NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1999YN4 ∴ Observational info
Contact »
(18882) 1999YN4  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 25653 days
Unobserved 21 days

 

Astrometry summary
Optical
RMS of residuals 0.376302
First observation 1954-01-04.12014
Last observation 2024-03-30.259667
Number (Discarded) 2938 (7)

 

Get the observational details
Optical observations (ASCII file)

 

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