(162000) 1990OS
▹
OBSERVATIONAL INFORMATION
Arc information
Arc length |
12258 |
days |
Unobserved |
224 |
days |
Astrometry summary
Optical
RMS of residuals |
0.475788 |
First observation |
1990-07-21.41111 |
Last observation |
2024-02-11.22619 |
Number (Discarded) |
421 (3) |
|
Radar
First observation |
1990-08-02 |
Last observation |
2003-11-12 |
Delay (Discarded) |
5 (0) |
Doppler (Discarded) |
4 (0) |
Total (Discarded) |
9 (0) |
|
Note. The ASCII file is in a format suitable for OrbFit input.