Kepler-138 b · Asteria Star

Scientific overview

Kepler-138 b is a terrestrial planet orbiting Kepler-138, completing an orbit every 10 days, about 218 light-years from Earth. It was discovered in 2014 using the transit method.

Host star

Kepler-138

Spectral type

M1 V

Temperature

3,841 K

Mass

0.535 M☉

Planetary system — Kepler-138 system

View the Kepler-138 system (4 known planets).

Planet	Class	Radius (R⊕)	Period (d)	Distance (ly)
Kepler-138 bTransit · 2014	Terrestrial planet	0.64	10.3134	218
Kepler-138 cTransit · 2014	Terrestrial planet	1.51	13.7815	218
Kepler-138 dTransit · 2014	Terrestrial planet	1.51	23.0923	218
Kepler-138 eTransit Timing Variations · 2022	Terrestrial planet	0.8	38.23	218

Discovery and detection

Detection method

Transit Method

Discovery year

2014

Discovered at

Kepler Space Telescope

Knowledge connections

OrbitsKepler-138
Member of systemKepler-138 system
Discovered by methodTransit Method
Discovered by missionKepler Space Telescope
Catalogued inNASA Exoplanet Archive

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