(1580) Betulia
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OBSERVATIONAL INFORMATION
Arc information
| Arc length |
26963 |
days |
| Unobserved |
33 |
days |
Astrometry summary
Optical
| RMS of residuals |
0.533373 |
| First observation |
1950-05-22.92905 |
| Last observation |
2024-03-18.276336 |
| Number (Discarded) |
1648 (14) |
|
Radar
| First observation |
1976-05-18 |
| Last observation |
2002-06-03 |
| Delay (Discarded) |
6 (0) |
| Doppler (Discarded) |
7 (0) |
| Total (Discarded) |
13 (0) |
|
Note. The ASCII file is in a format suitable for OrbFit input.