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AstDyS ∴ Objects ∴ 1997WN28 ∴ Observational info
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(136840) 1997WN28  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 11698 days
Unobserved 320 days

 

Astrometry summary
Optical
RMS of residuals 0.52
First observation 1991-06-03.250
Last observation 2023-06-13.287
Number (Discarded) 975 (39)

 

Get the observational details
ASCII file

 

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