(21374) 1997WS22
▹
OBSERVATIONAL INFORMATION
Arc information
Arc length |
18082 |
days |
Unobserved |
3 |
days |
Astrometry summary
Optical
RMS of residuals |
0.474933 |
First observation |
1974-09-22.70006 |
Last observation |
2024-03-25.582780 |
Number (Discarded) |
1524 (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.