The HD 215152 System
HD 215152 is a planetary system in the constellation Aquarius hosting 4 confirmed exoplanets, about 70 light-years from Earth.
HD 215152: Star and Habitable Zone
HD 215152
- Spectral type
- K3 V
- Surface temperature
- 4,935 K (Sun: 5,772 K)
- Mass
- 0.77 M☉
- Radius
- 0.73 R☉
Habitable zone of HD 215152: 0.418–1.014 AU (conservative: 0.530–0.962 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
See the full interactive habitable-zone view in the Exoplanet Explorer app ›
All 4 Planets in the HD 215152 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 215152 b | Terrestrial | 5.8 d | — | 0.31 | 2018 |
| HD 215152 c | Terrestrial | 7.3 d | — | 0.31 | 2018 |
| HD 215152 d | Super Earth | 11 d | — | 0.31 | 2018 |
| HD 215152 e | Super Earth | 25 d | — | 0.38 | 2018 |
Discovery History
The first planet found here, HD 215152 b, was discovered in 2018 using the radial velocity method.
- 2018 — HD 215152 b (Radial Velocity)
- 2018 — HD 215152 c (Radial Velocity)
- 2018 — HD 215152 d (Radial Velocity)
- 2018 — HD 215152 e (Radial Velocity)
Frequently Asked Questions About HD 215152
How many planets does HD 215152 have?
HD 215152 has 4 confirmed exoplanets. More may await discovery.
Are any planets in the HD 215152 system habitable?
None of the known planets in HD 215152 orbit within the star's habitable zone.
How far away is HD 215152?
HD 215152 is about 70 light-years from Earth in the constellation Aquarius.
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