The Kepler-305 System
4 planets
Cygnus
Kepler-305 is a planetary system in the constellation Cygnus hosting 4 confirmed exoplanets, about 2,833 light-years from Earth.
Size Comparison: The Planets of Kepler-305
Kepler-305: Star and Habitable Zone
Kepler-305
- Mass
- 0.76 M☉
- Radius
- 0.80 R☉
All 4 Planets in the Kepler-305 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-305 b | Puffy Planet | 5.5 d | 3.60 R⊕ | 0.20 | 2013 |
| Kepler-305 c | Puffy Planet | 8.3 d | 3.30 R⊕ | 0.22 | 2013 |
| Kepler-305 d | Mini Neptune | 17 d | 2.76 R⊕ | 0.27 | 2014 |
| Kepler-305 e | Super Earth | 3.2 d | 1.79 R⊕ | 0.27 | 2020 |
Discovery History
The first planet found here, Kepler-305 b, was discovered in 2013 using the transit method. The most recent addition, Kepler-305 e, followed in 2020.
- 2013 — Kepler-305 b (Transit)
- 2013 — Kepler-305 c (Transit)
- 2014 — Kepler-305 d (Transit)
- 2020 — Kepler-305 e (Transit)
Frequently Asked Questions About Kepler-305
How many planets does Kepler-305 have?
Kepler-305 has 4 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-305 system habitable?
None of the known planets in Kepler-305 orbit within the star's habitable zone.
How far away is Kepler-305?
Kepler-305 is about 2,833 light-years from Earth in the constellation Cygnus.
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