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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001PA21 ∴ Observational info
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(193805) 2001PA21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9037.93 days
Unobserved 309 days

 

Astrometry summary
Optical
RMS of residuals 0.53
First observation 1998-09-25.300
Last observation 2023-06-24.229
Number (Discarded) 777 (2)

 

Get the observational details
ASCII file

 

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