PLANETARY SYSTEM
Kepler-257
3 confirmed planets in our catalogue, 2,544.9 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-257 b ↗Kepler-257 | Neptune-like | 2,544.9 ly | 2.383 days | 2014Transit |
| Kepler-257 c ↗Kepler-257 | Neptune-like | 2,544.9 ly | 6.581 days | 2014Transit |
| Kepler-257 d ↗Kepler-257 | Neptune-like | 2,544.9 ly | 24.665 days | 2014Transit |