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AstDyS ∴ Objects ∴ 2001QD221 ∴ Observational info
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(317023) 2001QD221  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8649.12 days
Unobserved 117 days

 

Astrometry summary
Optical
RMS of residuals 0.50
First observation 2000-04-28.313
Last observation 2024-01-02.429
Number (Discarded) 638 (1)

 

Get the observational details
ASCII file

 

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