TOI-451

Planetary system · 403.6 light-years away

TOI-451 is 404 light-years from the Sun. The NASA Exoplanet Archive lists 3 planets around this G8 V star; the first was found in 2020 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

TOI-451 b goes round its star every 44.6 hours, 47 times as often as Mercury goes round the Sun.

TOI-451 is one of 2 stars in its system. The position of the other star is not catalogued, so only TOI-451 and its planets are drawn.

The star

Spectral typeG8 V
Surface temperature5,490 K
Mass0.93 solar masses
Radius0.85 solar radii
Luminosity0.59 times the Sun
Apparent magnitude10.939
Ageabout 0.125 billion years
Distance from the Sun403.6 light-years (123.7 parsecs)
Position (J2000)RA 62.9664°, Dec -37.9397°
ConstellationEridanus

Planets (3)

PlanetYearOrbitRadiusMassFound
TOI-451 b44.6 hours0.0274 AU1.84 R⊕4.7 M⊕Transit, 2020
TOI-451 c9.19 days0.0795 AU2.93 R⊕3.7 M⊕Transit, 2020
TOI-451 d16.4 days0.117 AU3.93 R⊕10.2 M⊕Transit, 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

Privacy