HD 89345

Planetary system · 431.6 light-years away · also HD 89345, HIP 50496

HD 89345 is 432 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this G5 star; the first was found in 2018 by transit (K2).

Fly there in 3D

Worth knowing

HD 89345 b goes round its star every 11.8 days, 7 times as often as Mercury goes round the Sun.

The star

Spectral typeG5
Surface temperature5,576 K
Mass1.157 solar masses
Radius1.747 solar radii
Luminosity2.66 times the Sun
Apparent magnitude9.38
Ageabout 7.53 billion years
Distance from the Sun431.6 light-years (132.3 parsecs)
Position (J2000)RA 154.6711°, Dec 10.1288°
ConstellationLeo

Planets (1)

PlanetYearOrbitRadiusMassFound
HD 89345 b11.8 days0.107 AU7.3979 R⊕34.961 M⊕Transit, 2018

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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