PLANETARY SYSTEM
K2-138
6 confirmed planets in our catalogue, 660.7 light-years from Earth.
K2-138 b2.353 daysK2-138 c3.56 daysK2-138 d5.405 daysK2-138 e8.261 daysK2-138 f12.758 daysK2-138 g41.968 days
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 |
|---|---|---|---|---|
| K2-138 b ↗K2-138 | Super-Earth | 660.7 ly | 2.353 days | 2017Transit |
| K2-138 c ↗K2-138 | Neptune-like | 660.7 ly | 3.56 days | 2017Transit |
| K2-138 d ↗K2-138 | Neptune-like | 660.7 ly | 5.405 days | 2017Transit |
| K2-138 e ↗K2-138 | Neptune-like | 660.7 ly | 8.261 days | 2017Transit |
| K2-138 f ↗K2-138 | Neptune-like | 660.7 ly | 12.758 days | 2017Transit |
| K2-138 g ↗K2-138 | Neptune-like | 660.7 ly | 41.968 days | 2021Transit |