K2-66b is a confirmed mega-Earth orbiting the subgiant K2-66, about from Earth in the direction of Aquarius. It is an extremely hot and dense planet heavier than Neptune, but with only about half its radius.
Planet properties
Mass, radius, and temperature K2-66b is a mega-Earth with radius and mass . The planet's temperature is highly variable due to the variability of its host star, and is currently estimated at .
Orbit The planet orbits every 5.07 days at 0.06 AU. It orbits within a "photoevaporation desert", where orbiting exoplanets should be very uncommon. K2-66b's orbit is nearly circular.
Star The star, K2-66 is a G1 sub-giant in Aquarius. It has a sun-like temperature of 5887 K, which corresponds to its spectral class and is very close to that of the rotationally variable star Kepler-130. It has a radius of and a mass of . Its metallicity is −0.047, and its apparent magnitude is 11.71.
See also
Kepler Mega-Earth K2-56b Sub-giant G-type main sequence star Density List of exoplanets discovered in 2017 List of exoplanets discovered in 2016 Lava planet Stellar evolution
References
External links
Kepler-130 SIMBAD: Kepler-130