AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999XD261 ∴ Observational info
Contact »
(222156) 1999XD261  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 8591.82 days
Unobserved 339 days

 

Astrometry summary
Optical
RMS of residuals 0.46
First observation 1999-11-12.370
Last observation 2023-05-22.187
Number (Discarded) 628 (1)

 

Get the observational details
ASCII file

 

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