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AstDyS ∴ Objects ∴ 1999XJ128 ∴ Observational info
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(75438) 1999XJ128  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8650.7 days
Unobserved 287 days

 

Astrometry summary
Optical
RMS of residuals 0.48
First observation 1999-11-09.434
Last observation 2023-07-17.136
Number (Discarded) 1258 (10)

 

Get the observational details
ASCII file

 

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