AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998HS121 ∴ Observational info
Contact »
(42676) 1998HS121  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 9453.2 days
Unobserved 53 days

 

Astrometry summary
Optical
RMS of residuals 0.53
First observation 1998-04-23.348
Last observation 2024-03-10.549
Number (Discarded) 1180 (15)

 

Get the observational details
ASCII file

 

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