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Kepler-62d

Astronomical discovery
Kepler-62d is the third innermost and the largest exoplanet discovered orbiting the star Kepler-62, with a size roughly twice the diameter of Earth. It was found using the transit method, in which the dimming that a planet causes as it crosses in... Wikipedia
Radius: 7,719.6 mi
Orbital period: 18 days
Discovered: April 18, 2013
Mass: 5.5+8.5; −5.5 ME
Orbital period (sidereal): 18.16406 ± 0.00002 d
Semi-major axis: 0.120 ± 0.001 AU