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AstDyS ∴ Objects ∴ 1998XX4 ∴ Observational info
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(49381) 1998XX4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9125.13 days
Unobserved 145 days

 

Astrometry summary
Optical
RMS of residuals 0.87
First observation 1998-12-12.699
Last observation 2023-12-06.824
Number (Discarded) 4009 (443)

 

Get the observational details
ASCII file

 

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