CONFIRMED EXOPLANET
·
Sub-Neptune
HD 40307 g
Orbits Host Star: HD 40307
(Type K2.5 V)
· Distance: 42.200 Light-Years (12.936 pc)
Planetary Radius
2.560 R⊕
Planetary Mass
7.100 M⊕
Surface Gravity
1.08 g / g⊕
Equilibrium Temp
255K (-18°C / 0°F)
Orbital Period
197.8 days
Discovery Year
2013 (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: La Silla Observatory.
Other Worlds in the HD 40307 System (4)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS