AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Sirona ∴ Observational info
Contact »
(116) Sirona  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 55191.4 days
Unobserved 84 days

 

Astrometry summary
Optical
RMS of residuals 0.48
First observation 1872-12-23.855
Last observation 2024-02-02.243
Number (Discarded) 4110 (76)

 

Get the observational details
ASCII file

 

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