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(139574) 2001QR90  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 12232.8 days
Unobserved 40 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 1990-09-21.509
Last observation 2024-03-19.291
Number (Discarded) 705 (3)

 

Get the observational details
ASCII file

 

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