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AstDyS ∴ Objects ∴ 2000QD4 ∴ Observational info
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(61393) 2000QD4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9007.87 days
Unobserved 149 days

 

Astrometry summary
Optical
RMS of residuals 0.50
First observation 1999-04-09.249
Last observation 2023-12-07.122
Number (Discarded) 1256 (2)

 

Get the observational details
ASCII file

 

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