Skip to main content

The K2-32 System

4 planets 2 stars Ophiuchus

K2-32 is a planetary system in the constellation Ophiuchus hosting 4 confirmed exoplanets around 2 stars, about 514 light-years from Earth.

Size Comparison: The Planets of K2-32

Earth1.00 R⊕b5.30 R⊕c3.13 R⊕d3.48 R⊕e1.21 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

Star K2-32 and Its Habitable Zone

K2-32

Surface temperature
5,271 K (Sun: 5,772 K)
Mass
0.83 M☉
Radius
0.86 R☉
K2-32 b K2-32 c K2-32 d K2-32 e
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of K2-32: 0.553–1.323 AU (conservative: 0.700–1.255 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 4 Planets in the K2-32 System

PlanetTypeOrbitRadiusESIDiscovered
K2-32 bNeptune-like9.0 d5.30 R⊕0.162016
K2-32 cPuffy Planet21 d3.13 R⊕0.272016
K2-32 dPuffy Planet32 d3.48 R⊕0.312016
K2-32 eTerrestrial4.3 d1.21 R⊕0.302019

Discovery History

The first planet found here, K2-32 b, was discovered in 2016 using the transit method. The most recent addition, K2-32 e, followed in 2019.

Frequently Asked Questions About K2-32

How many planets does K2-32 have?

K2-32 has 4 confirmed exoplanets distributed around its 2 stars. More may await discovery.

Are any planets in the K2-32 system habitable?

None of the known planets in K2-32 orbit within the star's habitable zone.

How far away is K2-32?

K2-32 is about 514 light-years from Earth in the constellation Ophiuchus.

Exoplanet Explorer app icon

Explore the K2-32 system in the app

Browse, filter and compare 6,000+ exoplanets on iPhone, iPad and Apple Watch — with habitable-zone views, widgets and offline data.

Download on the App Store