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AstDyS ∴ Objects ∴ 1981UA23 ∴ Observational info
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(15221) 1981UA23  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 15192.7 days
Unobserved 331 days

 

Astrometry summary
Optical
RMS of residuals 0.50
First observation 1981-10-24.436
Last observation 2023-05-30.161
Number (Discarded) 1902 (8)

 

Get the observational details
ASCII file

 

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