The Kepler-725 System
Kepler-725 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 2,474 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-725
Planets without a measured radius are not shown.
Kepler-725: Star and Habitable Zone
Kepler-725
- Surface temperature
- 5,395 K (Sun: 5,772 K)
- Mass
- 0.95 M☉
- Radius
- 0.88 R☉
- Age
- 1.6 billion years (Sun: 4.6)
Habitable zone of Kepler-725: 0.589–1.403 AU (conservative: 0.746–1.330 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-725 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-725 b | Cold Gas Giant | 40 d | 10.80 R⊕ | 0.17 | 2016 |
| Kepler-725 c HZ | Super Earth | 208 d | — | — | 2025 |
Discovery History
The first planet found here, Kepler-725 b, was discovered in 2016 using the transit method. The most recent addition, Kepler-725 c, followed in 2025.
- 2016 — Kepler-725 b (Transit)
- 2025 — Kepler-725 c (Transit Timing Variations)
Frequently Asked Questions About Kepler-725
How many planets does Kepler-725 have?
Kepler-725 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-725 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-725?
Kepler-725 is about 2,474 light-years from Earth in the constellation Lyra.
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