4 known planets in exoplanet.eu: Kepler-138 b, Kepler-138 c, Kepler-138 d, Kepler-138 e.
Kepler-138: 4 known planets in exoplanet.eu: Kepler-138 b, Kepler-138 c, Kepler-138 d, Kepler-138 e. The catalogue of known planets · SetuHQ home
