The HD 72659 System
2 planets
Hydra
HD 72659 is a planetary system in the constellation Hydra hosting 2 confirmed exoplanets, about 169 light-years from Earth.
HD 72659: Star and Habitable Zone
HD 72659
- Spectral type
- G2 V
- Surface temperature
- 5,929 K (Sun: 5,772 K)
- Mass
- 1.03 M☉
- Radius
- 1.36 R☉
- Age
- 8.0 billion years (Sun: 4.6)
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of HD 72659: 1.065–2.499 AU (conservative: 1.349–2.370 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 72659 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 72659 b | Cold Gas Giant | 3,549 d | — | 0.17 | 2002 |
| HD 72659 c | — | 35,500 d | — | 0.09 | 2022 |
Discovery History
The first planet found here, HD 72659 b, was discovered in 2002 using the radial velocity method. The most recent addition, HD 72659 c, followed in 2022.
- 2002 — HD 72659 b (Radial Velocity)
- 2022 — HD 72659 c (Radial Velocity)
Frequently Asked Questions About HD 72659
How many planets does HD 72659 have?
HD 72659 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 72659 system habitable?
None of the known planets in HD 72659 orbit within the star's habitable zone.
How far away is HD 72659?
HD 72659 is about 169 light-years from Earth in the constellation Hydra.