CONFIRMED EXOPLANET
·
Gas Giant
HN Peg b
Orbits Host Star: HN Peg
(Type G0 V)
· Distance: 59.100 Light-Years (18.119 pc)
Planetary Radius
11.777 R⊕
Planetary Mass
6991.570 M⊕
Surface Gravity
50.41 g / g⊕
Equilibrium Temp
11K (-262°C / -440°F)
Orbital Period
—
Discovery Year
2006 (Imaging)
Habitability Assessment
❄️ Cryogenic Regime: At 11 K (-262°C / -440°F), surface volatiles would be frozen in a permanent snowball state without substantial internal geothermal or tidal heating.
Discovery Facility: Spitzer Space Telescope.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS