AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997GR4 ∴ Observational info
Contact »
(164678) 1997GR4  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 11217.8 days
Unobserved 145 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 1993-03-21.302
Last observation 2023-12-07.119
Number (Discarded) 509 (1)

 

Get the observational details
ASCII file

 

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