The star
The star
Kepler-32
- Type
- M1 V
- Surface
- ≈ 3,900 K
- Size
- 0.53 × the Sun
- Mass
- 0.58 × the Sun
- Brightness
- 0.051 × the Sun
- Habitable zone
- 0.184–0.467 AU
The planets
Kepler-32
Kepler-32 f
- Year
- 0.74 days
- Distance from star
- 0.013 AU
- Mass
- 5.9 Jupiters
- Size
- 0.82 × Earth
- Temperature
- ≈ 1026 K (+753 °C)
- Found
- 2012, transit (Kepler)
Kepler-32
Kepler-32 e
- Year
- 2.90 days
- Distance from star
- 0.033 AU
- Mass
- 1.1 Earths
- Size
- 1.5 × Earth
- Temperature
- ≈ 652 K (+379 °C)
- Found
- 2012, transit (Kepler)
Kepler-32
Kepler-32 b
- Year
- 5.90 days
- Distance from star
- 0.05 AU
- Mass
- 4.1 Jupiters
- Size
- 2.2 × Earth
- Temperature
- ≈ 514 K (+241 °C)
- Found
- 2011, transit (Kepler)
Kepler-32
Kepler-32 c
- Year
- 8.75 days
- Distance from star
- 0.09 AU
- Mass
- 1.6e+02 Earths
- Size
- 2 × Earth
- Temperature
- ≈ 451 K (+178 °C)
- Found
- 2011, transit (Kepler)
Kepler-32
Kepler-32 d
- Year
- 22.78 days
- Distance from star
- 0.13 AU
- Mass
- 40 Earths
- Size
- 2.7 × Earth
- Temperature
- ≈ 328 K (+55 °C)
- Found
- 2012, transit (Kepler)
Masses found by the wobble method are minimums, because the orbit's tilt is unknown. Temperatures are equilibrium estimates for a bare planet, before any atmosphere.
How we know
The shadow
The planet passes in front of its star and dims it by a fraction of a percent, every orbit. The dip gives the planet's size and year.
Sources
- Planet and star parameters: NASA Exoplanet Archive, Planetary Systems Composite Parameters, retrieved 1 Nov 2026. This research has made use of the NASA Exoplanet Archive, which is operated by the California Institute of Technology, under contract with NASA under the Exoplanet Exploration Program.
- Position: HYG Database v4.1 (CC BY-SA 4.0).
- Habitable zone: a simple estimate from the star's brightness (√L × 0.95 to 1.67 AU), shown as a guide.