HD 15337 b

Exoplanet, super-earth

Star: HD 15337

Distance from the star: 0.05245 AU

Orbit around star: 4.755980 days

Eccentricity: 0.058

Basic characteristic

Mass: 6.5 M Earth

Size: 1.77 R Earth | 0.2 R Jupiter

Density: 6482 kg/m3 | 118 % Earth

Temperature: 3109 K | 2836 °C

Year of discovery: 2019 (transit)

Other designations of this exoplanet
TIC 120896927 b, TOI-402 b

HD 15337 system structure

Exoplanet HD 15337 b orbits star HD 15337, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.


HD 15337
	HD 15337 b	0.05 AU	6.5 M⊕	1.8 R⊕	4.8 days
	HD 15337 c	0.12 AU	6.8 M⊕	2.5 R⊕	17.2 days

Comparison

When comparing to the Solar system planets, HD 15337 b has 45 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.

	Mercury	Venus	Earth	Mars	Jupiter	Saturn	Uranus	Neptune
Mass	118.53	8	6.52	59.26	0.02	0.07	0.45	0.38
Size	4.62	1.86	1.77	3.34	0.16	0.19	0.44	0.47
Density	1.2	1.24	1.18	1.59	5.21	9.31	5.15	3.75
Distance	0.13	0.07	0.05	0.03	0.01	0.01	0	0
Temperature	7.07	4.22	10.8	14.95	19.07	23.38	39.86	43.18

Habitability

Habitable zone of the star: 37.6 - 54.2 AU

The planet orbits too close to its star and is exposed to extreme temperatures prohibiting life as we know it.

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