The Kepler-647 System
2 planets
Lyra
Kepler-647 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 3,548 light-years from Earth.
Size Comparison: The Planets of Kepler-647
Kepler-647: Star and Habitable Zone
Kepler-647
- Surface temperature
- 6,020 K (Sun: 5,772 K)
- Mass
- 1.03 M☉
- Radius
- 1.07 R☉
- Age
- 4.3 billion years (Sun: 4.6)
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-647: 0.859–2.012 AU (conservative: 1.088–1.907 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-647 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-647 b | Terrestrial | 16 d | 1.17 R⊕ | 0.30 | 2016 |
| Kepler-647 c | Neptune-like | 30 d | 4.00 R⊕ | 0.19 | 2020 |
Discovery History
The first planet found here, Kepler-647 b, was discovered in 2016 using the transit method. The most recent addition, Kepler-647 c, followed in 2020.
- 2016 — Kepler-647 b (Transit)
- 2020 — Kepler-647 c (Transit)
Frequently Asked Questions About Kepler-647
How many planets does Kepler-647 have?
Kepler-647 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-647 system habitable?
None of the known planets in Kepler-647 orbit within the star's habitable zone.
How far away is Kepler-647?
Kepler-647 is about 3,548 light-years from Earth in the constellation Lyra.