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AstDyS ∴ Objects ∴ 1999ER7 ∴ Observational info
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(306458) 1999ER7  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9325.99 days
Unobserved 351 days

 

Astrometry summary
Optical
RMS of residuals 0.56
First observation 1997-11-06.172
Last observation 2023-05-20.159
Number (Discarded) 1121 (5)

 

Get the observational details
ASCII file

 

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