The TOI-1774 System
TOI-1774 is a planetary system in the constellation Leo Minor hosting 2 confirmed exoplanets, about 176 light-years from Earth.
Size Comparison: The Planets of TOI-1774
Planets without a measured radius are not shown.
TOI-1774: Star and Habitable Zone
TOI-1774
- Surface temperature
- 5,746 K (Sun: 5,772 K)
- Mass
- 0.99 M☉
- Radius
- 1.13 R☉
- Age
- 7.4 billion years (Sun: 4.6)
Habitable zone of TOI-1774: 0.840–1.982 AU (conservative: 1.065–1.879 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-1774 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| TOI-1774.01 | Mini Neptune | 17 d | 2.78 R⊕ | — | 2021 |
| HD 85426 c | Neptune-like | 36 d | — | — | 2026 |
Discovery History
The first planet found here, TOI-1774.01, was discovered in 2021 using the transit method. The most recent addition, HD 85426 c, followed in 2026.
- 2021 — TOI-1774.01 (Transit)
- 2026 — HD 85426 c (Radial Velocity)
Frequently Asked Questions About TOI-1774
How many planets does TOI-1774 have?
TOI-1774 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-1774 system habitable?
None of the known planets in TOI-1774 orbit within the star's habitable zone.
How far away is TOI-1774?
TOI-1774 is about 176 light-years from Earth in the constellation Leo Minor.
Explore the TOI-1774 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.
