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VGA173: red giant star with 2 planets

  VGA173.1  
VGA173.2
 

Solar system 'VGA173' is a dual star system that comprises the stars 'VGA173.A' and 'VGA173.B' and the retinue of celestial objects gravitationally bound to them: 2 planets and their 85 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'VGA173.A' and 'VGA173.B' that dominate it gravitationally. 'VGA173.A' is a red giant class star that contains about 76% of the system's known mass, 'VGA173.B' is a yellow dwarf class star that contains about 23% of the system's known mass.

System 'VGA173' is located more than 4731 lightyears from the center of the galaxy.

This solar system comprises 2 planets

VGA173.1 is a small terrestrial planet (4171 km radius) which orbits its star in 13 Earth days, one day on VGA173.1 lasts 16 Earth hours. Its average temperature is 1910 K (1637 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
VGA173.2 is a large gas giant (63852 km radius) which orbits its star in 17635 Earth days, one day on VGA173.2 lasts 2 Earth hours. Its average temperature is 1564 K (1291 C), its atmosphere mainly consists of hydrogen and it has 85 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:VGA173.1VGA173.2
distance from star:7*106 km920*106 km
radius:4171 km63852 km
mass:580*1021 kg2082636*1021 kg
surface gravity: 2.22 m/s2
0.22 Earths
34.0 m/s2
3.47 Earths
escape velocity:4.308 km/s65.98 km/s
year: 19 VGA173.1 days
13 Earth days
211620 VGA173.2 days
17635 Earth days
day:16 hrs2 hrs
axial tilt:15°
temperature:1910 K
1637 C
1564 K
1291 C
atmosphere:8% H2
1% He
46% N2
45% O2
0% other
90% H2
10% He
0% other
moons:085
rings:03

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