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Rocky

HD 23472 d

Orbiting HD 23472 | 39.0 parsecs away

2022

Discovered

0.6

Earth Masses

0.75

Earth Radii

909

Temperature (K)

Discovery Information

Discovery MethodTransit
Discovery Year2,022
Discovery FacilityTransiting Exoplanet Survey Satellite (TESS)

Orbital Properties

Orbital Period3.9766 days
Semi-Major Axis0.043 AU
Eccentricity0.07
Inclination87.95 deg

Physical Properties

Mass (Jupiter)0.0017 MJ
Mass (Earth)0.55 M⊕
Radius (Jupiter)0.0669 RJ
Radius (Earth)0.75 R⊕
Density7.5 g/cm3
Eq. Temperature909 K
Insolation Flux117 S⊕
Planetary Extremes

Where HD 23472 d sits on the spectrum of all known exoplanets.

Mass0.6 M⊕
FeatherweightColossus
Radius0.75 R⊕
TinyEnormous
Temperature909 K
FrozenInferno
Year Length4.0 days
LightningGlacial
Density7.50 g/cm³
FluffyIron-dense
Star Distance0.043 AU
ScorchedFrozen exile
Star System View
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Size Comparison
EarthHD 23472 dJupiter

0.75x Earth's radius

Orbit Comparison
EarthHD 23472 d
Earth: 365.25 days (1 AU)HD 23472 d: 4.0 Earth days (0.043 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?

68.4 kg

Your weight (from 70 kg)

0.98g

Earth-like

Feels just like home — comfortably familiar.

4.0 Earth days

Year length

Orange sunrise

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Related Research

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