(420591) 2012HF31
▹
OBSERVATIONAL INFORMATION
Arc information
| Arc length |
8380 |
days |
| Unobserved |
473 |
days |
Astrometry summary
Optical
| RMS of residuals |
0.447154 |
| First observation |
2000-02-12.411496 |
| Last observation |
2023-01-22.489640 |
| Number (Discarded) |
168 (0) |
|
Radar
| First observation |
2018-08-09 |
| Last observation |
2018-08-13 |
| Delay (Discarded) |
0 (0) |
| Doppler (Discarded) |
2 (0) |
| Total (Discarded) |
2 (0) |
|
Note. The ASCII file is in a format suitable for OrbFit input.