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(7917) Hammergren  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 15611.4 days
Unobserved 226 days

 

Astrometry summary
Optical
RMS of residuals 0.43
First observation 1981-02-12.654
Last observation 2023-11-11.059
Number (Discarded) 2154 (11)

 

Get the observational details
ASCII file

 

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