AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001YN4 ∴ Observational info
Contact »
(156371) 2001YN4  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 8581.18 days
Unobserved 41 days

 

Astrometry summary
Optical
RMS of residuals 0.43
First observation 2000-09-20.241
Last observation 2024-03-19.422
Number (Discarded) 1270 (2)

 

Get the observational details
ASCII file

 

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