AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001HE61 ∴ Observational info
Contact »
(77533) 2001HE61  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 9126.03 days
Unobserved 176 days

 

Astrometry summary
Optical
RMS of residuals 0.57
First observation 1998-11-15.155
Last observation 2023-11-10.180
Number (Discarded) 619 (8)

 

Get the observational details
ASCII file

 

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