AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2017DH39 ∴ Observational info
Contact »
(657938) 2017DH39  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 5847.12 days
Unobserved 1228 days

 

Astrometry summary
Optical
RMS of residuals 0.42
First observation 2004-12-12.131
Last observation 2020-12-15.247
Number (Discarded) 173 (1)

 

Get the observational details
ASCII file

 

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