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AstDyS ∴ Objects ∴ 1999XM242 ∴ Observational info
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(164951) 1999XM242  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8607 days
Unobserved 294 days

 

Astrometry summary
Optical
RMS of residuals 0.53
First observation 1999-12-13.347
Last observation 2023-07-07.349
Number (Discarded) 926 (1)

 

Get the observational details
ASCII file

 

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