The HD 113538 System
HD 113538 is a planetary system in the constellation Centaurus hosting 2 confirmed exoplanets, about 53 light-years from Earth.
HD 113538: Star and Habitable Zone
HD 113538
- Spectral type
- K9 V
- Surface temperature
- 4,462 K (Sun: 5,772 K)
- Mass
- 0.59 M☉
- Radius
- 0.53 R☉
- Age
- 4.3 billion years (Sun: 4.6)
Habitable zone of HD 113538: 0.253–0.626 AU (conservative: 0.321–0.594 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 113538 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 113538 b | Cold Gas Giant | 663 d | — | 0.13 | 2010 |
| HD 113538 c | Cold Gas Giant | 1,818 d | — | 0.08 | 2010 |
Discovery History
The first planet found here, HD 113538 b, was discovered in 2010 using the radial velocity method.
- 2010 — HD 113538 b (Radial Velocity)
- 2010 — HD 113538 c (Radial Velocity)
Frequently Asked Questions About HD 113538
How many planets does HD 113538 have?
HD 113538 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 113538 system habitable?
None of the known planets in HD 113538 orbit within the star's habitable zone.
How far away is HD 113538?
HD 113538 is about 53 light-years from Earth in the constellation Centaurus.
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