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(161997) 1987AN  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 13641 days
Unobserved 39 days

 

Astrometry summary
Optical
RMS of residuals 0.49
First observation 1987-01-01.233
Last observation 2024-05-07.281
Number (Discarded) 606 (3)

 

Get the observational details
ASCII file

 

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