AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999XR12 ∴ Observational info
Contact »
(159439) 1999XR12  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 8835.12 days
Unobserved 77 days

 

Astrometry summary
Optical
RMS of residuals 0.49
First observation 1999-12-05.216
Last observation 2024-02-12.339
Number (Discarded) 660 (7)

 

Get the observational details
ASCII file

 

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