(251952) 1999XM91
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OBSERVATIONAL INFORMATION
Arc information
Arc length |
8617.9 |
days |
Unobserved |
292 |
days |
Astrometry summary
Optical
RMS of residuals |
0.51 |
First observation |
1999-12-04.408 |
Last observation |
2023-07-09.309 |
Number (Discarded) |
620 (3) |
|
Note: The ASCII file is in a format suitable for OrbFit input.