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AstDyS ∴ Objects ∴ 1990UR4 ∴ Observational info
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(16511) 1990UR4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 15217.7 days
Unobserved 36 days

 

Astrometry summary
Optical
RMS of residuals 0.83
First observation 1982-07-22.614
Last observation 2024-03-21.347
Number (Discarded) 3405 (649)

 

Get the observational details
ASCII file

 

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