TOI-1064

Planetary system · 222.0 light-years away

TOI-1064 is 222 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this 4,734 K star; the first was found in 2022 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

TOI-1064 b goes round its star every 6.44 days, 14 times as often as Mercury goes round the Sun.

The star

Surface temperature4,734 K
Mass0.748 solar masses
Radius0.726 solar radii
Luminosity0.238 times the Sun
Apparent magnitude10.938
Ageabout 9.4 billion years
Distance from the Sun222.0 light-years (68.1 parsecs)
Position (J2000)RA 296.0039°, Dec -47.5620°
ConstellationTelescopium

Planets (2)

PlanetYearOrbitRadiusMassFound
TOI-1064 b6.44 days0.0615 AU2.587 R⊕13.5 M⊕Transit, 2022
TOI-1064 c12.2 days0.0943 AU2.651 R⊕2.5 M⊕Transit, 2022

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.

The planets, compared

For a star of 4,734 K, 0.24 times as bright as the Sun, the habitable zone, where starlight could keep water liquid on a rocky surface, runs from about 0.49 to 0.90 AU. None of its known planets orbits inside it. The zone says how much starlight arrives, not whether a planet has water or air. The edges follow Kopparapu et al. (2014), as the 3D view draws them.

The light you see left 222 years ago, around 1800.

Nearest systems to it

Also found by Transiting Exoplanet Survey Satellite (TESS)

Sources

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