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The LkCa 15 System

2 planets Taurus

LkCa 15 is a planetary system in the constellation Taurus hosting 2 confirmed exoplanets, about 516 light-years from Earth.

LkCa 15: Star and Habitable Zone

LkCa 15

Surface temperature
4,194 K (Sun: 5,772 K)
Radius
1.61 R☉
LkCa 15 b → LkCa 15 c →
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of LkCa 15: 0.684–1.714 AU (conservative: 0.866–1.625 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 LkCa 15 System

PlanetTypeOrbitRadiusESIDiscovered
LkCa 15 b2015
LkCa 15 c2015

Discovery History

The first planet found here, LkCa 15 b, was discovered in 2015 using the imaging method.

Frequently Asked Questions About LkCa 15

How many planets does LkCa 15 have?

LkCa 15 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the LkCa 15 system habitable?

None of the known planets in LkCa 15 orbit within the star's habitable zone.

How far away is LkCa 15?

LkCa 15 is about 516 light-years from Earth in the constellation Taurus.

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