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AstDyS ∴ Objects ∴ 2007TR21 ∴ Observational info
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(456739) 2007TR21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8200.36 days
Unobserved 433 days

 

Astrometry summary
Optical
RMS of residuals 0.57
First observation 2000-09-05.425
Last observation 2023-02-17.787
Number (Discarded) 247 (0)

 

Get the observational details
ASCII file

 

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