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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2000ER91 ∴ Observational info
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OBSERVATIONAL INFORMATION
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Arc information
Arc length 9617.09 days
Unobserved 57 days

 

Astrometry summary
Optical
RMS of residuals 0.50
First observation 1997-10-30.158
Last observation 2024-02-28.252
Number (Discarded) 2126 (102)

 

Get the observational details
ASCII file

 

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