AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2004XP21 ∴ Observational info
Contact »
(198464) 2004XP21  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 8736.99 days
Unobserved 142 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 2000-01-03.244
Last observation 2023-12-05.232
Number (Discarded) 917 (59)

 

Get the observational details
ASCII file

 

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