AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Heyuan ∴ Observational info
Contact »
(3746) Heyuan  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 32314.5 days
Unobserved 41 days

 

Astrometry summary
Optical
RMS of residuals 0.46
First observation 1935-09-28.907
Last observation 2024-03-19.422
Number (Discarded) 2899 (34)

 

Get the observational details
ASCII file

 

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