AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2004JH21 ∴ Observational info
Contact »
(164210) 2004JH21  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 9580.23 days
Unobserved 149 days

 

Astrometry summary
Optical
RMS of residuals 0.49
First observation 1997-10-23.225
Last observation 2024-01-15.457
Number (Discarded) 724 (4)

 

Get the observational details
ASCII file

 

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