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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1989SD8 ∴ Observational info
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(100016) 1989SD8  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 12247.3 days
Unobserved 374 days

 

Astrometry summary
Optical
RMS of residuals 0.48
First observation 1989-09-27.351
Last observation 2023-04-09.661
Number (Discarded) 1575 (14)

 

Get the observational details
ASCII file

 

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