CONFIRMED EXOPLANET
·
Sub-Neptune
GJ 1289 b
Orbits Host Star: GJ 1289
(Type M4.5 Ve)
· Distance: 27.200 Light-Years (8.351 pc)
Planetary Radius
2.380 R⊕
Planetary Mass
6.270 M⊕
Surface Gravity
1.11 g / g⊕
Equilibrium Temp
150K (-123°C / -189°F)
Orbital Period
111.74 days
Discovery Year
2024 (Radial Velocity)
Habitability Assessment
❄️ Cryogenic Regime: At 150 K (-123°C / -189°F), surface volatiles would be frozen in a permanent snowball state without substantial internal geothermal or tidal heating.
Discovery Facility: Multiple Observatories.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS