AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Effertz ∴ Observational info
Contact »
(8789) Effertz  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 16593.9 days
Unobserved 64 days

 

Astrometry summary
Optical
RMS of residuals 0.45
First observation 1978-11-05.320
Last observation 2024-04-11.241
Number (Discarded) 1939 (15)

 

Get the observational details
ASCII file

 

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