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K2-17 b

Orbiting K2-17, discovered in 2015 (7520) by K2 via the Transit method.

Planet

Radius2.23 R⊕
MassUnknown
Orbital period17.97 Earth days (~0.0 Earth years)
Orbital eccentricityUnknown
Equilibrium temperature487 K (214 °C)

Host star — K2-17

Temperature4320 K (4047 °C)
Radius0.66 R☉
Mass0.71 M☉

Location

Distance from Earth125.1 pc (~408 light-years)
Right ascension / Declination178.3297 / 6.4123

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