HD 69830

Planetary system · 41.0 light-years away · also HD 69830, HIP 40693

HD 69830 is 41.0 light-years from the Sun. The NASA Exoplanet Archive lists 3 planets around this K0V star; the first was found in 2006 by radial velocity (La Silla Observatory).

Fly there in 3D

Worth knowing

HD 69830 b goes round its star every 8.67 days, 10 times as often as Mercury goes round the Sun.

The star

Spectral typeK0V
Surface temperature5,385 K
Mass0.86 solar masses
Radius0.886947 solar radii
Luminosity0.6026 times the Sun
Apparent magnitude5.96004
Ageabout 7 billion years
Distance from the Sun41.0 light-years (12.6 parsecs)
Position (J2000)RA 124.6010°, Dec -12.6364°
ConstellationPuppis

Planets (3)

PlanetYearOrbitRadiusMassFound
HD 69830 b8.67 days0.0785 AU3.17 R⊕ estimated10.2 M⊕ minimumRadial Velocity, 2006
HD 69830 c31.6 days0.186 AU3.46 R⊕ estimated11.8 M⊕ minimumRadial Velocity, 2006
HD 69830 d197.0 days0.630 AU4.45 R⊕ estimated18.1 M⊕ minimumRadial Velocity, 2006

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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