Exoplanet WASP 31 b

Exoplanet WASP 31 b orbits star WASP 31 that lies 1266 light years away from the Sun. It weighs about 152 Earth masses and orbits its star much closer than Earth orbits Sun.

WASP 31 b

Exoplanet

Star: WASP 31

Distance from the star: 0.04657 AU

Orbit around star: 3.405909 days

Basic characteristic

Mass: 152 M Earth | 0.4782 M Jupiter

Size: 17.228 R Earth | 1.5 R Jupiter

Density: 164 kg/m3 | 3 % Earth

Year of discovery: 2010 (transit)

Other designations of this exoplanet
b

Comparison

When comparing to the Solar system planets, WASP 31 b has 48 % of mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.

	Mercury	Venus	Earth	Mars	Jupiter	Saturn	Uranus	Neptune
Mass	2762.91	186.45	151.96	1381.45	0.48	1.6	10.41	8.83
Size	44.99	18.13	17.23	32.51	1.54	1.89	4.31	4.53
Density	0.03	0.03	0.03	0.04	0.13	0.24	0.13	0.09
Distance	0.12	0.06	0.05	0.03	0.01	0	0	0

WASP 31 system structure

Exoplanet WASP 31 b orbits star WASP 31, which has bigger mass than Sun. It is the only known exoplanet orbiting this star

	WASP 31
		WASP 31 b	0.05 AU	152 M⊕	17.2 R⊕	3.4 days

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