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AstDyS ∴ Objects ∴ 1998TN21 ∴ Observational info
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(446792) 1998TN21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9096.96 days
Unobserved 241 days

 

Astrometry summary
Optical
RMS of residuals 0.52
First observation 1998-10-13.364
Last observation 2023-09-09.327
Number (Discarded) 187 (0)

 

Get the observational details
ASCII file

 

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