(312518) 2009DU31
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OBSERVATIONAL INFORMATION
Arc information
Arc length |
9160.57 |
days |
Unobserved |
400 |
days |
Astrometry summary
Optical
RMS of residuals |
0.60 |
First observation |
1998-01-23.166 |
Last observation |
2023-02-21.735 |
Number (Discarded) |
287 (3) |
|
Note: The ASCII file is in a format suitable for OrbFit input.