Best Multi Planet

HR 8799 c is a gas giant exoplanet discovered orbiting the young A-type star HR 8799. It’s notable as one of the first planets directly imaged around another star and part of a multi-planet system. This planet, approximately twice the size of Jupiter, offers scientists a unique opportunity to study...

HR 8799 b is a young gas giant exoplanet discovered orbiting the star HR 8799, located approximately 129 light-years from Earth. Direct imaging by the Keck and Gemini telescopes in 2008 revealed its existence. This planet is notable for its youth and association with a multi-planet system around an...

HR 8799 d is a gas giant exoplanet located approximately 129 light-years from Earth. It’s notable as one of the first planets directly imaged around an A-type star and part of a multi-planet system discovered through direct imaging techniques. This planet orbits a young, Sun-like star and offers val...

GJ 876 (also catalogued as IL Aquarii) is a red dwarf star located approximately 15 light-years from Earth in the constellation Aquarius. It is one of the nearest known multi-planet systems, with at least four confirmed exoplanets, including gas giants and terrestrial-mass planets. The first planet...

Kepler-62 is a K-type main-sequence star located approximately 990 light-years away in the constellation Lyra. NASA's Kepler space telescope detected five planets orbiting the star, announced in 2013, two of which (Kepler-62e and Kepler-62f) orbit within the star's habitable zone where liquid water...

GJ 581 is an M-type red dwarf star located approximately 20 light-years from Earth in the constellation Libra. It hosts a multi-planet system that includes several confirmed exoplanets orbiting near the star's habitable zone. This system sparked significant astronomical debate following the claimed...

L 98-59 is an M-type red dwarf star located approximately 35 light-years away in the southern constellation of Volans. It is known to host a multi-planetary system, with initial observations by NASA's Transiting Exoplanet Survey Satellite (TESS) in 2019 identifying three small, rocky exoplanets. Sub...

Mu Arae, also designated HD 160691, is a Sun-like G-type main-sequence star located approximately 50 light-years from Earth in the southern constellation Ara. The star hosts at least four confirmed exoplanets, including Mu Arae c, announced in 2004 as one of the earliest discovered super-Earth-mass...

Kepler-138c is a super-Earth exoplanet located in the Kepler-138 system, confirmed by NASA's Kepler space telescope in 2015. It orbits its M-dwarf host star every 13.8 days and is believed to be a water world, with a significant portion of its mass consisting of water. The planet orbits in near reso...

47 Ursae Majoris is a yellow G-type main-sequence star located approximately 46 light-years away from Earth in the constellation of Ursa Major. It is notable for its close physical resemblance to the Sun and for hosting a multi-planet planetary system, a rarity among early exoplanet discoveries. The...

Kepler-138d is a transiting exoplanet orbiting the M-dwarf star Kepler-138 approximately 200 light-years from Earth. It is the outermost of three known planets in the system, completing an orbit every 23.1 days. Categorized as a super-Earth, its mass and radius suggest a low bulk density. Researcher...

Kepler-47b is a transiting circumbinary exoplanet located in the Kepler-47 system, which was announced in 2012. It was part of the first system discovered to host multiple planets orbiting a binary star pair. The planet completes an orbit around the two host stars approximately every 49 days. It is...

Nu2 Lupi is a G-type main-sequence star located approximately 48 light-years away from Earth in the southern constellation of Lupus. The star is orbited by at least three confirmed exoplanets, designated Nu2 Lupi b, c, and d. The planetary system's orbital configuration was further characterized in...

TOI-561 is an old, metal-poor star in the constellation Sextans, located roughly 280 light-years from Earth. It is a K-type star with a system of transiting exoplanets, including TOI-561 b, an ultra-short-period rocky planet that completes an orbit in less than one Earth day. The system is scientifi...

Upsilon Andromedae b is a hot Jupiter exoplanet discovered in 1996 orbiting the F-type main-sequence star Upsilon Andromedae A, located approximately 44 light-years from Earth. It was the first planet detected in this system, which subsequently became the first confirmed multi-planet system discover...

Kepler-138b is a Mars-sized exoplanet orbiting the red dwarf star Kepler-138, located roughly 217 light-years away in the constellation Lyra. Confirmed in 2015 using data from the Kepler space telescope, it was one of the smallest exoplanets to have both its mass and radius directly measured. This m...

55 Cancri b is a gas giant exoplanet orbiting the Sun-like star 55 Cancri (also designated Copernicus), located approximately 41 light-years from Earth in the constellation Cancer. Discovered in 1996 through radial velocity measurements, it has a minimum mass comparable to Jupiter and orbits at appr...

Kepler-11b is a sub-Neptune exoplanet orbiting the Sun-like star Kepler-11, approximately 2,000 light-years from Earth. Announced in 2011, it is one of six confirmed planets in the Kepler-11 system, which was notable for having one of the most compact multi-planet configurations discovered. Kepler-1...

GJ 3293 is an M-type red dwarf star situated approximately 57 light-years away in the constellation Cetus. It is known to host multiple confirmed exoplanets, including at least two super-Earths that were detected using radial velocity measurements. The planetary system's discovery has contributed to...

Kepler-11c is an exoplanet orbiting the Sun-like star Kepler-11, located approximately 2,000 light-years from Earth in the constellation Cygnus. The Kepler-11 system, announced by NASA in 2011, is notable for having six confirmed transiting planets in a remarkably compact orbital configuration, with...

A circumbinary exoplanet discovered in 2019 using NASA's Kepler space telescope, notable for having the largest radius of the three known planets within this binary star system.

Third of six confirmed planets orbiting Kepler-11, part of the 2011 announcement that revealed how tightly packed planetary systems can be arranged within a single solar system.

Kepler-11e is a sub-Neptune exoplanet orbiting the Sun-like star Kepler-11, discovered by NASA's Kepler space telescope. As the fourth of six confirmed planets in this system, it completes an orbit around its host star approximately every 32 days. The planet is distinguished by its exceptionally low...

HAT-P-13b is a transiting hot Jupiter discovered by the HATNet survey and announced in 2009. It circles its Sun-like host star in a short-period orbit, while the same system contains a more distant and substantially more eccentric companion detected through radial-velocity measurements. The system h...

Mu Arae b is a gas-giant exoplanet orbiting Mu Arae, a G-type star roughly 50 light-years from Earth. It was detected through radial-velocity measurements made with the CORALIE spectrograph and announced in 2000. The planet travels on an orbit lasting several hundred days, and it belongs to a multip...

Upsilon Andromedae c is a giant exoplanet orbiting the F-type star Upsilon Andromedae. Announced in 1999 from radial-velocity observations, it completes an orbit in roughly 241 days and is one of several giant planets known in the system. Those discoveries established Upsilon Andromedae as an early...

Kepler-11f is one of six known transiting planets orbiting the Sun-like star Kepler-11. Announced in 2011, it belongs to an unusually compact system in which five planets orbit closer to their star than Mercury does to the Sun. Transit timing variations allowed researchers to estimate planetary mass...

Kepler-11g is an extrasolar planet orbiting the sun-like star Kepler-11, located approximately 2,000 light-years from Earth. Announced by NASA in 2011, it is the largest and outermost of six confirmed planets within this densely packed planetary system. Unlike its five inner companions that orbit cl...

HD 10180 h is a Neptune-mass exoplanet orbiting HD 10180 about 127 light-years away, the outermost confirmed planet in a multi-planet system discovered in 2010 using the HARPS spectrograph.