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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998QR71 ∴ Observational info
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(40146) 1998QR71  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9343.69 days
Unobserved 37 days

 

Astrometry summary
Optical
RMS of residuals 0.49
First observation 1998-08-19.379
Last observation 2024-03-19.067
Number (Discarded) 1747 (92)

 

Get the observational details
ASCII file

 

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