swap_horiz K2-229b Alternatives
Looking for alternatives to K2-229b? Compare the top Exoplanet options ranked by our AI scoring system.
K2-229b
K2-229b is a confirmed rocky exoplanet discovered from transits in data from NASA's K2 mission and announced in 2018. It is slightly larger than Earth but has a high measured density, consistent with a composition containing an unusually large iron core and often compared with Mercury's interior. Th...
apps Top K2-229b Alternatives
The top alternative to K2-229b in 2026 is 55 Cancri e with a score of 9.0/10, followed by PSR 1257+12 c (8.8) and Kepler-78b (8.6).
55 Cancri e
55 Cancri e is a rocky exoplanet orbiting a sun-like star approximately 40 light-years away. Its extremely short orbital...
PSR 1257+12 c
PSR 1257+12 c is a rocky exoplanet orbiting the pulsar PSR B1257+12. Its discovery in 1992 alongside other planets aroun...
Kepler-78b
Kepler-78b is an Earth-sized rocky exoplanet announced in 2013, notable for being the first exoplanet confirmed to posse...
CoRoT-7b
CoRoT-7b is an extrasolar planet discovered in 2009 by the French-led CoRoT space telescope, notable for being the first...
Gliese 581 c
Gliese 581 c is a super-Earth exoplanet discovered in 2007 orbiting the red dwarf star Gliese 581, located about 20 ligh...
PSR 1257+12 d
PSR 1257+12 d, also known as Phobetor, is a super-Earth exoplanet orbiting the millisecond pulsar Lich, located roughly...
HD 219134 b
HD 219134 b is a rocky super-Earth exoplanet located approximately 21 light-years away in the constellation Cassiopeia....
Kepler-10b
Announced in 2011, Kepler-10b was the first confirmed rocky exoplanet discovered by NASA's Kepler space telescope. It is...
Kepler-36b
Rocky super-Earth discovered in 2012 sharing an unusually close orbit with the larger Kepler-36c, with the two planets p...
OGLE-2005-BLG-390Lb
OGLE-2005-BLG-390Lb is a cold super-Earth exoplanet discovered in 2005 through the gravitational microlensing technique....
Kepler-10c
Kepler-10c is a transiting exoplanet orbiting Kepler-10, a Sun-like star also known to host the rocky planet Kepler-10b....
Kepler-20f
Kepler-20f is a near-Earth-sized exoplanet orbiting the sun-like star Kepler-20, located approximately 929 light-years f...
Kepler-20e
Kepler-20e is an extrasolar planet orbiting the sun-like star Kepler-20, located approximately 950 light-years away from...
Gliese 876 d
Gliese 876 d is a super-Earth exoplanet orbiting the red dwarf star Gliese 876, located approximately 15 light-years fro...
Gliese 581 e
Gliese 581 e is the least massive planet in the Gliese 581 system at ~1.9 Earth masses, announced in 2009; it orbits ver...
GJ 1132 b
GJ 1132 b is a transiting rocky exoplanet orbiting a nearby red dwarf approximately 40 light-years from Earth. Announced...
HD 219134 c
HD 219134 c is a transiting exoplanet orbiting HD 219134, a nearby K-type main-sequence star about 21 light-years from E...
61 Virginis b
61 Virginis b is the innermost known planet in the 61 Virginis system, orbiting a nearby Sun-like star about 28 light-ye...
HD 3167 b
HD 3167 b is a transiting super-Earth orbiting the K-type star HD 3167. It completes an orbit in roughly 23 hours and ha...
K2-3 d
K2-3 d is a transiting exoplanet orbiting K2-3, a nearby cool M-dwarf star. It was identified from observations by NASA’...
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