AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009XP21 ∴ Observational info
Contact »
(336659) 2009XP21  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 7405.97 days
Unobserved 122 days

 

Astrometry summary
Optical
RMS of residuals 0.45
First observation 2003-09-22.288
Last observation 2024-01-01.259
Number (Discarded) 462 (0)

 

Get the observational details
ASCII file

 

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