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2012
Discovered
4.0
Earth Masses
9.00
Earth Radii
439
Temperature (K)
Discovery Information
Discovery MethodTransit
Discovery Year2,012
Discovery FacilityKepler
Orbital Properties
Orbital Period85.312 days
Semi-Major Axis0.384 AU
Eccentricity0.014
Physical Properties
Mass (Jupiter)0.013 MJ
Mass (Earth)4 M⊕
Radius (Jupiter)0.803 RJ
Radius (Earth)9 R⊕
Density0.03 g/cm3
Eq. Temperature439 K
Planetary Extremes
Where Kepler-51 c sits on the spectrum of all known exoplanets.
Mass4.0 M⊕
FeatherweightColossus
Radius9.00 R⊕
TinyEnormous
Temperature439 K
FrozenInferno
Year Length85.3 days
LightningGlacial
Density0.03 g/cm³
FluffyIron-dense
Star Distance0.384 AU
ScorchedFrozen exile
Star System View
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Size Comparison
9.00x Earth's radius (0.80x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)Kepler-51 c: 85.3 Earth days (0.384 AU)
Host Star: Kepler-51
Effective Temperature6,018 K
Mass1.04 M☉
Radius0.94 R☉
Size vs Sun1.06x smaller
Distance (pc)783.831 pc
Distance (ly)2556.5 light-years
Other Planets in the Kepler-51 System
What If You Lived Here?
3.5 kg
Your weight (from 70 kg)
0.05g
Near-Weightless
You'd float with every step. A gentle push sends you soaring.
85.3 Earth days
Year length
Unknown sunrise
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