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AstDyS ∴ Objects ∴ 1999SZ20 ∴ Observational info
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(439860) 1999SZ20  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 10263.9 days
Unobserved 203 days

 

Astrometry summary
Optical
RMS of residuals 0.37
First observation 1995-09-02.351
Last observation 2023-10-09.265
Number (Discarded) 157 (2)

 

Get the observational details
ASCII file

 

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