AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2012QR21 ∴ Observational info
Contact »
(500298) 2012QR21  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 8116.13 days
Unobserved 168 days

 

Astrometry summary
Optical
RMS of residuals 0.58
First observation 2001-08-24.243
Last observation 2023-11-13.377
Number (Discarded) 224 (1)

 

Get the observational details
ASCII file

 

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