TOI-375

Planetary system · 1292.3 light-years away · also TYC 9366-188-1

TOI-375 is 1,292 light-years from the Sun. The NASA Exoplanet Archive lists 3 planets around this 5,260 K star; the first was found in 2026 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

TOI-375 b goes round its star every 9.45 days, 9 times as often as Mercury goes round the Sun.

The star

Surface temperature5,260 K
Mass1.441 solar masses
Radius2.9 solar radii
Luminosity5.754 times the Sun
Apparent magnitude11.516
Ageabout 2.94 billion years
Distance from the Sun1292.3 light-years (396.2 parsecs)
Position (J2000)RA 47.1499°, Dec -77.3833°
ConstellationHydrus

Planets (3)

PlanetYearOrbitRadiusMassFound
TOI-375 b9.45 days0.0990 AU10.772 R⊕236.78 M⊕Transit, 2026
TOI-375 c115.5 days0.524 AU13.4 R⊕ estimated669.35 M⊕ minimumRadial Velocity, 2026
TOI-375 d297.9 days0.984 AU13.6 R⊕ estimated445.6 M⊕ minimumRadial Velocity, 2026

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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