(433953) 1997XR2
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OBSERVATIONAL INFORMATION
Arc information
| Arc length |
7014 |
days |
| Unobserved |
2620 |
days |
Astrometry summary
Optical
| RMS of residuals |
0.584375 |
| First observation |
1997-12-04.23858 |
| Last observation |
2017-02-16.18913 |
| Number (Discarded) |
427 (4) |
|
Radar
| First observation |
2016-11-16 |
| Last observation |
2016-12-06 |
| Delay (Discarded) |
6 (0) |
| Doppler (Discarded) |
2 (0) |
| Total (Discarded) |
8 (0) |
|
Note. The ASCII file is in a format suitable for OrbFit input.