TOI-2169 A

Planetary system · 1146.4 light-years away

TOI-2169 A is 1,146 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 6,270 K star; the first was found in 2025 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

TOI-2169 A b goes round its star every 8.21 days, 11 times as often as Mercury goes round the Sun.

TOI-2169 A is one of 2 stars in its system. The position of the other star is not catalogued, so only TOI-2169 A and its planets are drawn.

The star

Surface temperature6,270 K
Mass1.42 solar masses
Radius1.82 solar radii
Luminosity4.63 times the Sun
Apparent magnitude11.16
Ageabout 2.51 billion years
Distance from the Sun1146.4 light-years (351.5 parsecs)
Position (J2000)RA 279.1701°, Dec 23.2586°
ConstellationHercules

Planets (1)

PlanetYearOrbitRadiusMassFound
TOI-2169 A b8.21 days0.0896 AU12.509 R⊕329.59 M⊕Transit, 2025

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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