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Transit · 2023

Kepler-1985 b

This world receives 383× the starlight Earth does; a year lasts 3.42 days.

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Size
2.3 × Earth 
A year
3.42 days0.0426 AU
Temperature
856 °C1,129 K

About this world

Kepler-1985 b is a sub-Neptune orbiting Kepler-1985, a yellow, Sun-like star. It is about 2.3 times the size of Earth. It completes an orbit every 3.42 days at 0.043 AU from its star, closer than Mercury is to the Sun.

Its equilibrium temperature is about 1,129 K (856 °C): far too hot for liquid water on its surface. At its size it almost certainly keeps a deep envelope of hydrogen and helium.

It was discovered in 2023 by transit with Kepler. A planet crosses its star and dims it by a tiny, periodic fraction.

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