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(1802) ZhangHeng  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 33179.3 days
Unobserved 80 days

 

Astrometry summary
Optical
RMS of residuals 0.37
First observation 1933-03-24.957
Last observation 2024-01-26.236
Number (Discarded) 4746 (28)

 

Get the observational details
ASCII file

 

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