The Kepler-633 System
Kepler-633 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 2,220 light-years from Earth.
Size Comparison: The Planets of Kepler-633
Kepler-633: Star and Habitable Zone
Kepler-633
- Surface temperature
- 5,899 K (Sun: 5,772 K)
- Mass
- 1.02 M☉
- Radius
- 1.15 R☉
- Age
- 6.0 billion years (Sun: 4.6)
Habitable zone of Kepler-633: 0.893–2.097 AU (conservative: 1.131–1.989 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-633 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-633 b | Super Earth | 8.5 d | 1.63 R⊕ | 0.28 | 2016 |
| Kepler-633 c | Mini Neptune | 24 d | 2.30 R⊕ | 0.26 | 2021 |
Discovery History
The first planet found here, Kepler-633 b, was discovered in 2016 using the transit method. The most recent addition, Kepler-633 c, followed in 2021.
- 2016 — Kepler-633 b (Transit)
- 2021 — Kepler-633 c (Transit)
Frequently Asked Questions About Kepler-633
How many planets does Kepler-633 have?
Kepler-633 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-633 system habitable?
None of the known planets in Kepler-633 orbit within the star's habitable zone.
How far away is Kepler-633?
Kepler-633 is about 2,220 light-years from Earth in the constellation Cygnus.
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