TOI-880

Planetary system · 197.9 light-years away · also HD 43629 A

TOI-880 is 198 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this K star; the first was found in 2024 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

TOI-880.02 goes round its star every 2.58 days, 34 times as often as Mercury goes round the Sun.

The star

Spectral typeK
Surface temperature5,050 K
Mass0.87 solar masses
Radius0.83 solar radii
Luminosity0.3567 times the Sun
Apparent magnitude10.104
Ageabout 5.2 billion years
Distance from the Sun197.9 light-years (60.7 parsecs)
Position (J2000)RA 94.1645°, Dec -13.9873°
ConstellationCanis Major

Planets (2)

PlanetYearOrbitRadiusMassFound
TOI-880.022.58 days0.0349 AU2.19 R⊕5.43 M⊕ estimatedTransit, 2024
TOI-880 c6.39 days0.0635 AU4.95 R⊕21.7 M⊕ estimatedTransit, 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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