(457663) 2009DN1
▹
OBSERVATIONAL INFORMATION
Arc information
Arc length |
12107 |
days |
Unobserved |
222 |
days |
Astrometry summary
Optical
RMS of residuals |
0.489391 |
First observation |
1990-08-20.23889 |
Last observation |
2023-10-13.321833 |
Number (Discarded) |
192 (1) |
|
Note. The ASCII file is in a format suitable for OrbFit input.