TOI-283

Planetary system · 269.7 light-years away · also TYC 8919-520-1

TOI-283 is 270 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this K star; the first was found in 2025 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

TOI-283 b goes round its star every 17.6 days, 5 times as often as Mercury goes round the Sun.

The star

Spectral typeK
Surface temperature5,213 K
Mass0.8 solar masses
Radius0.85 solar radii
Luminosity0.46 times the Sun
Apparent magnitude10.41
Ageabout 10.4 billion years
Distance from the Sun269.7 light-years (82.7 parsecs)
Position (J2000)RA 118.5693°, Dec -65.4415°
ConstellationVolans

Planets (1)

PlanetYearOrbitRadiusMassFound
TOI-283 b17.6 days0.123 AU2.34 R⊕6.54 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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