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AstDyS ∴ Objects ∴ 1999XM213 ∴ Observational info
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(71179) 1999XM213  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 11588.9 days
Unobserved 679 days

 

Astrometry summary
Optical
RMS of residuals 0.45
First observation 1990-09-23.270
Last observation 2022-06-16.195
Number (Discarded) 1293 (9)

 

Get the observational details
ASCII file

 

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