TYC 2187-512-1

Planetary system · 50.5 light-years away

TYC 2187-512-1 is 50.5 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this M1.0 V star; the first was found in 2022 by radial velocity (Calar Alto Observatory).

Fly there in 3D

Worth knowing

TYC 2187-512-1 b takes 691.9 days to go round its star once.

The star

Spectral typeM1.0 V
Surface temperature3,734 K
Mass0.498 solar masses
Radius0.495 solar radii
Luminosity0.0416 times the Sun
Apparent magnitude10.58
Distance from the Sun50.5 light-years (15.5 parsecs)
Position (J2000)RA 320.5267°, Dec 22.9319°
ConstellationPegasus

Planets (1)

PlanetYearOrbitRadiusMassFound
TYC 2187-512-1 b691.9 days1.220 AU12.5 R⊕ estimated104.88 M⊕ minimumRadial Velocity, 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.

Sources

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