CONFIRMED EXOPLANET
·
Gas Giant
HD 4208 b
Orbits Host Star: HD 4208
(Type G7 V Fe-1 CH-0.5)
· Distance: 111.500 Light-Years (34.194 pc)
Planetary Radius
13.900 R⊕
Planetary Mass
257.442 M⊕
Surface Gravity
1.33 g / g⊕
Equilibrium Temp
197K (-76°C / -105°F)
Orbital Period
832.97 days
Discovery Year
2001 (Radial Velocity)
Habitability Assessment
☁️ Gaseous Envelope: With a radius exceeding 2.2 Earth radii, this world is modeled as a volatile-rich sub-Neptune or Jovian gas giant without a defined solid surface boundary.
Discovery Facility: W. M. Keck Observatory.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS