(101955) Bennu
▹
OBSERVATIONAL INFORMATION
Arc information
Arc length |
6821 |
days |
Unobserved |
2144 |
days |
Astrometry summary
Optical
RMS of residuals |
0.402449 |
First observation |
1999-09-11.40624 |
Last observation |
2018-05-15.78855 |
Number (Discarded) |
589 (8) |
|
Radar
First observation |
1999-09-21 |
Last observation |
2011-09-29 |
Delay (Discarded) |
22 (0) |
Doppler (Discarded) |
7 (0) |
Total (Discarded) |
29 (0) |
|
Note. The ASCII file is in a format suitable for OrbFit input.