TOI-1174

Planetary system · 308.7 light-years away · also TYC 4403-2080-1

TOI-1174 is 309 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 5,030 K star; the first was found in 2024 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

TOI-1174 b goes round its star every 8.95 days, 10 times as often as Mercury goes round the Sun.

The star

Surface temperature5,030 K
Mass0.85 solar masses
Radius0.76 solar radii
Luminosity0.395 times the Sun
Apparent magnitude10.964
Ageabout 2.7 billion years
Distance from the Sun308.7 light-years (94.6 parsecs)
Position (J2000)RA 209.2172°, Dec 68.6182°
ConstellationDraco

Planets (1)

PlanetYearOrbitRadiusMassFound
TOI-1174 b8.95 days0.0799 AU2.562 R⊕32 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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