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AstDyS ∴ Objects ∴ 1998HG147 ∴ Observational info
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(20356) 1998HG147  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 25051.6 days
Unobserved 279 days

 

Astrometry summary
Optical
RMS of residuals 0.37
First observation 1954-12-22.377
Last observation 2023-07-25.016
Number (Discarded) 2893 (6)

 

Get the observational details
ASCII file

 

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