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(20490) 1999OW2  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 17106.5 days
Unobserved days

 

Astrometry summary
Optical
RMS of residuals 0.44
First observation 1977-07-12.540
Last observation 2024-05-13.030
Number (Discarded) 3067 (227)

 

Get the observational details
ASCII file

 

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