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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2003TN20 ∴ Observational info
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(201658) 2003TN20  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7698.88 days
Unobserved 777 days

 

Astrometry summary
Optical
RMS of residuals 0.47
First observation 2001-04-01.284
Last observation 2022-04-30.163
Number (Discarded) 916 (5)

 

Get the observational details
ASCII file

 

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