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AstDyS ∴ Objects ∴ 2001BR61 ∴ Observational info
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(138950) 2001BR61  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8181.83 days
Unobserved 313 days

 

Astrometry summary
Optical
RMS of residuals 0.83
First observation 2001-01-21.382
Last observation 2023-06-17.216
Number (Discarded) 1552 (330)

 

Get the observational details
ASCII file

 

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