TOI-1333

Planetary system · 653.9 light-years away

TOI-1333 is 654 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 6,274 K star; the first was found in 2021 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

TOI-1333 b goes round its star every 4.72 days, 19 times as often as Mercury goes round the Sun.

TOI-1333 is one of 2 stars in its system. The position of the other star is not catalogued, so only TOI-1333 and its planets are drawn.

The star

Surface temperature6,274 K
Mass1.464 solar masses
Radius1.925 solar radii
Luminosity5.17 times the Sun
Apparent magnitude9.438
Ageabout 2.33 billion years
Distance from the Sun653.9 light-years (200.5 parsecs)
Position (J2000)RA 325.0145°, Dec 48.4068°
ConstellationCygnus

Planets (1)

PlanetYearOrbitRadiusMassFound
TOI-1333 b4.72 days0.0626 AU15.648 R⊕753.26 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.

The planets, compared

For a star of 6,274 K, 5.2 times as bright as the Sun, the habitable zone, where starlight could keep water liquid on a rocky surface, runs from about 2.10 to 3.66 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 654 years ago, around 1370.

Nearest systems to it

Also found by Transiting Exoplanet Survey Satellite (TESS)

Sources

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