Top Results for K Star

HD 219134 b is a rocky super-Earth exoplanet located approximately 21 light-years away in the constellation Cassiopeia. Discovered in 2015, it is notable for being one of the closest transiting exoplanets to our solar system, making it a valuable target for atmospheric study. The planet orbits its K...

Kepler-444 b is a rocky sub-Earth exoplanet orbiting the ancient K-type star Kepler-444, a system estimated to be approximately 11 billion years old. Discovered through transit photometry by NASA's Kepler space telescope and announced in 2015, it is the innermost of five known planets in the system....

Epsilon Eridani b is a gas giant exoplanet orbiting the nearby K-type star Epsilon Eridani, located approximately 10.5 light-years from the Solar System. Evidence for the planet was identified through long-term radial velocity monitoring of the star, with results reported around 2000. The planet has...

HD 219134 c is a transiting exoplanet orbiting HD 219134, a nearby K-type main-sequence star about 21 light-years from Earth. Announced in 2015, it is classified as a super-Earth and completes a close, short-period orbit, making it much hotter than Earth despite the host star's relatively modest tem...

Kepler-444 c is a small transiting exoplanet in the five-planet Kepler-444 system. It is smaller than Earth and orbits close to its K-type host star, so it is not considered an Earth-like habitable world. The system is notable because its star is more than 11 billion years old, demonstrating that sy...

HD 40307 g was reported in 2012 as a super-Earth candidate detected through radial-velocity measurements of the nearby K-type star HD 40307. Its proposed orbit placed it within or near the star's habitable zone, prompting interest in whether temperatures could permit liquid water under suitable atmo...

Kepler-444 e is a confirmed sub-Earth exoplanet in the Kepler-444 system, which orbits a metal-poor K-type star in the Milky Way. The host star is estimated to be about 11 billion years old, making this a compact planetary system formed early in the history of the Galaxy. The planet is relevant to s...

Kepler-444 d is a confirmed sub-Earth exoplanet orbiting the K-type star Kepler-444. It belongs to a compact system whose five known planets complete their orbits close to the host star, and whose age is estimated at roughly 11 billion years. Kepler-444 d is of interest in exoplanet research because...

HD 3167 b is a transiting super-Earth orbiting the K-type star HD 3167. It completes an orbit in roughly 23 hours and has a radius about 1.6 times that of Earth, placing it among the short-period rocky or volatile-rich planets found by transit surveys. Its bright host star and repeated transits make...

HD 21749 b is a confirmed transiting planet orbiting the K-type star HD 21749 in the southern constellation Reticulum. NASA's Transiting Exoplanet Survey Satellite identified its transit in data released in 2019, and follow-up observations established a radius about 2.8 times Earth's and a mass of r...

HD 219134 d is an extrasolar planet orbiting the nearby K-type star HD 219134 in the constellation Cassiopeia, about 21 light-years from Earth. It was identified through radial-velocity measurements and has a minimum mass in the Neptune range, which is why it is commonly classified as a mini-Neptune...

HD 3167 c is a transiting sub-Neptune orbiting the K-type star HD 3167. Discovered in 2016 through transit observations, it has an orbital period of about 29.8 days and a radius roughly three times that of Earth. Its orbit is strongly misaligned with the star's equatorial plane and is often describe...

TOI-178 g is the outermost known planet in the six-planet TOI-178 system, a compact system orbiting a late K-type star. It is a transiting planet in the super-Earth to mini-Neptune size range, with an orbital period of about 20.7 days. Together with planets c, d, e, and f, it participates in a chain...

TOI-178 f is the second-outermost known planet in the six-planet TOI-178 system. It is a transiting planet in the super-Earth to mini-Neptune size range and circles its late K-type host star about once every 15.2 days. Its orbit is part of the Laplace-resonance chain formed by the system's five oute...

TOI-178 e is a transiting planet in the six-planet TOI-178 system, orbiting a late K-type star about once every 10 days. It lies within the system's chain of Laplace resonances, which involves planets c through g and relates their orbital periods through repeated integer combinations. The TOI-178 pl...

TOI-178 d is a transiting exoplanet orbiting the late K-type star TOI-178, whose system contains six known transiting planets. It has a radius of about 2.3 times Earth's and a low measured density, consistent with a substantial volatile or gaseous envelope rather than a purely rocky composition. Wit...

TOI-178 c is a transiting exoplanet with a radius about 1.75 times Earth's and an orbital period of roughly 3.2 days. It orbits a late K-type star in the six-planet TOI-178 system and is one of the planets participating in the system's chain of Laplace resonances. Its measured density is substantial...

TOI-178 b is a transiting super-Earth-sized exoplanet with a radius close to 1.2 Earth radii and an orbital period of about 1.9 days. It is the innermost known planet around the late K-type star TOI-178. The system also contains five more transiting planets, but the main 2:4:6:9:12 Laplace-resonance...

Wolf 503 b is a transiting exoplanet discovered in data from NASA's K2 mission. It orbits Wolf 503, a nearby K-type star, once every roughly six days and has a radius about twice Earth's. That size places it near the observed radius gap separating many smaller super-Earths from larger sub-Neptunes,...

HD 21749 c is a transiting planet with a radius estimated at about 0.9 Earth radii and an orbital period of approximately 7.8 days. NASA's TESS mission detected the transit around the K-type star HD 21749, and the planet was announced in 2019 as the mission's first roughly Earth-sized discovery. The...

HD 40307 b is a radial-velocity exoplanet orbiting the K-type star HD 40307, about 42 light-years away. With a minimum mass of roughly four Earth masses and an orbital period of about 4.3 days, it is the innermost of the three planets reported in the system's original 2008 discovery. Its short orbit...

HD 192310 b is a planet with a minimum mass in the Neptune range orbiting the nearby K-type star HD 192310. Its existence was inferred from precise radial-velocity measurements, including observations made with the Keck and HARPS instruments, and was reported in 2011. The system also contains anothe...

HD 128311 c is a gas-giant exoplanet orbiting the K-type star HD 128311, located roughly 53 light-years from Earth. The planet was announced in 2005 from radial-velocity observations. It is the outer member of a known two-planet system, and its orbital period is close to twice that of HD 128311 b, p...

HD 128311 b is a gas-giant exoplanet orbiting the K-type star HD 128311, about 53 light-years from Earth. It was detected through the radial-velocity technique used by the Anglo-Australian Planet Search and was reported in 2002. The planet is the inner member of a known multi-planet system. Its orbi...

HD 40307 d is one of the planets first identified around the nearby K-type star HD 40307. It was reported in 2008 from radial-velocity measurements and has a minimum mass of about 9.5 Earth masses, placing it in the super-Earth range. In the original three-planet solution, it was the outermost plane...

HD 40307 c is a super-Earth-mass exoplanet orbiting the K-type star HD 40307. It was announced in 2008 from radial-velocity observations and has an orbital period of approximately 9.6 days. The planet was part of the original set of three reported planets around the star, a system that helped establ...

HD 219134 f is a confirmed exoplanet orbiting the nearby K-type star HD 219134. It belongs to a compact planetary system that also includes several other detected planets, making the host star an important target for comparative studies of planets around a relatively close star. The planet is classi...

HD 27442 b is a giant exoplanet orbiting Epsilon Reticuli, the subgiant star also designated HD 27442. It has a mass comparable to Jupiter and completes an orbit in roughly 428 days. The planet was discovered through radial-velocity observations reported in 2000, and its orbit places it in the broad...

HD 3651 b is a giant exoplanet discovered through radial-velocity observations of the K-type star HD 3651. Reported in 2003, it has a mass broadly comparable to Saturn and follows an eccentric orbit around its host star. The wider system also contains HD 3651 B, a directly imaged T-dwarf brown-dwarf...