TOI-4379

Planetary system · 2104.2 light-years away

TOI-4379 is 2,104 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 6,020 K star; the first was found in 2024 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

TOI-4379 b goes round its star every 3.25 days, 27 times as often as Mercury goes round the Sun.

Where the archive gives only a period or only an orbit size, the other is worked out from Kepler’s third law with the star’s mass.

The star

Surface temperature6,020 K
Mass1.372 solar masses
Radius1.976 solar radii
Luminosity4.34 times the Sun
Apparent magnitude12.661
Ageabout 4.51 billion years
Distance from the Sun2104.2 light-years (645.2 parsecs)
Position (J2000)RA 252.0479°, Dec -32.4338°
ConstellationScorpius

Planets (1)

PlanetYearOrbitRadiusMassFound
TOI-4379 b3.25 days0.0478 AU from Kepler’s law16.69 R⊕353.74 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.

The planets, compared

For a star of 6,020 K, 4.3 times as bright as the Sun, the habitable zone, where starlight could keep water liquid on a rocky surface, runs from about 1.95 to 3.42 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 2,104 years ago, around 100 BC.

Nearest systems to it

Also found by Transiting Exoplanet Survey Satellite (TESS)

Sources

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