The TOI-2158 System
TOI-2158 is a planetary system in the constellation Hercules hosting 2 confirmed exoplanets, about 647 light-years from Earth.
Size Comparison: The Planets of TOI-2158
Planets without a measured radius are not shown.
TOI-2158: Star and Habitable Zone
TOI-2158
- Surface temperature
- 5,673 K (Sun: 5,772 K)
- Mass
- 1.12 M☉
- Radius
- 1.32 R☉
- Age
- 7.7 billion years (Sun: 4.6)
Habitable zone of TOI-2158: 0.961–2.270 AU (conservative: 1.217–2.153 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 TOI-2158 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| TOI-2158 b | Hot Jupiter | 8.6 d | 10.08 R⊕ | 0.08 | 2022 |
| TOI-2158 c | Cold Gas Giant | 415 d | — | — | 2026 |
Discovery History
The first planet found here, TOI-2158 b, was discovered in 2022 using the transit method. The most recent addition, TOI-2158 c, followed in 2026.
- 2022 — TOI-2158 b (Transit)
- 2026 — TOI-2158 c (Radial Velocity)
Frequently Asked Questions About TOI-2158
How many planets does TOI-2158 have?
TOI-2158 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-2158 system habitable?
None of the known planets in TOI-2158 orbit within the star's habitable zone.
How far away is TOI-2158?
TOI-2158 is about 647 light-years from Earth in the constellation Hercules.
Explore the TOI-2158 system in the app
Browse, filter and compare 6,000+ exoplanets on iPhone, iPad and Apple Watch — with habitable-zone views, widgets and offline data.
