(414481) 2009PP21
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OBSERVATIONAL INFORMATION
Arc information
Arc length |
8920.09 |
days |
Unobserved |
166 |
days |
Astrometry summary
Optical
RMS of residuals |
0.45 |
First observation |
1999-06-10.257 |
Last observation |
2023-11-11.344 |
Number (Discarded) |
249 (2) |
|
Note: The ASCII file is in a format suitable for OrbFit input.