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CONFIRMED EXOPLANET · Sub-Neptune

HR 858 d

Orbits Host Star: HR 858 (Type F6 V) · Distance: 104.300 Light-Years (31.964 pc)
Planetary Radius
2.001 R⊕
Planetary Mass
7.100 M⊕
Surface Gravity
1.77 g / g⊕
Equilibrium Temp
1061K (+788°C / +1450°F)
Orbital Period
11.231 days
Discovery Year
2019 (Transit)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (1061 K · +788°C / +1450°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: Transiting Exoplanet Survey Satellite (TESS).

Other Worlds in the HR 858 System (2)

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
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