K2-58

Planetary system · 592.8 light-years away

K2-58 is 593 light-years from the Sun. The NASA Exoplanet Archive lists 3 planets around this 5,413 K star; the first was found in 2016 by transit (K2).

Fly there in 3D

Worth knowing

K2-58 c goes round its star every 2.54 days, 35 times as often as Mercury goes round the Sun.

The star

Surface temperature5,413 K
Mass0.89 solar masses
Radius0.86 solar radii
Luminosity0.4003 times the Sun
Apparent magnitude12.415
Distance from the Sun592.8 light-years (181.7 parsecs)
Position (J2000)RA 333.8218°, Dec -14.0499°
ConstellationAquarius

Planets (3)

PlanetYearOrbitRadiusMassFound
K2-58 c2.54 days0.0350 AU1.62 R⊕3.26 M⊕ estimatedTransit, 2016
K2-58 b7.05 days0.0692 AU2.68 R⊕7.65 M⊕ estimatedTransit, 2016
K2-58 d22.9 days0.152 AU1.71 R⊕3.57 M⊕ estimatedTransit, 2016

Values are the NASA Exoplanet Archive’s composite parameters. A radius marked estimated comes from a mass–radius relation; a mass marked minimum is M sin i. Planet sizes and colours in the 3D view are renderings: none of these worlds has been photographed as more than a point of light.

Sources

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