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Kepler-1542 d is a Rocky exoplanet (a small, dense world with a solid surface), smaller than Earth at 0.87 Earth radii. The planet completes one orbit around its star every 6.0 Earth days. It was discovered in 2016 using the transit method. It orbits the star Kepler-1542, located approximately 399 parsecs (1302 light-years) from Earth.
2016
Discovered
0.87
Earth Radii
Discovery Information
Discovery MethodTransit
Discovery Year2,016
Discovery FacilityKepler
Orbital Properties
Orbital Period5.9927 days
Semi-Major Axis0.0633 AU
Physical Properties
Radius (Jupiter)0.0776 RJ
Radius (Earth)0.87 R⊕
Planetary Extremes
Where Kepler-1542 d sits on the spectrum of all known exoplanets.
Radius0.87 R⊕
TinyEnormous
Year Length6.0 days
LightningGlacial
Star Distance0.063 AU
ScorchedFrozen exile
Star System View
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Size Comparison
0.87x Earth's radius
Orbit Comparison
Earth: 365.25 days (1 AU)Kepler-1542 d: 6.0 Earth days (0.063 AU)
Host Star: Kepler-1542
Effective Temperature5,564 K
Mass0.94 M☉
Radius0.99 R☉
Size vs Sun1.01x smaller
Metallicity [Fe/H]0.06
Distance (pc)399.114 pc
Distance (ly)1301.7 light-years
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