(251722) 1997US2
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OBSERVATIONAL INFORMATION
Arc information
Arc length |
9551 |
days |
Unobserved |
129 |
days |
Astrometry summary
Optical
RMS of residuals |
0.711645 |
First observation |
1997-10-23.42903 |
Last observation |
2023-12-17.74739 |
Number (Discarded) |
267 (7) |
|
Note. The ASCII file is in a format suitable for OrbFit input.