HD 48948

Planetary system · 55.1 light-years away · also HD 48948, HIP 32769

HD 48948 is 55.1 light-years from the Sun. The NASA Exoplanet Archive lists 3 planets around this K3 V star; the first was found in 2024 by radial velocity (Roque de los Muchachos Observatory).

Fly there in 3D

Worth knowing

HD 48948 b goes round its star every 7.34 days, 12 times as often as Mercury goes round the Sun.

The star

Spectral typeK3 V
Surface temperature4,593 K
Mass0.686 solar masses
Radius0.679 solar radii
Luminosity0.1626 times the Sun
Apparent magnitude8.58
Ageabout 11.48 billion years
Distance from the Sun55.1 light-years (16.9 parsecs)
Position (J2000)RA 102.4898°, Dec 60.3373°
ConstellationLynx

Planets (3)

PlanetYearOrbitRadiusMassFound
HD 48948 b7.34 days0.0652 AU2.06 R⊕ estimated4.88 M⊕ minimumRadial Velocity, 2024
HD 48948 c38.1 days0.195 AU2.6 R⊕ estimated7.27 M⊕ minimumRadial Velocity, 2024
HD 48948 d151.9 days0.489 AU3.24 R⊕ estimated10.59 M⊕ minimumRadial Velocity, 2024

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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