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AstDyS ∴ Objects ∴ 2001RH21 ∴ Observational info
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(139810) 2001RH21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9328.95 days
Unobserved 321 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 1997-12-03.364
Last observation 2023-06-19.313
Number (Discarded) 485 (6)

 

Get the observational details
ASCII file

 

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