AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998YU9 ∴ Observational info
Contact »
(23971) 1998YU9  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 15217.7 days
Unobserved days

 

Astrometry summary
Optical
RMS of residuals 0.40
First observation 1982-07-20.645
Last observation 2024-03-19.291
Number (Discarded) 2954 (11)

 

Get the observational details
ASCII file

 

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