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AstDyS ∴ Objects ∴ 1999QJ1 ∴ Observational info
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(121209) 1999QJ1  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8725.8 days
Unobserved 299 days

 

Astrometry summary
Optical
RMS of residuals 0.49
First observation 1999-08-17.371
Last observation 2023-07-08.168
Number (Discarded) 1287 (7)

 

Get the observational details
ASCII file

 

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