AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Westerlund ∴ Observational info
Contact »
(2902) Westerlund  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 20067.1 days
Unobserved 265 days

 

Astrometry summary
Optical
RMS of residuals 0.43
First observation 1968-10-23.960
Last observation 2023-10-03.056
Number (Discarded) 3856 (48)

 

Get the observational details
ASCII file

 

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