CONFIRMED EXOPLANET
·
Gas Giant
HD 278555 b
Orbits Host Star: HD 278555
(Type F8)
· Distance: 945.300 Light-Years (289.829 pc)
Planetary Radius
11.030 R⊕
Planetary Mass
266.976 M⊕
Surface Gravity
2.19 g / g⊕
Equilibrium Temp
853K (+580°C / +1076°F)
Orbital Period
28.842 days
Discovery Year
2026 (Transit)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (853 K · +580°C / +1076°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Transiting Exoplanet Survey Satellite (TESS).
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS