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VHC573: yellow dwarf star with 2 planets


Solar system 'VHC573' is a dual star system that comprises the stars 'VHC573.A' and 'VHC573.B' and the retinue of celestial objects gravitationally bound to them: 2 planets and their 145 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'VHC573.A' and 'VHC573.B' that dominate it gravitationally. 'VHC573.A' is a yellow dwarf class star that contains about 57% of the system's known mass, 'VHC573.B' is a yellow dwarf class star that contains about 41% of the system's known mass.

System 'VHC573' is located more than 3656 lightyears from the center of the galaxy.

This solar system comprises 2 planets

VHC573.1 is a small terrestrial planet (3491 km radius) which orbits its star in 12 Earth days, one day on VHC573.1 lasts 22 Earth hours. Its average temperature is 1797 K (1524 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
VHC573.2 is a large gas giant (60831 km radius) which orbits its star in 64433 Earth days, one day on VHC573.2 lasts 2 Earth hours. Its average temperature is 1050 K (777 C), its atmosphere mainly consists of hydrogen and it has 145 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:7*106 km2184*106 km
radius:3491 km60831 km
mass:340*1021 kg1800797*1021 kg
surface gravity: 1.86 m/s2
0.19 Earths
32.4 m/s2
3.31 Earths
escape velocity:3.605 km/s62.86 km/s
year: 13 VHC573.1 days
12 Earth days
773196 VHC573.2 days
64433 Earth days
day:22 hrs2 hrs
axial tilt:32°
temperature:1797 K
1524 C
1050 K
777 C
atmosphere:2% H2
1% He
70% N2
25% O2
2% CO2
0% other
93% H2
7% He
0% other

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