Asteroid: 2001 MZ7

Predicted positions for UKST plate 02J9 and POSS plate A1YX with length of trail in arcsecs. The predictor generates ephemerides for start, midth, and end of trail, along with the predicted magnitude.

     K01M07Z   1978 10 25.60157 02 48 35.32 -33 02 59.4          17.4        260
     K01M07Z   1978 10 25.62588 02 48 33.52 -33 03 15.6 02J9     17.4        260
     K01M07Z   1978 10 25.65018 02 48 31.71 -33 03 31.8          17.4        260
                       59.44"         11.8"        60.6"

     K01M07Z   1996 06 12.36111 17 20 27.85 +18 21 32.8          16.9        261
     K01M07Z   1996 06 12.39549 17 20 24.91 +18 20 58.2 A1YX     16.9        261
     K01M07Z   1996 06 12.42986 17 20 21.97 +18 20 23.5          16.9        261
                      -83.65"        -69.3"       108.6"

Predictions for NEAT frames taken from Skymorph, after orbit improvement,
based on the above DSS plates.(?)

     K01M07Z   1998 02 25.23952 03 55 36.35 +06 19 47.9          17.4        566
     K01M07Z   1998 02 25.22921 03 55 35.11 +06 19 28.7          17.4        566
     K01M07Z   1998 02 25.21921 03 55 33.91 +06 19 10.2          17.4        566

Actually measured positions:

     K01M07Z   1978 10 25.60157 02 58 12.39 -32 25 51.3 02J9                 260
     K01M07Z   1978 10 25.65018 02 58 08.79 -32 26 26.5 02J9                 260
     K01M07Z   1996 06 12.36111 17 21 50.70 +18 10 12.8 A1YX                 261
     K01M07Z   1996 06 12.42986 17 21 44.62 +18 09 03.3 A1YX                 261
     K01M07Z  C1998 02 25.21909 03 55 39.63 +06 20 13.9 NEAT     17.1 V      566
     K01M07Z  C1998 02 25.22910 03 55 40.82 +06 20 31.5 NEAT     17.4 V      566
     K01M07Z  C1998 02 25.23918 03 55 42.04 +06 20 52.0 NEAT     17.3 V      566

DSS image of 2001 MZ7 from October 25, 1978 on UKST plate 02J9

DSS image of 2001 MZ7 from June 12, 1996 on POSS plate A1YX

Animation of the three images from NEAT frames on February 25, 1998.

Link to the MPEC which published the improved orbit. Additional precovery positions were subsequently identified at the MPC (see MPEC).