The HD 69830 System
HD 69830 is a planetary system in the constellation Puppis hosting 3 confirmed exoplanets, about 41 light-years from Earth. One of its planets orbits within the habitable zone, where liquid water could exist on a planetary surface.
HD 69830: Star and Habitable Zone
HD 69830
- Surface temperature
- 5,385 K (Sun: 5,772 K)
- Mass
- 0.86 M☉
- Luminosity
- 0.6026 L☉
- Age
- 7.0 billion years (Sun: 4.6)
Habitable zone of HD 69830: 0.596–1.421 AU (conservative: 0.755–1.347 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 3 Planets in the HD 69830 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 69830 b | Neptune-like | 8.7 d | — | 0.22 | 2006 |
| HD 69830 c | Neptune-like | 32 d | — | 0.26 | 2006 |
| HD 69830 d HZ | Neptune-like | 197 d | — | 0.53 | 2006 |
Discovery History
The first planet found here, HD 69830 b, was discovered in 2006 using the radial velocity method.
- 2006 — HD 69830 b (Radial Velocity)
- 2006 — HD 69830 c (Radial Velocity)
- 2006 — HD 69830 d (Radial Velocity)
Frequently Asked Questions About HD 69830
How many planets does HD 69830 have?
HD 69830 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the HD 69830 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 69830?
HD 69830 is about 41 light-years from Earth in the constellation Puppis.
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