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AstDyS ∴ Objects ∴ 2001SJ38 ∴ Observational info
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(57430) 2001SJ38  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8972.62 days
Unobserved 438 days

 

Astrometry summary
Optical
RMS of residuals 0.47
First observation 1998-12-21.305
Last observation 2023-07-15.927
Number (Discarded) 1839 (9)

 

Get the observational details
ASCII file

 

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