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WHD581: yellow giant star with 2 planets

  WHD581.1   WHD581.2  

Solar system 'WHD581' is a dual star system that comprises the stars 'WHD581.A' and 'WHD581.B' and the retinue of celestial objects gravitationally bound to them: 2 planets and their 166 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'WHD581.A' and 'WHD581.B' that dominate it gravitationally. 'WHD581.A' is a yellow giant class star that contains about 93% of the system's known mass, 'WHD581.B' is a red giant class star that contains about 6% of the system's known mass.

System 'WHD581' is located more than 4330 lightyears from the center of the galaxy.

This solar system comprises 2 planets

WHD581.1 is a very large terrestrial planet (11155 km radius) which orbits its star in 698 Earth days, one day on WHD581.1 lasts 4 Earth hours. Its average temperature is 1111 K (838 C), its atmosphere mainly consists of nitrogen, oxygen and it has 32 moons.
WHD581.2 is a large gas giant (42944 km radius) which orbits its star in 10461 Earth days, one day on WHD581.2 lasts 2 Earth hours. Its average temperature is 1334 K (1061 C), its atmosphere mainly consists of hydrogen and it has 134 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:WHD581.1WHD581.2
distance from star:106*106 km650*106 km
radius:11155 km42944 km
mass:11104*1021 kg633574*1021 kg
surface gravity: 5.95 m/s2
0.60 Earths
22.9 m/s2
2.34 Earths
escape velocity:11.52 km/s44.37 km/s
year: 4188 WHD581.1 days
698 Earth days
125532 WHD581.2 days
10461 Earth days
day:4 hrs2 hrs
axial tilt:289°60°
temperature:1111 K
838 C
1334 K
1061 C
atmosphere:80% N2
13% O2
7% CO2
0% other
99% H2
1% He
0% other
moons:32134
rings:00

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