Tags: Planet.

HAT-P-9b is an extrasolar planet approximately 1560 light years away in the constellation Auriga. This planet was found by the transit method on June 26 2008. It has mass 78% that of Jupiter and radius 140% that of Jupiter. As for most transiting planets this planet is a hot Jupiter meaning this Jupiter-like planet orbits extremely close to the parent star taking only 3.92 days to orbit.

Exoplanet_Comparison_HAT-P-9_b.png

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