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(271480) 2004FX31  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 11369 days
Unobserved 49 days

 

Astrometry summary
Optical
RMS of residuals 0.420141"
First observation 1990-06-22.19861
Last observation 2021-08-07.301731
Number (Discarded) 1380 (2)
Radar
First observation 2021-03-11
Last observation 2021-03-11
Delay (Discarded) 1 (0)
Doppler (Discarded) 1 (0)
Total (Discarded) 2 (0)

 

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

 

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