TOI-2374

Planetary system · 439.2 light-years away

TOI-2374 is 439 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 5,002 K star; the first was found in 2024 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

TOI-2374 b goes round its star every 4.31 days, 20 times as often as Mercury goes round the Sun.

TOI-2374 is one of 2 stars in its system: the other is drawn where the Washington Double Star Catalog measures it on the sky.

The star

Surface temperature5,002 K
Mass0.802 solar masses
Radius0.711 solar radii
Luminosity0.285 times the Sun
Apparent magnitude12.095
Ageabout 4.5 billion years
Distance from the Sun439.2 light-years (134.7 parsecs)
Position (J2000)RA 319.4982°, Dec -22.0498°
ConstellationCapricornus

The other star

TOI-2374 A is a G1V star of magnitude 9.34, moving through space with it. In 2016 it was 22.3″ from TOI-2374, at position angle 47° (Washington Double Star Catalog, 21180-2203 RSS 558): 3,003 AU on the sky at this distance. The true distance can only be larger.

Planets (1)

PlanetYearOrbitRadiusMassFound
TOI-2374 b4.31 days0.0482 AU7.4876 R⊕61.659 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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