The Kepler-722 System
2 planets
Cygnus
Kepler-722 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 4,043 light-years from Earth.
Size Comparison: The Planets of Kepler-722
Kepler-722: Star and Habitable Zone
Kepler-722
- Surface temperature
- 5,863 K (Sun: 5,772 K)
- Mass
- 1.03 M☉
- Radius
- 1.05 R☉
- Age
- 4.4 billion years (Sun: 4.6)
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-722: 0.807–1.898 AU (conservative: 1.022–1.799 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 Kepler-722 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-722 b | Mini Neptune | 4.1 d | 2.63 R⊕ | 0.23 | 2016 |
| Kepler-722 c | Mini Neptune | 105 d | 2.82 R⊕ | 0.44 | 2016 |
Discovery History
The first planet found here, Kepler-722 b, was discovered in 2016 using the transit method.
- 2016 — Kepler-722 b (Transit)
- 2016 — Kepler-722 c (Transit)
Frequently Asked Questions About Kepler-722
How many planets does Kepler-722 have?
Kepler-722 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-722 system habitable?
None of the known planets in Kepler-722 orbit within the star's habitable zone.
How far away is Kepler-722?
Kepler-722 is about 4,043 light-years from Earth in the constellation Cygnus.