swap_horiz K2-3 d Alternatives
Looking for alternatives to K2-3 d? Compare the top Exoplanet options ranked by our AI scoring system.
K2-3 d
A mini-Neptune exoplanet discovered in 2015, notable for orbiting near the inner edge of the habitable zone of the nearby M-dwarf star K2-3, making it a target for study.
apps Top K2-3 d Alternatives
The top alternative to K2-3 d in 2026 is Proxima Centauri b with a score of 9.9/10, followed by Kepler-1649c (9.3) and K2-18b (9.3).
Proxima Centauri b
Proxima Centauri b is an exoplanet orbiting Proxima Centauri, the closest star to our Sun. This super-Earth resides with...
Kepler-1649c
Kepler-1649c is an exoplanet roughly Earth-sized orbiting a red dwarf star named Kepler-1649. Its location within its st...
K2-18b
K2-18b is a sub-Neptune exoplanet orbiting the M dwarf star K2-18. Located within its star’s habitable zone, it has garn...
Kepler-442b
Kepler-442b is an exoplanet orbiting a cooler star approximately 1,200 light-years from Earth. Its size and position wit...
Kepler-22b
Kepler-22b is an exoplanet orbiting a G-type star similar to our Sun. Discovered by NASA’s Kepler mission in 2011, it re...
Kepler-62f
Kepler-62f is an exoplanet located in the Kepler-62 system. It’s notable as a super-Earth orbiting a red dwarf star with...
Kepler-62e
Kepler-62e is an exoplanet orbiting the star Kepler-62. It’s notable as a super-Earth residing within its star's habitab...
LHS 1140 b
Discovered in 2017, LHS 1140 b is a super-Earth exoplanet notable for orbiting within the habitable zone of a red dwarf...
Kepler-69c
Super-Earth in the Kepler-69 system announced in 2013, orbiting near the inner edge of its habitable zone and considered...
Kepler-438b
A near-Earth-sized exoplanet discovered in 2015, notable for orbiting within the habitable zone of its red dwarf star, t...
Kepler-296f
Kepler-296f is a super-Earth orbiting within the habitable zone of a binary M-dwarf system ~1,000 light-years away, conf...
Kepler-296e
Super-Earth confirmed in 2014 orbiting within the habitable zone of Kepler-296, a red dwarf binary system ~1,200 light-y...
GJ 667Cc
GJ 667Cc is a super-Earth orbiting within the habitable zone of the M-dwarf component of the triple-star system GJ 667,...
Ross 128 b
Ross 128 b is a temperate, near-Earth-mass planet orbiting red dwarf Ross 128 (~11 ly), discovered in 2017 by Xavier Bon...
TOI-715 b
Discovered in 2023 by NASA's TESS satellite, TOI-715 b is a super-Earth exoplanet notable for orbiting a red dwarf star...
Wolf 1061 c
Wolf 1061 c is a super-Earth orbiting Wolf 1061 within its habitable zone, discovered in 2015 as one of the nearest pote...
GJ 1132 b
GJ 1132 b is a rocky super-Earth orbiting an M-dwarf 39 light-years away, discovered in 2015; follow-up observations sug...
GJ 273 b
GJ 273 b is a super-Earth orbiting within the habitable zone of Luyten's Star (~12.4 ly), discovered in 2017 via HARPS r...
K2-3 b
A super-Earth exoplanet discovered in 2015 by NASA's K2 mission, notable for orbiting a nearby red dwarf star and being...
K2-3 c
A mini-Neptune exoplanet discovered in 2015, notable for being the middle planet in the K2-3 system, which resides appro...
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