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AstDyS ∴ Objects ∴ 2007EF221 ∴ Observational info
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(293476) 2007EF221  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7704.07 days
Unobserved 75 days

 

Astrometry summary
Optical
RMS of residuals 0.42
First observation 2003-01-28.250
Last observation 2024-03-02.325
Number (Discarded) 288 (1)

 

Get the observational details
ASCII file

 

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