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2021
Discovered
7.6
Earth Masses
2.63
Earth Radii
309
Temperature (K)
Discovery Information
Discovery MethodRadial Velocity
Discovery Year2,021
Discovery FacilityW. M. Keck Observatory
Orbital Properties
Orbital Period50.8 days
Semi-Major Axis0.2324 AU
Eccentricity0.45
Physical Properties
Mass (Jupiter)0.0239 MJ
Mass (Earth)7.6 M⊕
Radius (Jupiter)0.2346 RJ
Radius (Earth)2.63 R⊕
Eq. Temperature308.6 K
Planetary Extremes
Where GJ 414 A b sits on the spectrum of all known exoplanets.
Mass7.6 M⊕
FeatherweightColossus
Radius2.63 R⊕
TinyEnormous
Temperature309 K
FrozenInferno
Year Length50.8 days
LightningGlacial
Star Distance0.232 AU
ScorchedFrozen exile
Star System View
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Size Comparison
2.63x Earth's radius (0.23x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)GJ 414 A b: 50.8 Earth days (0.232 AU)
Host Star: GJ 414 A
Spectral TypeK7 V
Effective Temperature4,120 K
Mass0.65 M☉
Radius0.68 R☉
Size vs Sun1.47x smaller
Luminosity0.119 L☉
Luminosity vs Sun8.4x dimmer
Metallicity [Fe/H]0.24
Distance (pc)11.8893 pc
Distance (ly)38.8 light-years
Other Planets in the GJ 414 A System
What If You Lived Here?
76.9 kg
Your weight (from 70 kg)
1.10g
Earth-like
Feels just like home — comfortably familiar.
50.8 Earth days
Year length
Orange sunrise
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