AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998YW21 ∴ Observational info
Contact »
(129736) 1998YW21  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 9157.64 days
Unobserved 109 days

 

Astrometry summary
Optical
RMS of residuals 0.65
First observation 1998-12-14.496
Last observation 2024-01-10.136
Number (Discarded) 1070 (163)

 

Get the observational details
ASCII file

 

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