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AstDyS ∴ Objects ∴ 1999XZ253 ∴ Observational info
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(189492) 1999XZ253  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8627.01 days
Unobserved 704 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 1998-10-12.294
Last observation 2022-05-26.299
Number (Discarded) 736 (36)

 

Get the observational details
ASCII file

 

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