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(4341) Poseidon  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 12158 days
Unobserved 326 days

 

Astrometry summary
Optical
RMS of residuals 0.566285"
First observation 1987-05-29.24670
Last observation 2020-09-10.29412
Number (Discarded) 534 (3)

 

Get the observational details
Optical observations (ASCII file)

 

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