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(5645) 1990SP  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 18196 days
Unobserved 10 days

 

Astrometry summary
Optical
RMS of residuals 0.478016
First observation 1974-08-13.42215
Last observation 2024-06-07.302502
Number (Discarded) 1659 (4)
Radar
First observation 2020-10-15
Last observation 2020-10-15
Delay (Discarded) 0 (0)
Doppler (Discarded) 1 (0)
Total (Discarded) 1 (0)

 

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

 

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