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AstDyS ∴ Objects ∴ 2002XQ21 ∴ Observational info
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(90102) 2002XQ21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9333.06 days
Unobserved 38 days

 

Astrometry summary
Optical
RMS of residuals 0.47
First observation 1998-08-29.188
Last observation 2024-03-18.252
Number (Discarded) 1237 (3)

 

Get the observational details
ASCII file

 

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