K2-419 A

Planetary system · 876.3 light-years away

K2-419 A is 876 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 3,711 K star; the first was found in 2024 by transit (K2).

Fly there in 3D

Worth knowing

K2-419 A b goes round its star every 20.4 days, 4 times as often as Mercury goes round the Sun.

K2-419 A is one of 2 stars in its system. The position of the other star is not catalogued, so only K2-419 A and its planets are drawn.

The star

Surface temperature3,711 K
Mass0.562 solar masses
Radius0.541 solar radii
Luminosity0.0529 times the Sun
Apparent magnitude16.52
Ageabout 7.4 billion years
Distance from the Sun876.3 light-years (268.7 parsecs)
Position (J2000)RA 135.0195°, Dec 13.2737°
ConstellationCancer

Planets (1)

PlanetYearOrbitRadiusMassFound
K2-419 A b20.4 days0.121 AU10.55 R⊕196 M⊕Transit, 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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