1989AZ
▹
OBSERVATIONAL INFORMATION
Arc information
| Arc length |
12496 |
days |
| Unobserved |
393 |
days |
Astrometry summary
Optical
| RMS of residuals |
0.602291 |
| First observation |
1989-01-08.49496 |
| Last observation |
2023-03-27.416900 |
| Number (Discarded) |
139 (0) |
|
Radar
| First observation |
2008-01-04 |
| Last observation |
2008-01-04 |
| Delay (Discarded) |
0 (0) |
| Doppler (Discarded) |
1 (0) |
| Total (Discarded) |
1 (0) |
|
Note. The ASCII file is in a format suitable for OrbFit input.