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KOI-142 b is a Neptune-like exoplanet (an ice giant with a thick atmosphere), about 3.4 times the radius of Earth. The planet completes one orbit around its star every 10.9 Earth days. It was discovered in 2013 using the transit method. It orbits the star KOI-142, located approximately 377 parsecs (1229 light-years) from Earth.
2013
Discovered
9.5
Earth Masses
3.44
Earth Radii
Discovery Information
Discovery MethodTransit
Discovery Year2,013
Discovery FacilityKepler
Orbital Properties
Orbital Period10.9165 days
Semi-Major Axis0.096 AU
Eccentricity0.0556
Inclination90.97 deg
Physical Properties
Mass (Jupiter)0.03 MJ
Mass (Earth)9.5 M⊕
Radius (Jupiter)0.3067 RJ
Radius (Earth)3.438 R⊕
Density1.29 g/cm3
Planetary Extremes
Where KOI-142 b sits on the spectrum of all known exoplanets.
Mass9.5 M⊕
FeatherweightColossus
Radius3.44 R⊕
TinyEnormous
Year Length10.9 days
LightningGlacial
Density1.29 g/cm³
FluffyIron-dense
Star Distance0.096 AU
ScorchedFrozen exile
Star System View
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Size Comparison
3.44x Earth's radius (0.31x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)KOI-142 b: 10.9 Earth days (0.096 AU)
Host Star: KOI-142
Effective Temperature5,466 K
Mass0.99 M☉
Radius0.897 R☉
Size vs Sun1.11x smaller
Metallicity [Fe/H]0.27
Distance (pc)376.863 pc
Distance (ly)1229.2 light-years
Planets in the KOI-142 System
What If You Lived Here?
56.3 kg
Your weight (from 70 kg)
0.80g
Light
Noticeably easier to move. You could jump much higher.
10.9 Earth days
Year length
Unknown sunrise
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