STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // BD+20 2457 c
← Return to All Worlds
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
Inspect Raw NASA Archive Record ↗