Explore worlds beyond our Solar System.
🌍 Radius: 2.1 × Earth
🌎 About 2.1 times Earth's radius
🌍 Size compared with Earth
⚖️ Mass: 9.1 × Earth
⏱️ Orbital period: 289.9 days
⭐ Host star: Kepler-22
Kepler-22b was one of the first confirmed planets discovered in the habitable zone of a Sun-like star.
🌍 Radius: 0.92 × Earth
🌎 About 0.92 times Earth's radius
🌍 Size compared with Earth
⚖️ Mass: 0.692 × Earth
⏱️ Orbital period: 6.1 days
⭐ Host star: TRAPPIST-1
TRAPPIST-1e is one of seven known Earth-sized planets orbiting the ultracool dwarf star TRAPPIST-1.
🌍 Radius: 1.26 × Jupiter
🌎 About 1.26 times Jupiter's radius
🪐 Size compared with Jupiter
⚖️ Mass: 0.61 × Jupiter
⏱️ Orbital period: 4.2 days
⭐ Host star: 51 Pegasi
51 Pegasi b was the first exoplanet discovered orbiting a Sun-like star, announced in 1995.
🌍 Radius: 1.875 × Earth
⚖️ Mass: 7.99 × Earth
⏱️ Orbital period: 0.7 days
⭐ Host star: 55 Cancri
🌎 About 1.875 times Earth's radius
🌍 Size compared with Earth
55 Cancri e is an extremely hot super-Earth that may have a global ocean of lava.
🌍 Radius: 1.965 × Jupiter
⚖️ Mass: 1.47 × Jupiter
⏱️ Orbital period: 1.1 days
⭐ Host star: WASP-12
🪐 About 1.965 times Jupiter's radius
🪐 Size compared with Jupiter
WASP-12 b is an extremely hot Jupiter that orbits so close to its star that material is being pulled away from the planet.
🌍 Radius: 1.38 × Jupiter
⚖️ Mass: 0.69 × Jupiter
⏱️ Orbital period: 3.5 days
⭐ Host star: HD 209458
🪐 About 1.38 times Jupiter's radius
🪐 Size compared with Jupiter
HD 209458 b was the first exoplanet observed transiting its star and the first known exoplanet with an atmosphere detected through transit observations.
🌍 Radius: 2.7 × Earth
⚖️ Mass: 6.3 × Earth
⏱️ Orbital period: 1.6 days
⭐ Host star: GJ 1214
🌎 About 2.7 times Earth's radius
🌍 Size compared with Earth
GJ 1214 b is a sub-Neptune exoplanet that orbits very close to its small host star.
🌍 Radius: 2.6 × Earth
⚖️ Mass: 8.6 × Earth
⏱️ Orbital period: 32.9 days
⭐ Host star: K2-18
🌎 About 2.6 times Earth's radius
🌍 Size compared with Earth
K2-18 b is a sub-Neptune orbiting within the habitable zone of its red dwarf star, making it an important target for studying exoplanet atmospheres.