K2-72d
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 | |
|---|---|
| Discovery date | July 18, 2016 |
Detection method | Transit |
| Orbital characteristics | |
Semi-major axis | 0.0461 ± 0.0058 AU (6,900,000 ± 870,000 km) |
Orbital period (sidereal) | 7.7599±0.0014 d |
| Star | K2-72 |
| Physical characteristics | |
Mean radius | 0.73±0.20 R🜨 |
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