AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009AK21 ∴ Observational info
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(392016) 2009AK21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 5207.11 days
Unobserved 399 days

 

Astrometry summary
Optical
RMS of residuals 0.47
First observation 2008-12-22.187
Last observation 2023-03-26.293
Number (Discarded) 227 (1)

 

Get the observational details
ASCII file

 

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