 +0.00412088 -0.00795315 -0.00320446   61944249
    CK07Y050 3S2007 12 23.40422 18 14 38.3  -25 51 51                   61944249
    CK07Y050 3s2007 12 23.40422 2 +0.00412442 -0.00795236 -0.00320460   61944249
    CK07Y050 3S2007 12 23.43306 18 14 38.0  -25 45 55                   61944249
    CK07Y050 3s2007 12 23.43306 2 +0.00413060 -0.00795099 -0.00320485   61944249
    CK07Y050 3S2007 12 23.47097 18 14 35.4  -25 37 59                   61944249
    CK07Y050 3s2007 12 23.47097 2 +0.00413872 -0.00794917 -0.00320518   61944249
    CK07Y050 3S2007 12 23.48755 18 14 32.3  -25 34 27                   61944249
    CK07Y050 3s2007 12 23.48755 2 +0.00414226 -0.00794838 -0.00320532   61944249
    CK07Y050 3S2007 12 23.51255 18 14 27.4  -25 29 20                   61944249
    CK07Y050 3s2007 12 23.51255 2 +0.00414761 -0.00794718 -0.00320554   61944249
    CK07Y050 3S2007 12 23.52922 18 14 26.5  -25 25 23                   61944249
    CK07Y050 3s2007 12 23.52922 2 +0.00415117 -0.00794638 -0.00320568   61944249
    CK07Y050 5S2007 12 23.55756 19 50 07.6  -22 50 03                   67913C49
    CK07Y050 5s2007 12 23.55756 2 -0.34575967 -0.08023134 -0.03701907   67913C49
    CK07Y050 3S2007 12 23.57089 18 14 21.3  -25 16 01                   61944249
    CK07Y050 3s2007 12 23.57089 2 +0.00416007 -0.00794438 -0.00320604   61944249
    CK07Y050 5S2007 12 23.57839 19 49 52.6  -22 46 07                   67913C49
    CK07Y050 5s2007 12 23.57839 2 -0.34573208 -0.08034899 -0.03707026   67913C49
    CK07Y050 3S2007 12 23.59588 18 14 16.9  -25 11 18                   61944249
    CK07Y050 3s2007 12 23.59588 2 +0.00416540 -0.00794318 -0.00320625   61944249
    CK07Y050 5S2007 12 23.59922 19 49 30.0  -22 41 49           x       67913C49
    CK07Y050 5s2007 12 23.59922 2 -0.34570443 -0.08046665 -0.03712146   67913C49
    CK07Y050 3S2007 12 23.61257 18 14 12.3  -25 07 12                   61944249
    CK07Y050 3s2007 12 23.61257 2 +0.00416896 -0.00794238 -0.00320639   61944249
    CK07Y050 3S2007 12 23.63774 18 14 06.0  -25 01 33                   61944249
    CK07Y050 3s2007 12 23.63774 2 +0.00417432 -0.00794117 -0.00320661   61944249
    CK07Y050 5S2007 12 23.64089 19 49 04.1  -22 33 55                   67913C49
    CK07Y050 5s2007 12 23.64089 2 -0.34564900 -0.08070194 -0.03722385   67913C49
    CK07Y050 3S2007 12 23.65423 18 14 04.0  -24 58 40                   61944249
    CK07Y050 3s2007 12 23.65423 2 +0.00417783 -0.00794038 -0.00320675   61944249
    CK07Y050 3S2007 12 23.67922 18 13 54.8  -24 52 21                   61944249
    CK07Y050 3s2007 12 23.67922 2 +0.00418316 -0.00793917 -0.00320696   61944249
    CK07Y050 5S2007 12 23.68256 19 48 31.1  -22 25 56                   67913C49
    CK07Y050 5s2007 12 23.68256 2 -0.34559337 -0.08093721 -0.03732622   67913C49
    CK07Y050 3S2007 12 23.69588 18 13 50.9  -24 47 53                   61944249
    CK07Y050 3s2007 12 23.69588 2 +0.00418670 -0.00793837 -0.00320711   61944249
    CK07Y050 5S2007 12 23.70339 19 48 14.5  -22 21 55                   67913C49
    CK07Y050 5s2007 12 23.70339 2 -0.34556548 -0.08105484 -0.03737741   67913C49
    CK07Y050 3S2007 12 23.72089 18 13 44.0  -24 42 18                   61944249
    CK07Y050 3s2007 12 23.72089 2 +0.00419202 -0.00793717 -0.00320732   61944249
    CK07Y050 5S2007 12 23.72422 19 47 54.5  -22 17 49                   67913C49
    CK07Y050 5s2007 12 23.72422 2 -0.34553754 -0.08117246 -0.03742859   67913C49
    CK07Y050 3S2007 12 23.73755 18 13 36.7  -24 38 19                   61944249
    CK07Y050 3s2007 12 23.73755 2 +0.00419556 -0.00793636 -0.00320746   61944249
    CK07Y050 5S2007 12 23.74506 19 47 33.8  -22 12 47                   67913C49
    CK07Y050 5s2007 12 23.74506 2 -0.34550955 -0.08129008 -0.03747977   67913C49
    CK07Y050 3S2007 12 23.76255 18 13 28.8  -24 32 00                   61944249
    CK07Y050 3s2007 12 23.76255 2 +0.00420087 -0.00793515 -0.00320767   61944249
    CK07Y050 5S2007 12 23.76589 19 47 16.5  -22 08 41                   67913C49
    CK07Y050 5s2007 12 23.76589 2 -0.34548152 -0.08140770 -0.03753095   67913C49
    CK07Y050 3S2007 12 23.77922 18 13 21.6  -24 28 13                   61944249
    CK07Y050 3s2007 12 23.77922 2 +0.00420441 -0.00793435 -0.00320782   61944249
    CK07Y050 5S2007 12 23.78672 19 46 52.8  -22 04 25                   67913C49
    CK07Y050 5s2007 12 23.78672 2 -0.34545343 -0.08152531 -0.03758213   67913C49
    CK07Y050 5S2007 12 23.80756 19 46 31.4  -21 59 55                   67913C49
    CK07Y050 5s2007 12 23.80756 2 -0.34542529 -0.08164291 -0.03763330   67913C49
    CK07Y050 3S2007 12 23.82089 18 13 07.5  -24 17 06                   61944249
    CK07Y050 3s2007 12 23.82089 2 +0.00421325 -0.00793233 -0.00320817   61944249
    CK07Y050 3S2007 12 23.84589 18 12 43.6  -24 09 59                   61944249
    CK07Y050 3s2007 12 23.84589 2 +0.00421855 -0.00793112 -0.00320838   61944249

Station data:
(249) SOHO.
(C49) STEREO-A.

Orbital elements:  C/2007 Y5
   Perihelion 2007 Dec 24.065738 +/- 0.000232 TT =  1:34:39 (JD 2454458.565738)
Epoch 2007 Dec 23.0 TT = JDT 2454457.5   Earth MOID: 0.5497   Find_Orb
M 359.3401 +/- 0.18
n   0.6191059 +/- 0.253             Peri.   78.0313 +/- 0.8
a   1.3634087 +/- 0.365             Node   356.4980 +/- 0.53
e   0.993183 +/- 0.00185            Incl.  143.0032 +/- 0.22
P   1.59/581.47d      U 11.8  
q 0.0092934 +/- 0.000108    Q 2.7175239 +/- 17.8
62 of 63 observations 2007 Dec. 22-23 (30.6 hr); mean residual 19".415.

Residuals in arcseconds:
071222 249 27.8- 7.07+    071223 249 5.41+ 5.84+    071223 249 11.4+ 7.52-    
071222 249 2.36+ 28.4+    071223 249 1.54+ 5.39-    071223 C49(95.2- 18.1+)   
071222 249 13.9+ .567+    071223 249 12.3- 16.3+    071223 249 5.98- 14.9+    
071222 249 6.13- 13.0+    071223 249 5.51- 4.97+    071223 249 16.9- 12.7+    
071222 249 8.77+ 56.9-    071223 249 22.6+ 7.63-    071223 C49 14.6- 8.67+    
071222 249 12.5+ 11.3+    071223 249 2.34+ 1.38-    071223 249 9.50+ 40.7-    
071222 249 26.4- 2.09+    071223 249 12.6+ 21.0+    071223 249 26.6- 9.23-    
071222 249 15.5- 37.5+    071223 249 7.59+ 10.1-    071223 C49 1.60- 6.06-    
071222 249 20.4+ 12.5-    071223 249 9.20+ 8.78-    071223 249 14.6- 23.8+    
071222 249 6.04+ 12.9-    071223 249 23.2+ .027-    071223 C49 16.7+ 16.1-    
071222 249 3.63+ 29.6+    071223 249 16.0+ 9.30-    071223 249 1.37- .921+    
071222 249 5.76+ 36.7-    071223 249 1.05+ 29.2+    071223 C49 2.28- 24.2-    
071222 249 10.7- 4.86-    071223 249 21.0- .932+    071223 249 22.5- 2.20-    
071222 249 41.1- 54.4+    071223 249 4.51+ 2.29+    071223 C49 19.9- 20.3+    
071222 249 5.24- 24.8-    071223 249 17.2+ 5.92+    071223 249 .850- 7.44+    
071222 249 20.6+ 32.1-    071223 249 .411- 8.98+    071223 C49 21.7+ 5.54+    
071222 249 11.1+ 27.8-    071223 249 25.7- 1.96-    071223 249 4.08- 16.2-    
071223 249 5.78- 11.2-    071223 249 7.50- 21.0+    071223 C49 12.1- 2.91-    
071223 249 5.28- 28.4-    071223 C49 12.4+ 1.82-    071223 C49 1.43+ 1.37-    
071223 249 13.2+ 11.2-    071223 249 9.71+ 40.5+    071223 249 77.3+ 7.60+    
071223 249 .320+ 22.4+    071223 C49 8.13+ 1.76-    071223 249 55.2- 35.8+