TOI-1298

Planetary system · 1040.6 light-years away · also TYC 4422-2181-1

TOI-1298 is 1,041 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 5,752 K star; the first was found in 2021 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

TOI-1298 b goes round its star every 4.54 days, 19 times as often as Mercury goes round the Sun.

The star

Surface temperature5,752 K
Mass1.2187 solar masses
Radius1.4536 solar radii
Luminosity2.092 times the Sun
Apparent magnitude11.889
Ageabout 4.3 billion years
Distance from the Sun1040.6 light-years (319.0 parsecs)
Position (J2000)RA 241.3229°, Dec 70.1900°
ConstellationUrsa Minor

Planets (1)

PlanetYearOrbitRadiusMassFound
TOI-1298 b4.54 days0.0570 AU9.6581 R⊕99 M⊕Transit, 2021

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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