(54855) 2001OA21
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OBSERVATIONAL INFORMATION
Arc information
Arc length |
11472.2 |
days |
Unobserved |
289 |
days |
Astrometry summary
Optical
RMS of residuals |
0.84 |
First observation |
1992-03-09.160 |
Last observation |
2023-08-06.337 |
Number (Discarded) |
2335 (266) |
|
Note: The ASCII file is in a format suitable for OrbFit input.