PLANETARY SYSTEM
Kepler-399
3 confirmed planets in our catalogue, 2,415.3 light-years from Earth.
Ordered by orbital period where known. Diagram is illustrative; distances and planet sizes are not to scale.
| World / host star | Type | Distance | Year length | Discovery |
|---|---|---|---|---|
| Kepler-399 b ↗Kepler-399 | Rocky-size | 2,415.3 ly | 14.425 days | 2014Transit |
| Kepler-399 c ↗Kepler-399 | Super-Earth | 2,415.3 ly | 26.676 days | 2014Transit |
| Kepler-399 d ↗Kepler-399 | Super-Earth | 2,415.3 ly | 58.035 days | 2014Transit |