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AstDyS ∴ Objects ∴ 2001KW21 ∴ Observational info
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(171843) 2001KW21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8294.67 days
Unobserved 89 days

 

Astrometry summary
Optical
RMS of residuals 0.57
First observation 2001-05-15.452
Last observation 2024-01-30.118
Number (Discarded) 818 (1)

 

Get the observational details
ASCII file

 

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