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AstDyS ∴ Objects ∴ 1997WJ4 ∴ Observational info
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(185696) 1997WJ4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9649.04 days
Unobserved 55 days

 

Astrometry summary
Optical
RMS of residuals 0.50
First observation 1997-11-20.244
Last observation 2024-04-21.280
Number (Discarded) 818 (26)

 

Get the observational details
ASCII file

 

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