TOI-2458

Planetary system · 368.4 light-years away · also HD 34562, TYC 0100-00856-1

TOI-2458 is 368 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this F9-F9.5 star; the first was found in 2024 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

TOI-2458 b goes round its star every 3.74 days, 24 times as often as Mercury goes round the Sun.

The star

Spectral typeF9-F9.5
Surface temperature6,005 K
Mass1.05 solar masses
Radius1.31 solar radii
Luminosity2.194 times the Sun
Apparent magnitude9.202
Ageabout 5.7 billion years
Distance from the Sun368.4 light-years (113.0 parsecs)
Position (J2000)RA 79.6215°, Dec 1.2534°
ConstellationOrion

Planets (2)

PlanetYearOrbitRadiusMassFound
TOI-2458 b3.74 days0.0482 AU2.83 R⊕13.31 M⊕Transit, 2024
TOI-2458 c16.6 days0.129 AU3.18 R⊕ estimated10.22 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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