The HIP 5158 System
2 planets
Cetus
HIP 5158 is a planetary system in the constellation Cetus hosting 2 confirmed exoplanets, about 168 light-years from Earth.
HIP 5158: Star and Habitable Zone
HIP 5158
- Surface temperature
- 4,962 K (Sun: 5,772 K)
- Mass
- 0.78 M☉
- Luminosity
- 0.1100 L☉
- Age
- 6.0 billion years (Sun: 4.6)
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of HIP 5158: 0.260–0.630 AU (conservative: 0.330–0.597 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 2 Planets in the HIP 5158 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HIP 5158 b | Cold Gas Giant | 346 d | — | 0.21 | 2009 |
| HIP 5158 c | — | 9,018 d | — | 0.08 | 2011 |
Discovery History
The first planet found here, HIP 5158 b, was discovered in 2009 using the radial velocity method. The most recent addition, HIP 5158 c, followed in 2011.
- 2009 — HIP 5158 b (Radial Velocity)
- 2011 — HIP 5158 c (Radial Velocity)
Frequently Asked Questions About HIP 5158
How many planets does HIP 5158 have?
HIP 5158 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HIP 5158 system habitable?
None of the known planets in HIP 5158 orbit within the star's habitable zone.
How far away is HIP 5158?
HIP 5158 is about 168 light-years from Earth in the constellation Cetus.