TOI-558

Planetary system · 1313.2 light-years away · also TYC 8497-28-1

TOI-558 is 1,313 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this F V star; the first was found in 2021 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

TOI-558 b goes round its star every 14.6 days, 6 times as often as Mercury goes round the Sun.

The star

Spectral typeF V
Surface temperature6,466 K
Mass1.349 solar masses
Radius1.496 solar radii
Luminosity3.52 times the Sun
Apparent magnitude11.233
Ageabout 1.79 billion years
Distance from the Sun1313.2 light-years (402.6 parsecs)
Position (J2000)RA 42.2915°, Dec -58.0247°
ConstellationHorologium

Planets (1)

PlanetYearOrbitRadiusMassFound
TOI-558 b14.6 days0.129 AU12.173 R⊕1147.4 M⊕Transit, 2021

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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