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2011
Discovered
0.7
Earth Masses
0.87
Earth Radii
Discovery Information
Discovery MethodOrbital Brightness Modulation
Discovery Year2,011
Discovery FacilityKepler
Orbital Properties
Orbital Period0.3429 days
Semi-Major Axis0.0076 AU
Inclination65 deg
Physical Properties
Mass (Jupiter)0.0021 MJ
Mass (Earth)0.655 M⊕
Radius (Jupiter)0.0773 RJ
Radius (Earth)0.867 R⊕
Planetary Extremes
Where KOI-55 c sits on the spectrum of all known exoplanets.
Mass0.7 M⊕
FeatherweightColossus
Radius0.87 R⊕
TinyEnormous
Year Length8.2 hrs
LightningGlacial
Star Distance7.6e-3 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)KOI-55 c: 8.2 hours (0.008 AU)
Host Star: KOI-55
Spectral TypeB
Effective Temperature27,730 K
Mass0.496 M☉
Radius0.203 R☉
Size vs Sun4.93x smaller
Luminosity22.9087 L☉
Luminosity vs Sun22.909x brighter
Distance (pc)1,231.02 pc
Distance (ly)4015.0 light-years
Other Planets in the KOI-55 System
What If You Lived Here?
61.0 kg
Your weight (from 70 kg)
0.87g
Earth-like
Feels just like home — comfortably familiar.
8.2 hours
Year length
Blue-White sunrise
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