(6178) 1986DA
▹
OBSERVATIONAL INFORMATION
Arc information
| Arc length |
15796 |
days |
| Unobserved |
288 |
days |
Astrometry summary
Optical
| RMS of residuals |
0.460627" |
| First observation |
1977-07-17.67267 |
| Last observation |
2020-10-15.28420 |
| Number (Discarded) |
1069 (2) |
|
Radar
| First observation |
1986-04-19 |
| Last observation |
1986-04-21 |
| Delay (Discarded) |
1 (0) |
| Doppler (Discarded) |
1 (0) |
| Total (Discarded) |
2 (0) |
|
Note. The ASCII file is in a format suitable for OrbFit input.