AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009SF21 ∴ Observational info
Contact »
(243461) 2009SF21  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 8733.08 days
Unobserved 125 days

 

Astrometry summary
Optical
RMS of residuals 0.52
First observation 2000-02-05.179
Last observation 2024-01-03.263
Number (Discarded) 235 (6)

 

Get the observational details
ASCII file

 

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