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HD 23472 f is a Rocky exoplanet (a small, dense world with a solid surface), about 1.1 times the radius of Earth. It has an equilibrium temperature of 630 K (357°C). The planet completes one orbit around its star every 12.2 Earth days. It was discovered in 2022 using the transit method. It orbits the K-type star HD 23472, located approximately 39 parsecs (127 light-years) from Earth.
2022
Discovered
0.8
Earth Masses
1.14
Earth Radii
630
Temperature (K)
Discovery Information
Discovery MethodTransit
Discovery Year2,022
Discovery FacilityTransiting Exoplanet Survey Satellite (TESS)
Orbital Properties
Orbital Period12.1622 days
Semi-Major Axis0.0906 AU
Eccentricity0.07
Inclination88.81 deg
Physical Properties
Mass (Jupiter)0.0024 MJ
Mass (Earth)0.77 M⊕
Radius (Jupiter)0.1014 RJ
Radius (Earth)1.137 R⊕
Density3 g/cm3
Eq. Temperature630 K
Insolation Flux26.3 S⊕
Planetary Extremes
Where HD 23472 f sits on the spectrum of all known exoplanets.
Mass0.8 M⊕
FeatherweightColossus
Radius1.14 R⊕
TinyEnormous
Temperature630 K
FrozenInferno
Year Length12.2 days
LightningGlacial
Density3.00 g/cm³
FluffyIron-dense
Star Distance0.091 AU
ScorchedFrozen exile
Star System View
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Size Comparison
1.14x Earth's radius (0.10x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)HD 23472 f: 12.2 Earth days (0.091 AU)
Host Star: HD 23472
Spectral TypeK4 V
Effective Temperature4,684 K
Mass0.67 M☉
Radius0.71 R☉
Size vs Sun1.41x smaller
Luminosity0.237 L☉
Luminosity vs Sun4.2x dimmer
Metallicity [Fe/H]-0.2
Distance (pc)39.0341 pc
Distance (ly)127.3 light-years
What If You Lived Here?
41.7 kg
Your weight (from 70 kg)
0.60g
Light
Noticeably easier to move. You could jump much higher.
12.2 Earth days
Year length
Orange sunrise
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