CONFIRMED EXOPLANET
·
Gas Giant
BD+20 2457 c
Orbits Host Star: BD+20 2457
(Type K2 II)
· Distance: 5021.900 Light-Years (1539.710 pc)
Planetary Radius
12.400 R⊕
Planetary Mass
3963.170 M⊕
Surface Gravity
25.78 g / g⊕
Equilibrium Temp
985K (+712°C / +1314°F)
Orbital Period
621.99 days
Discovery Year
2009 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (985 K · +712°C / +1314°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: McDonald Observatory.
Other Worlds in the BD+20 2457 System (1)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS