NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1997US2 ∴ Observational info
Contact »
(251722) 1997US2  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 9551 days
Unobserved 121 days

 

Astrometry summary
Optical
RMS of residuals 0.711645
First observation 1997-10-23.42903
Last observation 2023-12-17.74739
Number (Discarded) 267 (7)

 

Get the observational details
Optical observations (ASCII file)

 

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