Asteroid: 1997 GH28

Predicted positions for POSS plate A2GD with length of trail in arcsecs and pixel. The predictor generates ephemerides for start, midth, and end of trail, along with the predicted magnitude. 

     J97G28H   1997 03 13.35278 10 31 14.75 +12 18 28.1 A2GD     18.1        675
     J97G28H   1997 03 13.36840 10 31 14.03 +12 18 18.9 A2GD     18.1        675
     J97G28H   1997 03 13.38403 10 31 13.31 +12 18 09.6 A2GD     18.1        675
                      -21.09"        -18.5"        28.1"

Actually measured positions, start and end of trail 

     J97G28H  P1997 03 13.35278 10 31 12.19 +12 18 28.2 A2GD                 675
     J97G28H  P1997 03 13.38403 10 31 10.66 +12 18 10.4 A2GD                 675
Predicted positions for POSS plate A0FO with length of trail in arcsecs and pixel. The predictor generates ephemerides for start, midth, and end of trail, along with the predicted magnitude. 
     J97G28H   1993 10 09.26458 00 49 29.97 +12 18 14.7 A0FO     18.4        675
     J97G28H   1993 10 09.28368 00 49 28.31 +12 18 16.3 A0FO     18.4        675
     J97G28H   1993 10 09.30277 00 49 26.64 +12 18 17.9 A0FO     18.4        675
                      -48.80"          3.3"        48.9"

Actually measured positions, start and end of trail 

     J97G28H  P1993 10 09.26458 01 03 28.88 +14 18 03.7 A0FO                 675
     J97G28H  P1993 10 09.30277 01 03 25.56 +14 18 08.8 A0FO                 675
Link to the M.P.E.C. which published the improved orbit.

DSS image of 1997 GH28 from March 13, 1997 on POSS plate A2GD

DSS image of 1997 GH28 from October 9, 1993 on POSS plate A0F0