TOI-237

Planetary system · 124.2 light-years away

TOI-237 is 124 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this M4.5 V star; the first was found in 2020 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

TOI-237 c goes round its star every 41.9 hours, 50 times as often as Mercury goes round the Sun.

The star

Spectral typeM4.5 V
Surface temperature3,212 K
Mass0.179 solar masses
Radius0.211 solar radii
Luminosity0.0041 times the Sun
Apparent magnitude16.37
Ageabout 4.5 billion years
Distance from the Sun124.2 light-years (38.1 parsecs)
Position (J2000)RA 353.2435°, Dec -29.4165°
ConstellationSculptor

Planets (2)

PlanetYearOrbitRadiusMassFound
TOI-237 c41.9 hours0.0160 AU1.206 R⊕1.9 M⊕ estimatedTransit, 2026
TOI-237 b5.44 days0.0341 AU1.44 R⊕2.67 M⊕ estimatedTransit, 2020

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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