Mini-Neptune · HD 40307
HD 40307 g
ExoplanetsDiscovered 2013
Scientific overview
HD 40307 g is a mini-neptune orbiting HD 40307, completing an orbit every 198 days, about 42 light-years from Earth. It was discovered in 2013 using the radial velocity method.
Host star
Planetary system — HD 40307 system
View the HD 40307 system (5 known planets).
| Planet | Class | Radius (R⊕) | Period (d) | Distance (ly) |
|---|---|---|---|---|
| HD 40307 bRadial Velocity · 2009 | — | — | 4.3123 | 42 |
| HD 40307 cRadial Velocity · 2009 | — | — | 9.6184 | 42 |
| HD 40307 dRadial Velocity · 2009 | — | — | 20.432 | 42 |
| HD 40307 fRadial Velocity · 2013 | Super-Earth | 2.13 | 51.76 | 42 |
| HD 40307 gRadial Velocity · 2013 | Mini-Neptune | 2.56 | 198 | 42 |
Discovery and detection
Knowledge connections
- OrbitsHD 40307
- Member of systemHD 40307 system
- Discovered by methodRadial Velocity Method
- Discovered atLa Silla Observatory
- Catalogued inNASA Exoplanet Archive