EPIC 249893012

Planetary system · 1047.9 light-years away

EPIC 249893012 is 1,048 light-years from the Sun. The NASA Exoplanet Archive lists 3 planets around this G8 IV/V star; the first was found in 2020 by transit (K2).

Fly there in 3D

Worth knowing

EPIC 249893012 b goes round its star every 3.60 days, 24 times as often as Mercury goes round the Sun.

The star

Spectral typeG8 IV/V
Surface temperature5,430 K
Mass1.05 solar masses
Radius1.71 solar radii
Luminosity2.268 times the Sun
Apparent magnitude11.429
Ageabout 9 billion years
Distance from the Sun1047.9 light-years (321.3 parsecs)
Position (J2000)RA 228.2482°, Dec -16.7246°
ConstellationLibra

Planets (3)

PlanetYearOrbitRadiusMassFound
EPIC 249893012 b3.60 days0.0470 AU1.95 R⊕8.75 M⊕Transit, 2020
EPIC 249893012 c15.6 days0.130 AU3.67 R⊕14.67 M⊕Transit, 2020
EPIC 249893012 d35.7 days0.220 AU3.94 R⊕10.18 M⊕Transit, 2020

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.

The planets, compared

For a star of 5,430 K, 2.3 times as bright as the Sun, the habitable zone, where starlight could keep water liquid on a rocky surface, runs from about 1.46 to 2.60 AU. None of its known planets orbits inside it. The zone says how much starlight arrives, not whether a planet has water or air. The edges follow Kopparapu et al. (2014), as the 3D view draws them.

The light you see left 1,048 years ago, around AD 980.

Nearest systems to it

Also found by K2

Sources

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