(9691) Zwaan
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OBSERVATIONAL INFORMATION
Arc information
Arc length |
23120.8 |
days |
Unobserved |
115 |
days |
Astrometry summary
Optical
RMS of residuals |
0.45 |
First observation |
1960-09-24.311 |
Last observation |
2024-01-13.088 |
Number (Discarded) |
2020 (13) |
|
Note: The ASCII file is in a format suitable for OrbFit input.