(138971) 2001CB21
▹
OBSERVATIONAL INFORMATION
Arc information
| Arc length |
7700 |
days |
| Unobserved |
81 |
days |
Astrometry summary
Optical
| RMS of residuals |
0.441315" |
| First observation |
2001-02-02.47394 |
| Last observation |
2022-03-04.18870 |
| Number (Discarded) |
1847 (13) |
|
Radar
| First observation |
2006-10-02 |
| Last observation |
2006-10-02 |
| Delay (Discarded) |
1 (0) |
| Doppler (Discarded) |
1 (0) |
| Total (Discarded) |
2 (0) |
|
Note. The ASCII file is in a format suitable for OrbFit input.