The Kepler-298 System
Kepler-298 is a planetary system in the constellation Draco hosting 3 confirmed exoplanets, about 1,690 light-years from Earth. One of its planets orbits within the habitable zone, where liquid water could exist on a planetary surface.
Size Comparison: The Planets of Kepler-298
Kepler-298: Star and Habitable Zone
Kepler-298
- Surface temperature
- 4,465 K (Sun: 5,772 K)
- Radius
- 0.58 R☉
Habitable zone of Kepler-298: 0.278–0.689 AU (conservative: 0.352–0.653 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 3 Planets in the Kepler-298 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-298 b | Super Earth | 10 d | 1.96 R⊕ | 0.30 | 2014 |
| Kepler-298 c | Super Earth | 23 d | 1.93 R⊕ | 0.38 | 2014 |
| Kepler-298 d HZ | Mini Neptune | 77 d | 2.50 R⊕ | 0.62 | 2014 |
Discovery History
The first planet found here, Kepler-298 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-298 b (Transit)
- 2014 — Kepler-298 c (Transit)
- 2014 — Kepler-298 d (Transit)
Frequently Asked Questions About Kepler-298
How many planets does Kepler-298 have?
Kepler-298 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-298 system habitable?
One planet in the system orbits within the habitable zone, where liquid water could exist. Actual habitability depends on atmospheres and composition, which are not yet known.
How far away is Kepler-298?
Kepler-298 is about 1,690 light-years from Earth in the constellation Draco.
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