The Kepler-373 System
Kepler-373 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 3,557 light-years from Earth.
Size Comparison: The Planets of Kepler-373
Kepler-373: Star and Habitable Zone
Kepler-373
- Surface temperature
- 5,787 K (Sun: 5,772 K)
- Radius
- 0.85 R☉
Habitable zone of Kepler-373: 0.636–1.498 AU (conservative: 0.805–1.420 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-373 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-373 b | Super Earth | 5.5 d | 1.36 R⊕ | 0.29 | 2014 |
| Kepler-373 c | Terrestrial | 17 d | 1.24 R⊕ | 0.30 | 2014 |
Discovery History
The first planet found here, Kepler-373 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-373 b (Transit)
- 2014 — Kepler-373 c (Transit)
Frequently Asked Questions About Kepler-373
How many planets does Kepler-373 have?
Kepler-373 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-373 system habitable?
None of the known planets in Kepler-373 orbit within the star's habitable zone.
How far away is Kepler-373?
Kepler-373 is about 3,557 light-years from Earth in the constellation Cygnus.
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