NEODyS-2

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(251722) 1997US2  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 5748 days
Unobserved 2384 days

 

Astrometry summary
Optical
RMS of residuals 0.704186"
First observation 1997-10-23.42903
Last observation 2013-07-19.45049
Number (Discarded) 175 (3)

 

Get the observational details
Optical observations (ASCII file)

 

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