CONFIRMED EXOPLANET
·
Sub-Neptune
HD 180617 b
Orbits Host Star: HD 180617
(Type M2.5 V)
· Distance: 19.300 Light-Years (5.911 pc)
Planetary Radius
3.530 R⊕
Planetary Mass
12.214 M⊕
Surface Gravity
0.98 g / g⊕
Equilibrium Temp
202K (-71°C / -96°F)
Orbital Period
105.911 days
Discovery Year
2018 (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: Calar Alto Observatory.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS