AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999TD139 ∴ Observational info
Contact »
(121408) 1999TD139  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 8560.96 days
Unobserved 407 days

 

Astrometry summary
Optical
RMS of residuals 0.58
First observation 1999-10-06.306
Last observation 2023-03-15.265
Number (Discarded) 523 (4)

 

Get the observational details
ASCII file

 

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