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AstDyS ∴ Objects ∴ 1989UM1 ∴ Observational info
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(11281) 1989UM1  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 10421.5 days
Unobserved 347 days

 

Astrometry summary
Optical
RMS of residuals 0.51"
First observation 1989-10-26.674
Last observation 2018-05-09.200
Number (Discarded) 1634 (13)

 

Get the observational details
ASCII file

 

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





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