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This list of exoplanets discovered in 2023 is a list of confirmed exoplanets that were first reported in 2023. For exoplanets detected only by radial velocity, the listed value for mass is a lower limit. See Minimum mass for more information. Name Mass (M J) Radius (R J) Period (days) Semi-major axis (AU) Temp. (K) Discovery method Distance (ly) Host star mass (M ☉) Host star temp. (K ...
Kepler-452b (sometimes quoted to be an Earth 2.0 or Earth's Cousin [4] [5] based on its characteristics; also known by its Kepler object of interest designation KOI-7016.01) is a candidate [6] [7] super-Earth exoplanet orbiting within the inner edge of the habitable zone of the sun-like star Kepler-452 and is the only planet in the system discovered by the Kepler space telescope.
Discovered in 2023, TOI-700 e is terrestrial exoplanet that NASA claims to be an "earth-like" planet, with 95 percent of the Earth’s radius. Discovered by NASA's TESS ( Transiting Exoplanet Survey Satellite ), TOI-700 e has mass of about 0.818 Earths and takes 27.8 days to orbit once around its star. [ 6 ]
The distance separating the planet and its star is just 7% of the distance between Earth and the Sun, and the planet receives 1.6 times more energy from its star than Earth does from the Sun.
The planet is about the size of Venus, so slightly smaller than Earth, and may be temperate enough to support life, the researchers said. Dubbed Gliese 12 b, the planet takes 12.8 days to orbit a ...
According to a new study, scientists have now seen—for the first time ever—water in the rocky-planet-forming region of a star’s protoplanetary disks. Earth-Like Planets May Come With Built ...
The exoplanets were found using a statistical technique called "verification by multiplicity". 95% of the discovered exoplanets were smaller than Neptune and four, including Kepler-296f, were less than 2 1/2 the size of Earth and were in habitable zones where surface temperatures are suitable for liquid water.
In addition to planet d, 82 G. Eridani also hosts two other planets in closer orbits: 82 G. Eridani b, which is a likely super-Earth with an orbital period of 18 days and a minimum mass of 2.15 ± 0.17 M 🜨, and 82 G. Eridani c, also likely a super-Earth, with an orbital period of 89 days and a minimum mass of 2.98 ± 0.29 M 🜨. [1]