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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998FJ74 ∴ Observational info
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(612057) 1998FJ74  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7912.92 days
Unobserved 1621 days

 

Astrometry summary
Optical
RMS of residuals 0.68
First observation 1998-03-31.380
Last observation 2019-11-29.299
Number (Discarded) 157 (4)

 

Get the observational details
ASCII file

 

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