2009DR3
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OBSERVATIONAL INFORMATION
Arc information
| Arc length |
4231 |
days |
| Unobserved |
1321 |
days |
Astrometry summary
Optical
| RMS of residuals |
0.366180 |
| First observation |
2009-02-14.24787 |
| Last observation |
2020-09-15.323443 |
| Number (Discarded) |
251 (0) |
|
Radar
| First observation |
2009-03-15 |
| Last observation |
2009-03-15 |
| Delay (Discarded) |
1 (0) |
| Doppler (Discarded) |
1 (0) |
| Total (Discarded) |
2 (0) |
|
Note. The ASCII file is in a format suitable for OrbFit input.