(471240) 2011BT15
▹
OBSERVATIONAL INFORMATION
Arc information
Arc length |
5748 |
days |
Unobserved |
511 |
days |
Astrometry summary
Optical
RMS of residuals |
1.023220 |
First observation |
2007-07-30.274387 |
Last observation |
2023-04-25.28841 |
Number (Discarded) |
243 (19) |
|
Radar
First observation |
2013-12-28 |
Last observation |
2013-12-28 |
Delay (Discarded) |
3 (0) |
Doppler (Discarded) |
0 (0) |
Total (Discarded) |
3 (0) |
|
Note. The ASCII file is in a format suitable for OrbFit input.