K2-398

K2-398 is a G2 star 1,980 light years away with 2 known planets. They were all found in 2022.

Open in 3D

Planets

PlanetOrbital periodDistance from starRadius (Earths)Mass (Earths)FoundMethod
K2-398 b6.393 days2.2742022Transit
K2-398 c18.79 days5.0982022Transit

Star

Data from the NASA Exoplanet Archive, as of October 3, 2026. In the 3D view sizes and distances are compressed and every orbit is drawn in the same plane. Where each planet sits along its orbit is made up.