AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2017HP40 ∴ Observational info
Contact »
(639683) 2017HP40  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 9482.02 days
Unobserved 195 days

 

Astrometry summary
Optical
RMS of residuals 0.49
First observation 1997-10-27.246
Last observation 2023-10-13.268
Number (Discarded) 184 (2)

 

Get the observational details
ASCII file

 

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