Exoplanet KELT-9 b

Exoplanet KELT-9 b orbits star KELT-9 that lies 676 light years away from the Sun. It weighs about 915.6 Earth masses and orbits its star much closer than Earth orbits Sun.

KELT-9 b

Exoplanet, gas giant

Star: KELT-9

Distance from the star: 0.03368 AU

Orbit around star: 1.481123 days

Basic characteristic

Mass: 915.6 M Earth | 2.881 M Jupiter

Size: 20.624 R Earth | 1.8 R Jupiter

Density: 575 kg/m3 | 10 % Earth

Temperature: 3921 K | 3648 °C

Year of discovery: 2017 (transit)

Other designations of this exoplanet
HD 195689 b

Comparison

When comparing to the Solar system planets, KELT-9 b has 2.88 times the mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.

	Mercury	Venus	Earth	Mars	Jupiter	Saturn	Uranus	Neptune
Mass	16646.76	1123.4	915.57	8323.38	2.88	9.62	62.71	53.23
Size	53.86	21.71	20.62	38.91	1.84	2.27	5.16	5.43
Density	0.11	0.11	0.1	0.14	0.46	0.83	0.46	0.33
Distance	0.09	0.05	0.03	0.02	0.01	0	0	0

KELT-9 system structure

Exoplanet KELT-9 b orbits star KELT-9, which has much lower mass than Sun. It is the only known exoplanet orbiting this star

	KELT-9
		KELT-9 b	0.03 AU	915.6 M⊕	20.6 R⊕	1.5 days

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