The Kepler-224 System
4 planets
Cygnus
Kepler-224 is a planetary system in the constellation Cygnus hosting 4 confirmed exoplanets, about 2,551 light-years from Earth.
Size Comparison: The Planets of Kepler-224
Kepler-224: Star and Habitable Zone
Kepler-224
- Surface temperature
- 5,018 K (Sun: 5,772 K)
- Radius
- 0.68 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-224: 0.399–0.964 AU (conservative: 0.505–0.914 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 4 Planets in the Kepler-224 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-224 b | Super Earth | 3.1 d | 1.39 R⊕ | 0.29 | 2014 |
| Kepler-224 c | Sub Neptune | 5.9 d | 3.12 R⊕ | 0.22 | 2014 |
| Kepler-224 d | Mini Neptune | 11 d | 2.30 R⊕ | 0.27 | 2014 |
| Kepler-224 e | Super Earth | 19 d | 1.97 R⊕ | 0.32 | 2014 |
Discovery History
The first planet found here, Kepler-224 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-224 b (Transit)
- 2014 — Kepler-224 c (Transit)
- 2014 — Kepler-224 d (Transit)
- 2014 — Kepler-224 e (Transit)
Frequently Asked Questions About Kepler-224
How many planets does Kepler-224 have?
Kepler-224 has 4 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-224 system habitable?
None of the known planets in Kepler-224 orbit within the star's habitable zone.
How far away is Kepler-224?
Kepler-224 is about 2,551 light-years from Earth in the constellation Cygnus.