| Discovery | |
|---|---|
| Discovered by | Kepler team |
| Discovery date | 20 December 2011 |
| Transit (Kepler Mission) | |
| Orbital characteristics | |
| 0.3453 AU (51,660,000 km) | |
| Eccentricity | <0.60 |
| 77.61184 d | |
| Inclination | 89.570 |
| Star | Kepler-20 (KOI-070) |
| Physical characteristics | |
Mean radius | 2.75+0.17 −0.30 R🜨 |
| Mass | <20.1 M🜨 |
Mean density | <4.07 g cm−3 |
| Temperature | 369 K (96 °C; 205 °F) |
Kepler-20d is an exoplanet orbiting Kepler-20. It has a mass and radius similar to Neptune. Despite being the furthest planet from the star, it has an orbit similar to Mercury, meaning that it is a Hot Neptune. Along with the other four planets in the system, Kepler-20d was announced on December 20, 2011.
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This page was last edited on 18 August 2023, at 12:33