TOI-469

Planetary system · 222.4 light-years away · also HD 42813, HIP 29442

TOI-469 is 222 light-years from the Sun. The NASA Exoplanet Archive lists 3 planets around this 5,289 K star; the first was found in 2021 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

HIP 29442 c goes round its star every 3.54 days, 25 times as often as Mercury goes round the Sun.

The star

Surface temperature5,289 K
Mass0.901 solar masses
Radius0.98 solar radii
Luminosity0.7092 times the Sun
Apparent magnitude9.49
Ageabout 11.2 billion years
Distance from the Sun222.4 light-years (68.2 parsecs)
Position (J2000)RA 93.0578°, Dec -14.6493°
ConstellationLepus

Planets (3)

PlanetYearOrbitRadiusMassFound
HIP 29442 c3.54 days0.0452 AU1.551 R⊕4.5 M⊕Radial Velocity, 2023
HIP 29442 d6.43 days0.0673 AU1.538 R⊕5.14 M⊕Radial Velocity, 2023
TOI-469.0113.6 days0.111 AU3.41 R⊕9.1 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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