Asteroid: 2001 SW169

Predicted positions for POSS plate A2N4 with length of trail in arcsecs. The predictor generates ephemerides for start, midth, and end of trail, along with the predicted magnitude.

     K01SG9W   1998 01 23.31944 07 25 17.01 +34 56 02.0 A2N4     18.5        261
     K01SG9W   1998 01 23.33506 07 25 14.99 +34 55 59.4 A2N4     18.5        261
     K01SG9W   1998 01 23.35069 07 25 12.98 +34 55 56.9 A2N4     18.5        261
                      -49.48"         -5.1"        49.7"

Actually measured positions:

     K01SG9W   1998 01 23.31944 07 25 20.60 +34 55 56.2 A2N4                 261
     K01SG9W   1998 01 23.35069 07 25 16.49 +34 55 50.0 A2N4                 261

DSS image of 2001 SW169 from January 23, 1998 on POSS plate A2N4

Link to the MPEC which published the improved orbit.