Asteroid: 1999 VL12

Predicted positions for POSS plate A1FN with length of trail in arcsecs. The predictor generates ephemerides for start, midth, and end of trail, along with the predicted magnitude.

     J99V12L   1993 11 09.31944 04 59 16.67 +18 03 05.3          19.2        675
     J99V12L   1993 11 09.33333 04 59 15.59 +18 02 50.7          19.2        675
     J99V12L   1993 11 09.34722 04 59 14.50 +18 02 36.1          19.2        675
                      -30.90"        -29.2"        42.5"

Actually measured positions, only end of trail

Observations:
     J99V12L  P1993 11 09.33333 04 58 33.49 +18 05 24.0 A1FN                 675

Predicted positions for POSS plate A1EX with length of trail in arcsecs.
The predictor generates ephemerides for start, midth, and end of trail, along with
the predicted magnitude.
     J99V12L   1993 10 20.40278 05 16 19.06 +23 13 21.2          19.7        675
     J99V12L   1993 10 20.41841 05 16 18.72 +23 13 08.6          19.7        675
     J99V12L   1993 10 20.43403 05 16 18.37 +23 12 56.1          19.7        675
                       -9.54"        -25.1"        26.9"

Actually measured positions, start and end of trail

Observations:
     J99V12L  P1993 10 20.40278 05 15 43.92 +23 16 21.8 A1EX                 675
     J99V12L  P1993 10 20.43403 05 15 43.21 +23 15 58.4 A1EX                 675
Link to the MPEC which published the improved orbit.

DSS image of 1999 VL12 from November 9, 1993 on POSS plate A1FN

DSS image of 1999 VL12 from October 20, 1993 on POSS plate A1EX