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(89136) 2001US16  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 6969 days
Unobserved 257 days

 

Astrometry summary
Optical
RMS of residuals 0.465348"
First observation 2001-10-18.40211
Last observation 2020-11-16.33773
Number (Discarded) 1289 (8)
Radar
First observation 2004-04-28
Last observation 2004-04-29
Delay (Discarded) 2 (0)
Doppler (Discarded) 2 (0)
Total (Discarded) 4 (0)

 

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

 

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