AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Lena ∴ Observational info
Contact »
(789) Lena  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 40081.5 days
Unobserved 36 days

 

Astrometry summary
Optical
RMS of residuals 0.62
First observation 1914-06-24.898
Last observation 2024-03-20.405
Number (Discarded) 6271 (70)

 

Get the observational details
ASCII file

 

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