(537690) 2015ST21
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OBSERVATIONAL INFORMATION
Arc information
Arc length |
5031.06 |
days |
Unobserved |
449 |
days |
Astrometry summary
Optical
RMS of residuals |
0.59 |
First observation |
2009-09-18.525 |
Last observation |
2023-06-28.582 |
Number (Discarded) |
91 (1) |
|
Note: The ASCII file is in a format suitable for OrbFit input.