NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2011UL21 ∴ Observational info
Contact »
(415029) 2011UL21  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 12655 days
Unobserved 3 days

 

Astrometry summary
Optical
RMS of residuals 0.418392
First observation 1989-10-29.40625
Last observation 2024-06-22.89138
Number (Discarded) 1807 (15)

 

Get the observational details
Optical observations (ASCII file)

 

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