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2019
Discovered
6.5
Earth Masses
1.77
Earth Radii
Discovery Information
Discovery MethodTransit
Discovery Year2,019
Discovery FacilityTransiting Exoplanet Survey Satellite (TESS)
Orbital Properties
Orbital Period4.756 days
Eccentricity0.058
Inclination89.3 deg
Physical Properties
Mass (Jupiter)0.0205 MJ
Mass (Earth)6.519 M⊕
Radius (Jupiter)0.1579 RJ
Radius (Earth)1.77 R⊕
Density6.458 g/cm3
Planetary Extremes
Where HD 15337 b sits on the spectrum of all known exoplanets.
Mass6.5 M⊕
FeatherweightColossus
Radius1.77 R⊕
TinyEnormous
Year Length4.8 days
LightningGlacial
Density6.46 g/cm³
FluffyIron-dense
Size Comparison
1.77x Earth's radius (0.16x Jupiter)
Host Star: HD 15337
Effective Temperature5,131 K
Mass0.829 M☉
Radius0.855 R☉
Size vs Sun1.17x smaller
Metallicity [Fe/H]0.03
Distance (pc)44.8155 pc
Distance (ly)146.2 light-years
Other Planets in the HD 15337 System
What If You Lived Here?
145.7 kg
Your weight (from 70 kg)
2.08g
Crushing
Standing upright is a struggle. Your body feels like lead.
4.8 Earth days
Year length
Unknown sunrise
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