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(189455) 1999NH57  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8714.78 days
Unobserved 342 days

 

Astrometry summary
Optical
RMS of residuals 0.47
First observation 1999-07-12.392
Last observation 2023-05-22.169
Number (Discarded) 764 (2)

 

Get the observational details
ASCII file

 

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