The HD 92788 System
HD 92788 is a planetary system in the constellation Sextans hosting 2 confirmed exoplanets, about 113 light-years from Earth. One of its planets orbits within the habitable zone, where liquid water could exist on a planetary surface.
HD 92788: Star and Habitable Zone
HD 92788
- Spectral type
- G6 V
- Surface temperature
- 5,744 K (Sun: 5,772 K)
- Mass
- 1.15 M☉
- Radius
- 1.14 R☉
- Age
- 2.6 billion years (Sun: 4.6)
Habitable zone of HD 92788: 0.847–1.998 AU (conservative: 1.073–1.894 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 92788 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 92788 b HZ | Cold Gas Giant | 326 d | — | 0.39 | 2000 |
| HD 92788 c | Cold Gas Giant | 11,611 d | — | 0.08 | 2019 |
Discovery History
The first planet found here, HD 92788 b, was discovered in 2000 using the radial velocity method. The most recent addition, HD 92788 c, followed in 2019.
- 2000 — HD 92788 b (Radial Velocity)
- 2019 — HD 92788 c (Radial Velocity)
Frequently Asked Questions About HD 92788
How many planets does HD 92788 have?
HD 92788 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 92788 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 92788?
HD 92788 is about 113 light-years from Earth in the constellation Sextans.
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