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Asteroids - Dynamic Site
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(39777) 1997HE  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9787.73 days
Unobserved 74 days

 

Astrometry summary
Optical
RMS of residuals 0.47
First observation 1997-04-27.146
Last observation 2024-02-12.879
Number (Discarded) 2051 (154)

 

Get the observational details
ASCII file

 

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