(25520) Deronchang
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OBSERVATIONAL INFORMATION
Arc information
Arc length |
15642.4 |
days |
Unobserved |
289 |
days |
Astrometry summary
Optical
RMS of residuals |
0.54 |
First observation |
1980-09-13.458 |
Last observation |
2023-07-12.855 |
Number (Discarded) |
2596 (286) |
|
Note: The ASCII file is in a format suitable for OrbFit input.