The Kepler-219 System
3 planets
Cygnus
Kepler-219 is a planetary system in the constellation Cygnus hosting 3 confirmed exoplanets, about 2,567 light-years from Earth.
Size Comparison: The Planets of Kepler-219
Kepler-219: Star and Habitable Zone
Kepler-219
- Surface temperature
- 5,786 K (Sun: 5,772 K)
- Radius
- 1.49 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-219: 1.122–2.642 AU (conservative: 1.421–2.505 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-219 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-219 b | Mini Neptune | 4.6 d | 2.95 R⊕ | 0.21 | 2014 |
| Kepler-219 c | Sub Neptune | 23 d | 3.58 R⊕ | 0.21 | 2014 |
| Kepler-219 d | Mini Neptune | 48 d | 2.81 R⊕ | 0.27 | 2014 |
Discovery History
The first planet found here, Kepler-219 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-219 b (Transit)
- 2014 — Kepler-219 c (Transit)
- 2014 — Kepler-219 d (Transit)
Frequently Asked Questions About Kepler-219
How many planets does Kepler-219 have?
Kepler-219 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-219 system habitable?
None of the known planets in Kepler-219 orbit within the star's habitable zone.
How far away is Kepler-219?
Kepler-219 is about 2,567 light-years from Earth in the constellation Cygnus.