AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2000ER57 ∴ Observational info
Contact »
(25840) 2000ER57  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 18038.7 days
Unobserved 100 days

 

Astrometry summary
Optical
RMS of residuals 0.47
First observation 1974-09-19.920
Last observation 2024-02-08.655
Number (Discarded) 2448 (9)

 

Get the observational details
ASCII file

 

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