The HD 10180 System
HD 10180 is a planetary system in the constellation Hydrus hosting 6 confirmed exoplanets, about 127 light-years from Earth. One of its planets orbits within the habitable zone, where liquid water could exist on a planetary surface.
HD 10180: Star and Habitable Zone
HD 10180
- Surface temperature
- 5,911 K (Sun: 5,772 K)
- Mass
- 1.06 M☉
- Radius
- 1.11 R☉
Habitable zone of HD 10180: 0.864–2.029 AU (conservative: 1.094–1.923 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 6 Planets in the HD 10180 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 10180 c | Neptune-like | 5.8 d | — | 0.19 | 2010 |
| HD 10180 d | Neptune-like | 16 d | — | 0.21 | 2010 |
| HD 10180 e | Neptune-like | 50 d | — | 0.20 | 2010 |
| HD 10180 f | Neptune-like | 123 d | — | 0.30 | 2010 |
| HD 10180 g HZ | Neptune-like | 605 d | — | 0.52 | 2010 |
| HD 10180 h | Cold Gas Giant | 2,205 d | — | 0.21 | 2010 |
Discovery History
The first planet found here, HD 10180 c, was discovered in 2010 using the radial velocity method.
- 2010 — HD 10180 c (Radial Velocity)
- 2010 — HD 10180 d (Radial Velocity)
- 2010 — HD 10180 e (Radial Velocity)
- 2010 — HD 10180 f (Radial Velocity)
- 2010 — HD 10180 g (Radial Velocity)
- 2010 — HD 10180 h (Radial Velocity)
Frequently Asked Questions About HD 10180
How many planets does HD 10180 have?
HD 10180 has 6 confirmed exoplanets. More may await discovery.
Are any planets in the HD 10180 system habitable?
One planet in the system orbits within the habitable zone, where liquid water could exist. Actual habitability depends on atmospheres and composition, which are not yet known.
How far away is HD 10180?
HD 10180 is about 127 light-years from Earth in the constellation Hydrus.
Explore the HD 10180 system in the app
Browse, filter and compare 6,000+ exoplanets on iPhone, iPad and Apple Watch — with habitable-zone views, widgets and offline data.
