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AstDyS ∴ Objects ∴ 2001QQ138 ∴ Observational info
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(57274) 2001QQ138  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 11603.2 days
Unobserved 144 days

 

Astrometry summary
Optical
RMS of residuals 0.45
First observation 1992-02-29.161
Last observation 2023-12-06.321
Number (Discarded) 1367 (6)

 

Get the observational details
ASCII file

 

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