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(410777) 2009FD  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 4283 days
Unobserved 315 days

 

Astrometry summary
Optical
RMS of residuals 0.400072"
First observation 2009-02-24.36493
Last observation 2020-11-16.155413
Number (Discarded) 510 (3)
Radar
First observation 2014-04-07
Last observation 2015-11-04
Delay (Discarded) 5 (0)
Doppler (Discarded) 3 (0)
Total (Discarded) 8 (0)

 

Get the observational details
Optical observations (ASCII file)
Radar observations

 

Note. The ASCII file is in a format suitable for OrbFit input.