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(251346) 2007SJ  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 11293 days
Unobserved 6 days

 

Astrometry summary
Optical
RMS of residuals 0.386939"
First observation 1990-10-14.20139
Last observation 2021-09-14.190932
Number (Discarded) 979 (0)
Radar
First observation 2014-01-18
Last observation 2014-01-19
Delay (Discarded) 2 (0)
Doppler (Discarded) 0 (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.