TOI-5210

Planetary system · 985.3 light-years away · also TYC 1660-821-1

TOI-5210 is 985 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 5,723 K star; the first was found in 2025 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

TOI-5210 b goes round its star every 4.57 days, 19 times as often as Mercury goes round the Sun.

The star

Surface temperature5,723 K
Mass1.105 solar masses
Radius1.209 solar radii
Luminosity1.42 times the Sun
Apparent magnitude12.118
Ageabout 5.3 billion years
Distance from the Sun985.3 light-years (302.1 parsecs)
Position (J2000)RA 314.3169°, Dec 21.9502°
ConstellationVulpecula

Planets (1)

PlanetYearOrbitRadiusMassFound
TOI-5210 b4.57 days0.0557 AU10.727 R⊕82 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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