"Pseudo-MPEC" for C/2009 W7

Created Tue Jun 4 14:50:22 2013 using Find_Orb

Astrometry:
    CK09W070 3S2009 11 22.67921 15 47 00.1  -22 52 01                   70617249
    CK09W070 3s2009 11 22.67921 2 -0.00167015 -0.00821060 -0.00302558   70617249
    CK09W070 3S2009 11 22.69587 15 47 23.6  -22 47 54           x       70617249
    CK09W070 3s2009 11 22.69587 2 -0.00166581 -0.00821202 -0.00302655   70617249
    CK09W070 3S2009 11 22.84587 15 49 32.4  -22 25 17                   70617249
    CK09W070 3s2009 11 22.84587 2 -0.00162686 -0.00822466 -0.00303521   70617249
    CK09W070 3S2009 11 22.86254 15 49 55.2  -22 23 18                   70617249
    CK09W070 3s2009 11 22.86254 2 -0.00162254 -0.00822605 -0.00303617   70617249
    CK09W070 3S2009 11 22.88780 15 50 17.9  -22 18 51                   70617249
    CK09W070 3s2009 11 22.88780 2 -0.00161599 -0.00822816 -0.00303762   70617249
    CK09W070 3S2009 11 22.90421 15 50 31.3  -22 16 24                   70617249
    CK09W070 3s2009 11 22.90421 2 -0.00161173 -0.00822953 -0.00303856   70617249
    CK09W070 3S2009 11 22.92921 15 50 51.1  -22 12 02                   70617249
    CK09W070 3s2009 11 22.92921 2 -0.00160525 -0.00823160 -0.00304000   70617249
    CK09W070 3S2009 11 22.97097 15 51 36.3  -22 04 12                   70617249
    CK09W070 3s2009 11 22.97097 2 -0.00159442 -0.00823507 -0.00304239   70617249
    CK09W070 2S2009 11 23.02088 15 52 21.4  -21 54 44                   70617249
    CK09W070 2s2009 11 23.02088 2 -0.00158148 -0.00823919 -0.00304524   70617249
    CK09W070 2S2009 11 23.03754 15 52 36.9  -21 51 39                   70617249
    CK09W070 2s2009 11 23.03754 2 -0.00157716 -0.00824056 -0.00304619   70617249
    CK09W070 2S2009 11 23.06366 15 53 00.8  -21 46 31                   70617249
    CK09W070 2s2009 11 23.06366 2 -0.00157039 -0.00824270 -0.00304768   70617249
    CK09W070 2S2009 11 23.07921 15 53 14.9  -21 43 32                   70617249
    CK09W070 2s2009 11 23.07921 2 -0.00156636 -0.00824397 -0.00304857   70617249
    CK09W070 2S2009 11 23.08754 15 53 22.7  -21 41 58                   70617249
    CK09W070 2s2009 11 23.08754 2 -0.00156421 -0.00824465 -0.00304904   70617249
    CK09W070 2S2009 11 23.10421 15 53 37.9  -21 38 28                   70617249
    CK09W070 2s2009 11 23.10421 2 -0.00155989 -0.00824602 -0.00304999   70617249
    CK09W070 2S2009 11 23.13061 15 54 01.6  -21 33 02                   70617249
    CK09W070 2s2009 11 23.13061 2 -0.00155306 -0.00824817 -0.00305149   70617249
    CK09W070 2S2009 11 23.14587 15 54 16.1  -21 29 48                   70617249
    CK09W070 2s2009 11 23.14587 2 -0.00154911 -0.00824941 -0.00305236   70617249
    CK09W070 2S2009 11 23.16254 15 54 29.4  -21 26 26                   70617249
    CK09W070 2s2009 11 23.16254 2 -0.00154479 -0.00825077 -0.00305331   70617249

Station data:
(249) SOHO.

Orbital elements:  C/2009 W7
   Perihelion 2009 Nov 23.405625 +/- 0.0165 TT;  Constraint: e=1
Epoch 2009 Nov 23.0 TT = JDT 2455158.5   Earth MOID: 0.5588   Find_Orb
q839955.187 +/- 65457
                                    Peri.   83.80488 +/- 4.3
                                    Node     6.20961 +/- 6
e   1.0 +/- 0                       Incl.  144.10381 +/- 1.0
16 of 17 observations 2009 Nov. 22-23 (11.6 hr); mean residual 21".315.

Residuals in arcseconds:
091122 249 6.06- 10.0+    091122 249 48.8- 25.7-    091123 249 3.58+ .455+    
091122 249( 103+  105+)   091122 249 36.0+ 1.63-    091123 249 .214+ 7.04+    
091122 249 57.5- 31.0+    091123 249 14.3+ 13.5+    091123 249 8.88- 2.70+    
091122 249 42.1+ 16.7-    091123 249 13.6+ 8.50+    091123 249 1.93- .719+    
091122 249 28.8+ 5.63-    091123 249 7.57+ 12.5+    091123 249 28.7- 16.0-    
091122 249 1.39+ 27.2-    091123 249 2.62+ 6.71+