Asteroid: 1999 HV1

Predicted positions for UKST plate A0BM with length of trail in arcsecs. The predictor generates ephemerides for start, midth, and end of trail, along with the predicted magnitude. 

     J99H01V   1991 09 13.18403 20 29 02.93 +02 33 38.4 A0BM     16.9        261
     J99H01V   1991 09 13.20660 20 29 08.61 +02 33 19.1 A0BM     16.9        261
     J99H01V   1991 09 13.22917 20 29 14.29 +02 32 59.8 A0BM     16.9        261
                      170.20"        -38.7"       174.5"
Actually measured positions. 

     J99H01V   1991 09 04.15556 19 34 08.81 +02 59 32.5                      261
     J99H01V   1991 09 04.19722 19 34 18.70 +02 59 02.3                      261

Predicted positions for POSS plate A2PB with length of trail in arcsecs. 

     J99H01V   1995 05 31.46447 14 12 36.20 -07 15 06.7 A2PB     19.8        260
     J99H01V   1995 05 31.49225 14 12 34.73 -07 14 51.5 A2PB     19.8        260
     J99H01V   1995 05 31.52003 14 12 33.26 -07 14 36.3 A2PB     19.8        260
                      -43.67"         30.3"        53.2"
Actually measured positions. 

     J99H01V   1995 05 31.46445 14 12 36.48 -07 15 04.0                      260
     J99H01V   1995 05 31.52001 14 12 33.28 -07 14 33.0                      260

DSS image of 1999 HV1 from September 13, 1991 on UKST plate A0BM

DSS image of 1999 HV1 from May 31, 1995 on POSS plate A2PB

Link to the MPEC which published the improved orbit.