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(196430) 2003HE21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8130.28 days
Unobserved 38 days

 

Astrometry summary
Optical
RMS of residuals 0.55
First observation 2001-12-15.350
Last observation 2024-03-19.630
Number (Discarded) 338 (1)

 

Get the observational details
ASCII file

 

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