AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1990QQ4 ∴ Observational info
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(11880) 1990QQ4  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 11669.7 days
Unobserved 190 days

 

Astrometry summary
Optical
RMS of residuals 0.52"
First observation 1986-10-28.820
Last observation 2018-10-10.485
Number (Discarded) 1512 (10)

 

Get the observational details
ASCII file

 

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





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