AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001QJ159 ∴ Observational info
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(228442) 2001QJ159  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8493.09 days
Unobserved 296 days

 

Astrometry summary
Optical
RMS of residuals 0.53
First observation 2000-04-05.260
Last observation 2023-07-07.354
Number (Discarded) 356 (1)

 

Get the observational details
ASCII file

 

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