(419865) 2011AR21
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OBSERVATIONAL INFORMATION
Arc information
Arc length |
8232.04 |
days |
Unobserved |
957 |
days |
Astrometry summary
Optical
RMS of residuals |
0.47 |
First observation |
1999-03-22.224 |
Last observation |
2021-10-04.266 |
Number (Discarded) |
140 (0) |
|
Note: The ASCII file is in a format suitable for OrbFit input.