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AstDyS ∴ Objects ∴ 2001XE221 ∴ Observational info
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(99368) 2001XE221  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8433.93 days
Unobserved 140 days

 

Astrometry summary
Optical
RMS of residuals 0.49
First observation 2000-11-03.148
Last observation 2023-12-07.074
Number (Discarded) 840 (3)

 

Get the observational details
ASCII file

 

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