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2012
Discovered
2.1
Earth Masses
7.10
Earth Radii
543
Temperature (K)
Discovery Information
Discovery MethodTransit
Discovery Year2,012
Discovery FacilityKepler
Orbital Properties
Orbital Period45.154 days
Semi-Major Axis0.2514 AU
Eccentricity0.04
Physical Properties
Mass (Jupiter)0.007 MJ
Mass (Earth)2.1 M⊕
Radius (Jupiter)0.633 RJ
Radius (Earth)7.1 R⊕
Density0.03 g/cm3
Eq. Temperature543 K
Planetary Extremes
Where Kepler-51 b sits on the spectrum of all known exoplanets.
Mass2.1 M⊕
FeatherweightColossus
Radius7.10 R⊕
TinyEnormous
Temperature543 K
FrozenInferno
Year Length45.2 days
LightningGlacial
Density0.03 g/cm³
FluffyIron-dense
Star Distance0.251 AU
ScorchedFrozen exile
Size Comparison
7.10x Earth's radius (0.63x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)Kepler-51 b: 45.2 Earth days (0.251 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
Star System View
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Other Planets in the Kepler-51 System
What If You Lived Here?
2.9 kg
Your weight (from 70 kg)
0.04g
Near-Weightless
You'd float with every step. A gentle push sends you soaring.
45.2 Earth days
Year length
Unknown sunrise
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