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(153349) 2001PJ9  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 6270 days
Unobserved 643 days

 

Astrometry summary
Optical
RMS of residuals 0.412609"
First observation 2001-08-05.39059
Last observation 2018-10-05.19325
Number (Discarded) 403 (1)
Radar
First observation 2013-07-06
Last observation 2013-07-17
Delay (Discarded) 0 (0)
Doppler (Discarded) 2 (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.