AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998QQ12 ∴ Observational info
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(120854) 1998QQ12  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9018.1 days
Unobserved 394 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 1998-07-31.427
Last observation 2023-04-09.527
Number (Discarded) 1191 (4)

 

Get the observational details
ASCII file

 

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