What was the approximate diameter estimate for Saturn’s heavy material core based on analyses from the early 2000s?

Answer

Around 25,000 kilometers

Analyses conducted in the early 2000s constrained the core mass to be between 9 and 22 Earth masses, which corresponded to an estimated diameter of about 25,000 kilometers.

What was the approximate diameter estimate for Saturn’s heavy material core based on analyses from the early 2000s?
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