K2-148

Planetary system · 405.9 light-years away

K2-148 is 406 light-years from the Sun. The NASA Exoplanet Archive lists 3 planets around this 4,079 K star; the first was found in 2018 by transit (K2).

Fly there in 3D

Worth knowing

K2-148 b goes round its star every 4.38 days, 20 times as often as Mercury goes round the Sun.

K2-148 is one of 2 stars in its system. The position of the other star is not catalogued, so only K2-148 and its planets are drawn.

The star

Surface temperature4,079 K
Mass0.65 solar masses
Radius0.632 solar radii
Luminosity0.101 times the Sun
Apparent magnitude13.627
Distance from the Sun405.9 light-years (124.5 parsecs)
Position (J2000)RA 14.5176°, Dec -0.1933°
ConstellationCetus

Planets (3)

PlanetYearOrbitRadiusMassFound
K2-148 b4.38 days0.0454 AU1.33 R⊕2.33 M⊕ estimatedTransit, 2018
K2-148 c6.92 days0.0616 AU1.73 R⊕3.64 M⊕ estimatedTransit, 2018
K2-148 d9.76 days0.0774 AU1.64 R⊕3.33 M⊕ estimatedTransit, 2018

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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