Exoplanet K2-417 b

Exoplanet K2-417 b orbits star K2-417 that lies 307 light years away from the Sun. It weighs about 9.5 Earth masses and orbits its star much closer than Earth orbits Sun.

K2-417 b

Exoplanet, sub-neptune

Star: K2-417

Distance from the star: 0.065 AU

Orbit around star: 8.3 days

Basic characteristic

Mass: 9.5 M Earth

Size: 3.18 R Earth | 0.3 R Jupiter

Density: 1630 kg/m3 | 30 % Earth

Temperature: 549 K | 276 °C

Year of discovery: 2023 (transit)

Other designations of this exoplanet
b

Comparison

When comparing to the Solar system planets, K2-417 b has 65 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.

	Mercury	Venus	Earth	Mars	Jupiter	Saturn	Uranus	Neptune
Mass	172.82	11.66	9.51	86.41	0.03	0.1	0.65	0.55
Size	8.31	3.35	3.18	6	0.28	0.35	0.8	0.84
Density	0.3	0.31	0.3	0.4	1.31	2.34	1.3	0.94
Distance	0.17	0.09	0.07	0.04	0.01	0.01	0	0
Temperature	1.25	0.74	1.91	2.64	3.37	4.13	7.04	7.63

K2-417 system structure

Exoplanet K2-417 b orbits star K2-417, which has lower mass than Sun. It is the only known exoplanet orbiting this star

	K2-417
		K2-417 b	0.07 AU	9.5 M⊕	3.2 R⊕	8.3 days

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