"Pseudo-MPEC" for C/1989 S1

Created Tue Jul 9 22:42:44 2013 using Find_Orb

• Astrometry
• Observing stations
• Orbital elements
• Residuals
• Ephemeris
• Click here to search NEAT images for this object using Skymorph
• Click here to search DSS2 images for this object using Skymorph
• Click here to search Spacewatch images for this object using Skymorph

Astrometry:
    CJ89S010  A1989 09 28.696   12 15.88    -02 27.0                    15287500
    CJ89S010  A1989 09 28.713   12 16.48    -02 27.0                    15287500
    CJ89S010  A1989 09 28.724   12 16.92    -02 25.9                    15287500
    CJ89S010  A1989 09 28.760   12 18.33    -02 23.5                    15287500
    CJ89S010  A1989 09 28.771   12 18.69    -02 23.3                    15287500
    CJ89S010  A1989 09 28.776   12 18.91    -02 22.6                    15287500
    CJ89S010  A1989 09 28.788   12 19.47    -02 21.6                    15287500

Station data:
(500) Geocentric.

Orbital elements:  C/1989 S1
   Perihelion 1989 Sep 28.858781 TT;  Constraint: e=1
Epoch 1989 Sep 29.0 TT = JDT 2447798.5   Earth MOID: 0.5048   Find_Orb
q792894.965km   
                   Peri.   81.62352
                   Node     5.51039
e   1.0            Incl.  147.49077
From 7 observations 1989 Sept. 28 (2.2 hr); mean residual 22".167.

Residuals in arcseconds:
890928 500 5.15- 24.9+    890928 500 40.6+ 12.1+    890928 500 21.1+ 11.5+    
890928 500 13.2- 30.0-    890928 500 37.2- 19.4-    
890928 500 19.2+ .964-    890928 500 25.5- 2.23+