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(471240) 2011BT15  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 4650 days
Unobserved 467 days

 

Astrometry summary
Optical
RMS of residuals 1.028550"
First observation 2007-07-30.274387
Last observation 2020-04-22.32266
Number (Discarded) 240 (19)
Radar
First observation 2013-12-28
Last observation 2013-12-28
Delay (Discarded) 3 (0)
Doppler (Discarded) 0 (0)
Total (Discarded) 3 (0)

 

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

 

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