(477162) 2009ES
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OBSERVATIONAL INFORMATION
Arc information
Arc length |
4368 |
days |
Unobserved |
1321 |
days |
Astrometry summary
Optical
RMS of residuals |
0.538679 |
First observation |
2009-03-02.21182 |
Last observation |
2021-02-15.418376 |
Number (Discarded) |
173 (0) |
|
Radar
First observation |
2016-09-10 |
Last observation |
2016-09-11 |
Delay (Discarded) |
1 (0) |
Doppler (Discarded) |
1 (0) |
Total (Discarded) |
2 (0) |
|
Note. The ASCII file is in a format suitable for OrbFit input.