AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997AJ4 ∴ Observational info
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(23636) 1997AJ4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 13004.9 days
Unobserved 40 days

 

Astrometry summary
Optical
RMS of residuals 0.42
First observation 1988-08-11.522
Last observation 2024-03-20.392
Number (Discarded) 2929 (13)

 

Get the observational details
ASCII file

 

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