Gas giant · HD 128311
HD 128311 c
ExoplanetsDiscovered 2005
Scientific overview
HD 128311 c is a gas giant orbiting HD 128311, completing an orbit every 922 days, about 53 light-years from Earth. It was discovered in 2005 using the radial velocity method.
Host star
Planetary system — HD 128311 system
View the HD 128311 system (2 known planets).
| Planet | Class | Radius (R⊕) | Period (d) | Distance (ly) |
|---|---|---|---|---|
| HD 128311 bRadial Velocity · 2002 | Gas giant | 13.5 | 453 | 53 |
| HD 128311 cRadial Velocity · 2005 | Gas giant | 13 | 922 | 53 |
Discovery and detection
Knowledge connections
- OrbitsHD 128311
- Member of systemHD 128311 system
- Discovered by methodRadial Velocity Method
- Discovered atW. M. Keck Observatory
- Catalogued inNASA Exoplanet Archive