swap_horiz Kepler-138b Alternatives
Looking for alternatives to Kepler-138b? Compare the top Exoplanet options ranked by our AI scoring system.
Kepler-138b
Mars-sized exoplanet in the Kepler-138 system confirmed in 2015, one of the smallest exoplanets with a directly measured mass, with a radius and mass closely matching those of Mars.
apps Top Kepler-138b Alternatives
The top alternative to Kepler-138b in 2026 is Kepler-138c with a score of 8.4/10, followed by Kepler-47b (8.3) and Kepler-138d (8.3).
Kepler-138c
Super-Earth in the Kepler-138 system confirmed in 2015, orbiting its M-dwarf host every ~13.8 days in near orbital reson...
Kepler-47b
Inner planet of Kepler-47, announced in 2012 as part of the first confirmed transiting circumbinary multi-planet system,...
Kepler-138d
Outermost of the three originally confirmed Kepler-138 planets, a super-Earth orbiting its M-dwarf host every ~23.1 days...
Kepler-11b
One of six tightly packed planets in the Kepler-11 system announced in 2011, representing one of the most compact and co...
Kepler-444 b
A rocky sub-Earth exoplanet discovered in 2015, notable for being part of Kepler-444, an ancient eleven-billion-year-old...
Kepler-11c
Second of six confirmed planets in the compact Kepler-11 system, announced in 2011, with a low density suggesting a subs...
Kepler-11d
Third of six confirmed planets orbiting Kepler-11, part of the 2011 announcement that revealed how tightly packed planet...
Kepler-47d
A circumbinary exoplanet discovered in 2019 using NASA's Kepler space telescope, notable for having the largest radius o...
Kepler-11e
Fourth of six confirmed planets in the Kepler-11 system, notable for its low bulk density and the system's collective ro...
Kepler-11f
Fifth of six confirmed planets in the Kepler-11 system announced in 2011; together the six planets provided foundational...
Kepler-444 c
A Mars-sized exoplanet discovered in 2015, notable as the second planet in the ancient Kepler-444 system, which formed o...
Kepler-11g
The outermost and largest of six confirmed planets in the Kepler-11 system announced in 2011, orbiting on a wider path t...
Kepler-444 d
A sub-Earth exoplanet confirmed in 2015, notable for orbiting within the ancient Kepler-444 star system that is over ele...
Kepler-444 e
A Venus-sized rocky exoplanet discovered in 2015, notable as part of an ancient eleven-billion-year-old planetary system...
Kepler-62b
Innermost of five planets in the Kepler-62 system announced in 2013, a hot super-Earth orbiting its K-type host star eve...
Kepler-62c
Second planet in the Kepler-62 system announced in 2013, a small hot super-Earth orbiting its K-type star every ~12.4 da...
Kepler-186b
Innermost of five planets in the Kepler-186 system, a hot super-Earth orbiting its M-dwarf host star every ~3.9 days, co...
Kepler-186c
Second planet in the five-planet Kepler-186 system, a super-Earth completing an orbit around its M-dwarf every ~7.3 days...
Kepler-62d
Super-Earth in the Kepler-62 system announced in 2013, roughly 1.95 times Earth's radius, orbiting its K-dwarf host ever...
Kepler-186d
Third planet in the five-planet Kepler-186 system, a super-Earth with an orbital period of ~13.3 days around its M-dwarf...
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