1998SD9
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OBSERVATIONAL INFORMATION
Arc information
Arc length |
7302 |
days |
Unobserved |
2022 |
days |
Astrometry summary
Optical
RMS of residuals |
6.841340 |
First observation |
1998-09-18.32769 |
Last observation |
2018-09-15.249984 |
Number (Discarded) |
149 (5) |
|
Radar
First observation |
2018-08-30 |
Last observation |
2018-08-30 |
Delay (Discarded) |
1 (0) |
Doppler (Discarded) |
0 (0) |
Total (Discarded) |
1 (0) |
|
Note. The ASCII file is in a format suitable for OrbFit input.