(251722) 1997US2
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OBSERVATIONAL INFORMATION
Arc information
Arc length |
5748 |
days |
Unobserved |
3608 |
days |
Astrometry summary
Optical
RMS of residuals |
0.704186 |
First observation |
1997-10-23.42903 |
Last observation |
2013-07-19.45049 |
Number (Discarded) |
175 (3) |
|
Note. The ASCII file is in a format suitable for OrbFit input.