Asteroid: 1999 FA

Predictions for NEAT frames taken from Skymorph

     for images 980818104955, 980818112016, 980818115027
     J99F00A   1998 08 18.45144 20 42 04.48 +14 09 08.0          18.3        566
     J99F00A   1998 08 18.47251 20 42 02.12 +14 07 57.8          18.3        566
     J99F00A   1998 08 18.49347 20 41 59.77 +14 06 48.0          18.3        566

Actually measured positions.

     J99F00A   1998 08 18.45144 20 42 15.64 +14 09 18.3          18.3        566
     J99F00A   1998 08 18.47251 20 42 12.93 +14 08 07.6                      566
     J99F00A   1998 08 18.49347 20 42 10.26 +14 06 57.0          17.7        566

Predicted positions for UKST plate 02AE with length of trail in arcsecs. The predictor generates ephemerides for start, midth, and end of trail, along with the predicted magnitude.

     J99F00A   1978 10 10.67577 03 58 33.33 -56 01 16.2 02AE     18.3        413
     J99F00A   1978 10 10.70008 03 58 42.14 -56 03 01.8 02AE     18.3        413
     J99F00A   1978 10 10.72438 03 58 50.95 -56 04 47.2 02AE     18.3        413
                      147.68"       -211.0"       257.5"
Actually measured position, only the beginning of the trail could be used.

     J99F00A   1978 10 10.67577 04 15 36.55 -54 17 13.1 02AE                 260

Animation of the three images from NEAT frames on August 18, 1998.

DSS image of 1999 FA from October 10, 1978 on UKST plate 02AE

Link to the MPEC which published the improved orbit.