PLANETARY SYSTEM
HD 191939
6 confirmed planets in our catalogue, 174.8 light-years from Earth.
HD 191939 b8.88 daysHD 191939 c28.58 daysHD 191939 d38.353 daysHD 191939 e101.12 daysHD 191939 g284 daysHD 191939 f2,898 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 |
|---|---|---|---|---|
| HD 191939 b ↗HD 191939 | Neptune-like | 174.8 ly | 8.88 days | 2020Transit |
| HD 191939 c ↗HD 191939 | Neptune-like | 174.8 ly | 28.58 days | 2020Transit |
| HD 191939 d ↗HD 191939 | Neptune-like | 174.8 ly | 38.353 days | 2020Transit |
| HD 191939 e ↗HD 191939 | Gas giant | 174.8 ly | 101.12 days | 2022Radial Velocity |
| HD 191939 g ↗HD 191939 | Neptune-like | 174.8 ly | 284 days | 2022Radial Velocity |
| HD 191939 f ↗HD 191939 | Gas giant | 174.8 ly | 2,898 days | 2022Radial Velocity |
System discovery history
2020 · HD 191939 b · Transit
2020 · HD 191939 c · Transit
2020 · HD 191939 d · Transit
2022 · HD 191939 e · Radial Velocity
2022 · HD 191939 g · Radial Velocity
2022 · HD 191939 f · Radial Velocity