(5645) 1990SP
▹
OBSERVATIONAL INFORMATION
Arc information
| Arc length |
18146 |
days |
| Unobserved |
2 |
days |
Astrometry summary
Optical
| RMS of residuals |
0.470054 |
| First observation |
1974-08-13.42215 |
| Last observation |
2024-04-18.332230 |
| Number (Discarded) |
1527 (3) |
|
Radar
| First observation |
2020-10-15 |
| Last observation |
2020-10-15 |
| Delay (Discarded) |
0 (0) |
| Doppler (Discarded) |
1 (0) |
| Total (Discarded) |
1 (0) |
|
Note. The ASCII file is in a format suitable for OrbFit input.