(23187) 2000PN9
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OBSERVATIONAL INFORMATION
Arc information
| Arc length |
12316 |
days |
| Unobserved |
2 |
days |
Astrometry summary
Optical
| RMS of residuals |
0.413057 |
| First observation |
1990-08-02.39583 |
| Last observation |
2024-04-21.469123 |
| Number (Discarded) |
2104 (8) |
|
Radar
| First observation |
2001-03-03 |
| Last observation |
2006-03-07 |
| Delay (Discarded) |
6 (0) |
| Doppler (Discarded) |
2 (0) |
| Total (Discarded) |
8 (0) |
|
Note. The ASCII file is in a format suitable for OrbFit input.