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AstDyS ∴ Objects ∴ 2000SJ309 ∴ Observational info
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(219417) 2000SJ309  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8489.83 days
Unobserved 130 days

 

Astrometry summary
Optical
RMS of residuals 0.63
First observation 2000-09-30.399
Last observation 2023-12-29.229
Number (Discarded) 916 (178)

 

Get the observational details
ASCII file

 

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