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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2000BT31 ∴ Observational info
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(257759) 2000BT31  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9890.02 days
Unobserved 288 days

 

Astrometry summary
Optical
RMS of residuals 0.52
First observation 1996-06-17.316
Last observation 2023-07-16.333
Number (Discarded) 612 (1)

 

Get the observational details
ASCII file

 

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