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(21071) 1991PE7  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 11721.8 days
Unobserved 251 days

 

Astrometry summary
Optical
RMS of residuals 0.52
First observation 1991-08-06.244
Last observation 2023-09-09.005
Number (Discarded) 2838 (136)

 

Get the observational details
ASCII file

 

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