CONFIRMED EXOPLANET
·
Gas Giant
GJ 317 b
Orbits Host Star: GJ 317
(Type M3.5 V)
· Distance: 49.600 Light-Years (15.197 pc)
Planetary Radius
13.300 R⊕
Planetary Mass
794.500 M⊕
Surface Gravity
4.49 g / g⊕
Equilibrium Temp
100K (-173°C / -279°F)
Orbital Period
695.69 days
Discovery Year
2007 (Radial Velocity)
Habitability Assessment
❄️ Cryogenic Regime: At 100 K (-173°C / -279°F), surface volatiles would be frozen in a permanent snowball state without substantial internal geothermal or tidal heating.
Discovery Facility: W. M. Keck Observatory.
Other Worlds in the GJ 317 System (1)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS