(438908) 2009XO
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OBSERVATIONAL INFORMATION
Arc information
| Arc length |
3868 |
days |
| Unobserved |
1386 |
days |
Astrometry summary
Optical
| RMS of residuals |
0.398019 |
| First observation |
2009-12-09.15200 |
| Last observation |
2020-07-12.31994 |
| Number (Discarded) |
840 (8) |
|
Radar
| First observation |
2020-05-03 |
| Last observation |
2020-05-07 |
| Delay (Discarded) |
3 (0) |
| Doppler (Discarded) |
1 (0) |
| Total (Discarded) |
4 (0) |
|
Note. The ASCII file is in a format suitable for OrbFit input.