CONFIRMED EXOPLANET
·
Gas Giant
HD 221287 b
Orbits Host Star: HD 221287
(Type F7 V)
· Distance: 182.400 Light-Years (55.923 pc)
Planetary Radius
13.100 R⊕
Planetary Mass
982.050 M⊕
Surface Gravity
5.72 g / g⊕
Equilibrium Temp
290K (+17°C / +63°F)
Orbital Period
456.1 days
Discovery Year
2007 (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.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS