(496816) 1989UP
▹
OBSERVATIONAL INFORMATION
Arc information
| Arc length |
12162 |
days |
| Unobserved |
439 |
days |
Astrometry summary
Optical
| RMS of residuals |
0.503197 |
| First observation |
1989-10-27.35742 |
| Last observation |
2023-02-13.161922 |
| Number (Discarded) |
383 (3) |
|
Radar
| First observation |
2017-10-31 |
| Last observation |
2017-10-31 |
| Delay (Discarded) |
1 (1) |
| Doppler (Discarded) |
1 (0) |
| Total (Discarded) |
2 (1) |
|
Note. The ASCII file is in a format suitable for OrbFit input.