The HD 13808 System
HD 13808 is a planetary system in the constellation Eridanus hosting 2 confirmed exoplanets, about 92 light-years from Earth.
HD 13808: Star and Habitable Zone
HD 13808
- Spectral type
- K2 V
- Surface temperature
- 5,035 K (Sun: 5,772 K)
- Mass
- 0.77 M☉
- Radius
- 0.78 R☉
- Age
- 7.2 billion years (Sun: 4.6)
Habitable zone of HD 13808: 0.464–1.120 AU (conservative: 0.587–1.062 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 13808 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 13808 b | Neptune-like | 14 d | — | 0.23 | 2021 |
| HD 13808 c | Super Earth | 54 d | — | 0.38 | 2021 |
Discovery History
The first planet found here, HD 13808 b, was discovered in 2021 using the radial velocity method.
- 2021 — HD 13808 b (Radial Velocity)
- 2021 — HD 13808 c (Radial Velocity)
Frequently Asked Questions About HD 13808
How many planets does HD 13808 have?
HD 13808 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 13808 system habitable?
None of the known planets in HD 13808 orbit within the star's habitable zone.
How far away is HD 13808?
HD 13808 is about 92 light-years from Earth in the constellation Eridanus.
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