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AstDyS ∴ Objects ∴ 2000SQ257 ∴ Observational info
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(87870) 2000SQ257  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 11712.8 days
Unobserved 140 days

 

Astrometry summary
Optical
RMS of residuals 0.53
First observation 1991-11-12.314
Last observation 2023-12-07.120
Number (Discarded) 780 (8)

 

Get the observational details
ASCII file

 

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