STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // HD 101581 b
← Return to All Worlds
CONFIRMED EXOPLANET · Terrestrial

HD 101581 b

Orbits Host Star: HIP 56998 (Type K4/5V) · Distance: 41.700 Light-Years (12.778 pc)
Planetary Radius
0.956 R⊕
Planetary Mass
0.827 M⊕
Surface Gravity
0.9 g / g⊕
Equilibrium Temp
834K (+561°C / +1042°F)
Orbital Period
4.466 days
Discovery Year
2025 (Transit)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (834 K · +561°C / +1042°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: Transiting Exoplanet Survey Satellite (TESS).

Other Worlds in the HIP 56998 System (1)

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
Inspect Raw NASA Archive Record ↗