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AstDyS ∴ Objects ∴ 1993SJ9 ∴ Observational info
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(221949) 1993SJ9  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 10868.1 days
Unobserved 311 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 1993-09-17.219
Last observation 2023-06-20.313
Number (Discarded) 635 (6)

 

Get the observational details
ASCII file

 

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