AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999NN9 ∴ Observational info
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(40344) 1999NN9  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 11312.8 days
Unobserved 284 days

 

Astrometry summary
Optical
RMS of residuals 0.47
First observation 1992-07-26.256
Last observation 2023-07-17.070
Number (Discarded) 1550 (9)

 

Get the observational details
ASCII file

 

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