The HD 108874 System
HD 108874 is a planetary system in the constellation Coma Berenices hosting 2 confirmed exoplanets, about 194 light-years from Earth. One of its planets orbits within the habitable zone, where liquid water could exist on a planetary surface.
HD 108874: Star and Habitable Zone
HD 108874
- Surface temperature
- 5,600 K (Sun: 5,772 K)
- Mass
- 1.10 M☉
- Radius
- 1.05 R☉
Habitable zone of HD 108874: 0.748–1.771 AU (conservative: 0.948–1.679 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 HD 108874 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 108874 b HZ | Cold Gas Giant | 394 d | — | 0.39 | 2002 |
| HD 108874 c | Cold Gas Giant | 1,624 d | — | 0.19 | 2005 |
Discovery History
The first planet found here, HD 108874 b, was discovered in 2002 using the radial velocity method. The most recent addition, HD 108874 c, followed in 2005.
- 2002 — HD 108874 b (Radial Velocity)
- 2005 — HD 108874 c (Radial Velocity)
Frequently Asked Questions About HD 108874
How many planets does HD 108874 have?
HD 108874 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 108874 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 108874?
HD 108874 is about 194 light-years from Earth in the constellation Coma Berenices.
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