CONFIRMED EXOPLANET
·
Gas Giant
HD 210277 b
Orbits Host Star: HD 210277
(Type G0 V)
· Distance: 69.500 Light-Years (21.299 pc)
Planetary Radius
13.600 R⊕
Planetary Mass
410.001 M⊕
Surface Gravity
2.22 g / g⊕
Equilibrium Temp
260K (-13°C / +9°F)
Orbital Period
442.19 days
Discovery Year
1998 (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