(21374) 1997WS22
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OBSERVATIONAL INFORMATION
Arc information
Arc length |
18113 |
days |
Unobserved |
1 |
days |
Astrometry summary
Optical
RMS of residuals |
0.471519 |
First observation |
1974-09-22.70006 |
Last observation |
2024-04-25.619605 |
Number (Discarded) |
1551 (3) |
|
Radar
First observation |
2014-05-07 |
Last observation |
2014-05-07 |
Delay (Discarded) |
1 (0) |
Doppler (Discarded) |
0 (0) |
Total (Discarded) |
1 (0) |
|
Note. The ASCII file is in a format suitable for OrbFit input.