Mini-Neptune · HD 153557
HD 153557 c
ExoplanetsDiscovered 2022
Scientific overview
HD 153557 c is a mini-neptune orbiting HD 153557, completing an orbit every 15 days, about 59 light-years from Earth. It was discovered in 2022 using the radial velocity method.
Host star
Planetary system — HD 153557 system
View the HD 153557 system (3 known planets).
| Planet | Class | Radius (R⊕) | Period (d) | Distance (ly) |
|---|---|---|---|---|
| HD 153557 bRadial Velocity · 2022 | Mini-Neptune | 4.77 | 7.299 | 59 |
| HD 153557 cRadial Velocity · 2022 | Mini-Neptune | 4.36 | 15.2702 | 59 |
| HD 153557 dRadial Velocity · 2022 | Gas giant | 11.9 | 40655 | 59 |
Discovery and detection
Detection method
Radial Velocity Method
Discovery year
2022
Knowledge connections
- OrbitsHD 153557
- Member of systemHD 153557 system
- Discovered by methodRadial Velocity Method
- Catalogued inNASA Exoplanet Archive