AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997YZ4 ∴ Observational info
Contact »
(31184) 1997YZ4  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 9652.71 days
Unobserved 37 days

 

Astrometry summary
Optical
RMS of residuals 0.47
First observation 1997-12-04.282
Last observation 2024-05-08.994
Number (Discarded) 1645 (9)

 

Get the observational details
ASCII file

 

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