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AstDyS ∴ Objects ∴ 1998QJ91 ∴ Observational info
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(173200) 1998QJ91  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 16861.8 days
Unobserved 166 days

 

Astrometry summary
Optical
RMS of residuals 0.44
First observation 1977-10-07.259
Last observation 2023-12-07.097
Number (Discarded) 1025 (1)

 

Get the observational details
ASCII file

 

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