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K2-9 b

Orbiting K2-9, discovered in 2015 (7520) by K2 via the Transit method.

Planet

Radius2.25 R⊕
MassUnknown
Orbital period18.45 Earth days (~0.1 Earth years)
Orbital eccentricityUnknown
Equilibrium temperature314 K (41 °C)

Host star — K2-9

Temperature3390 K (3117 °C)
Radius0.31 R☉
Mass0.30 M☉

Location

Distance from Earth83.0 pc (~271 light-years)
Right ascension / Declination176.2637 / 0.0054

Last refreshed 2026-09-13 from NASA's Exoplanet Archive.