NEODyS-2

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(168378) 1997ET30  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 11217 days
Unobserved 439 days

 

Astrometry summary
Optical
RMS of residuals 0.504000"
First observation 1988-09-14.40174
Last observation 2019-06-01.21607
Number (Discarded) 979 (0)

 

Get the observational details
Optical observations (ASCII file)

 

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