The Kepler-1491 System
2 planets
Cygnus
Kepler-1491 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 6,737 light-years from Earth.
Size Comparison: The Planets of Kepler-1491
Kepler-1491: Star and Habitable Zone
Kepler-1491
- Surface temperature
- 5,728 K (Sun: 5,772 K)
- Mass
- 1.00 M☉
- Radius
- 0.99 R☉
- Age
- 4.6 billion years (Sun: 4.6)
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-1491: 0.732–1.728 AU (conservative: 0.928–1.638 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-1491 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-1491 b | Super Earth | 17 d | 1.51 R⊕ | 0.29 | 2016 |
| Kepler-1491 c | Mini Neptune | 62 d | 2.44 R⊕ | 0.28 | 2023 |
Discovery History
The first planet found here, Kepler-1491 b, was discovered in 2016 using the transit method. The most recent addition, Kepler-1491 c, followed in 2023.
- 2016 — Kepler-1491 b (Transit)
- 2023 — Kepler-1491 c (Transit)
Frequently Asked Questions About Kepler-1491
How many planets does Kepler-1491 have?
Kepler-1491 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-1491 system habitable?
None of the known planets in Kepler-1491 orbit within the star's habitable zone.
How far away is Kepler-1491?
Kepler-1491 is about 6,737 light-years from Earth in the constellation Cygnus.