Skip to main content

The KOI-319 System

2 planets Cygnus

KOI-319 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 2,153 light-years from Earth.

Size Comparison: The Planets of KOI-319

Earth1.00 R⊕b10.67 R⊕
Compare any two worlds side by side in the Exoplanet Explorer app ›

Planets without a measured radius are not shown.

KOI-319: Star and Habitable Zone

KOI-319

Surface temperature
5,880 K (Sun: 5,772 K)
Mass
1.33 M☉
Radius
2.06 R☉
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of KOI-319: 1.594–3.746 AU (conservative: 2.019–3.552 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 KOI-319 System

PlanetTypeOrbitRadiusESIDiscovered
KOI-319 bCold Gas Giant46 d10.67 R⊕2014
KOI-319 c80 d2014

Discovery History

The first planet found here, KOI-319 b, was discovered in 2014 using the transit method.

Frequently Asked Questions About KOI-319

How many planets does KOI-319 have?

KOI-319 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the KOI-319 system habitable?

None of the known planets in KOI-319 orbit within the star's habitable zone.

How far away is KOI-319?

KOI-319 is about 2,153 light-years from Earth in the constellation Cygnus.

Exoplanet Explorer app icon

Explore the KOI-319 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