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2018
Discovered
149.4
Earth Masses
17.60
Earth Radii
1740
Temperature (K)
Discovery Information
Discovery MethodTransit
Discovery Year2,018
Discovery FacilitySuperWASP-South
Orbital Properties
Orbital Period5.4774 days
Semi-Major Axis0.0694 AU
Eccentricity0
Inclination86.7 deg
Physical Properties
Mass (Jupiter)0.47 MJ
Mass (Earth)149.3801 M⊕
Radius (Jupiter)1.57 RJ
Radius (Earth)17.5981 R⊕
Density0.16 g/cm3
Eq. Temperature1,740 K
Planetary Extremes
Where WASP-172 b sits on the spectrum of all known exoplanets.
Mass149.4 M⊕
FeatherweightColossus
Radius17.60 R⊕
TinyEnormous
Temperature1740 K
FrozenInferno
Year Length5.5 days
LightningGlacial
Density0.16 g/cm³
FluffyIron-dense
Star Distance0.069 AU
ScorchedFrozen exile
Star System View
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Size Comparison
17.60x Earth's radius (1.57x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)WASP-172 b: 5.5 Earth days (0.069 AU)
Host Star: WASP-172
Spectral TypeF1 V
Effective Temperature6,900 K
Mass1.49 M☉
Radius1.91 R☉
Size vs Sun1.91x larger
Metallicity [Fe/H]-0.1
Distance (pc)538.11 pc
Distance (ly)1755.1 light-years
What If You Lived Here?
33.8 kg
Your weight (from 70 kg)
0.48g
Feather-light
Walking feels like bounding on a trampoline.
5.5 Earth days
Year length
Yellow-White sunrise
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