The Kepler-454 System
Kepler-454 is a planetary system in the constellation Lyra hosting 3 confirmed exoplanets around 2 stars, about 753 light-years from Earth. One of its planets orbits within the habitable zone, where liquid water could exist on a planetary surface.
Size Comparison: The Planets of Kepler-454
Planets without a measured radius are not shown.
Star Kepler-454 and Its Habitable Zone
Kepler-454
- Surface temperature
- 5,687 K (Sun: 5,772 K)
- Mass
- 1.03 M☉
- Radius
- 1.07 R☉
- Age
- 5.3 billion years (Sun: 4.6)
Habitable zone of Kepler-454: 0.779–1.840 AU (conservative: 0.987–1.745 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 Kepler-454 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-454 b | Mini Neptune | 11 d | 2.37 R⊕ | 0.25 | 2015 |
| Kepler-454 c HZ | Cold Gas Giant | 524 d | — | 0.38 | 2015 |
| Kepler-454 d | Cold Gas Giant | 4,073 d | — | 0.11 | 2023 |
Discovery History
The first planet found here, Kepler-454 b, was discovered in 2015 using the transit method. The most recent addition, Kepler-454 d, followed in 2023.
- 2015 — Kepler-454 b (Transit)
- 2015 — Kepler-454 c (Radial Velocity)
- 2023 — Kepler-454 d (Radial Velocity)
Frequently Asked Questions About Kepler-454
How many planets does Kepler-454 have?
Kepler-454 has 3 confirmed exoplanets distributed around its 2 stars. More may await discovery.
Are any planets in the Kepler-454 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 Kepler-454?
Kepler-454 is about 753 light-years from Earth in the constellation Lyra.
Explore the Kepler-454 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.
