(6491) 1991OA
▹
OBSERVATIONAL INFORMATION
Arc information
Arc length |
11898 |
days |
Unobserved |
344 |
days |
Astrometry summary
Optical
RMS of residuals |
0.596598 |
First observation |
1991-03-18.58486 |
Last observation |
2023-10-14.373049 |
Number (Discarded) |
204 (2) |
|
Note. The ASCII file is in a format suitable for OrbFit input.