K2-72d is a small exoplanet orbiting around the red dwarf star K2-72 approximately 227.7 light-years away. K2-72d completes an orbit in 7.8 days, and it has a radius of only 73% of that of the Earth.
Discovery | |
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Discovery date | July 18, 2016 |
Detection method | Transit |
Orbital characteristics | |
Semi-major axis | 0.0461 ± 0.0058 AU (6,900,000 ± 870,000 km)[1] |
Orbital period (sidereal) | 7.7599±0.0014[1] d |
Star | K2-72[1] |
Physical characteristics | |
Mean radius | 0.73±0.20 [1] REarth |
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