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VCH731: red giant star with 9 planets

  VCH731.1   VCH731.2   VCH731.3   VCH731.4  
VCH731.5
 
VCH731.6
 
VCH731.7
  VCH731.8  
VCH731.9
 

Solar system 'VCH731' is a dual star system that comprises the stars 'VCH731.A' and 'VCH731.B' and the retinue of celestial objects gravitationally bound to them: 9 planets and their 605 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'VCH731.A' and 'VCH731.B' that dominate it gravitationally. 'VCH731.A' is a red giant class star that contains about 65% of the system's known mass, 'VCH731.B' is a yellow dwarf class star that contains about 34% of the system's known mass.

System 'VCH731' is located more than 1440 lightyears from the center of the galaxy.

VCH731.1, the first planet in this system, may feature life forms. Its average temperature is 306K (33C) and it's atmosphere contains 48% of oxygen. One year on VCH731.1 lasts 466 days, one day lasts 11 hours. It's diameter is 18588 km, 1.4 times the diameter of the Earth.

This solar system comprises 9 planets

VCH731.1 is a very large terrestrial planet (9294 km radius) which orbits its star in 466 Earth days, one day on VCH731.1 lasts 11 Earth hours. Its average temperature is 306 K (33 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 43 moons.
VCH731.2 is a medium terrestrial planet (6162 km radius) which orbits its star in 995 Earth days, one day on VCH731.2 lasts 15 Earth hours. Its average temperature is 222 K (-51 C), its atmosphere mainly consists of nitrogen, oxygen and it has 10 moons.
VCH731.3 is a small terrestrial planet (3752 km radius) which orbits its star in 1828 Earth days, one day on VCH731.3 lasts 26 Earth hours. Its average temperature is 148 K (-125 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
VCH731.4 is a small terrestrial planet (4162 km radius) which orbits its star in 3359 Earth days, one day on VCH731.4 lasts 23 Earth hours. Its average temperature is 87 K (-186 C), its atmosphere mainly consists of nitrogen, oxygen and it has 13 moons.
VCH731.5 is a medium gas giant (29198 km radius) which orbits its star in 6523 Earth days, one day on VCH731.5 lasts 9 Earth hours. Its average temperature is 1561 K (1288 C), its atmosphere mainly consists of hydrogen and it has 109 moons.
VCH731.6 is a large gas giant (52146 km radius) which orbits its star in 18874 Earth days, one day on VCH731.6 lasts 9 Earth hours. Its average temperature is 1186 K (913 C), its atmosphere mainly consists of hydrogen, helium and it has 99 moons.
VCH731.7 is a large gas giant (45760 km radius) which orbits its star in 34674 Earth days, one day on VCH731.7 lasts 9 Earth hours. Its average temperature is 1653 K (1380 C), its atmosphere mainly consists of hydrogen and it has 91 moons.
VCH731.8 is a large gas giant (54333 km radius) which orbits its star in 63701 Earth days, one day on VCH731.8 lasts 9 Earth hours. Its average temperature is 1302 K (1029 C), its atmosphere mainly consists of hydrogen, helium and it has 122 moons.
VCH731.9 is a large gas giant (42350 km radius) which orbits its star in 117027 Earth days, one day on VCH731.9 lasts 9 Earth hours. Its average temperature is 1204 K (931 C), its atmosphere mainly consists of hydrogen and it has 118 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:VCH731.1VCH731.2VCH731.3VCH731.4VCH731.5
distance from star:81*106 km135*106 km203*106 km304*106 km474*106 km
radius:9294 km6162 km3752 km4162 km29198 km
mass:6422*1021 kg1871*1021 kg422*1021 kg576*1021 kg199135*1021 kg
surface gravity: 4.96 m/s2
0.50 Earths
3.28 m/s2
0.33 Earths
2.00 m/s2
0.20 Earths
2.21 m/s2
0.22 Earths
15.5 m/s2
1.58 Earths
escape velocity:9.603 km/s6.366 km/s3.874 km/s4.298 km/s30.17 km/s
year: 1016 VCH731.1 days
466 Earth days
1592 VCH731.2 days
995 Earth days
1687 VCH731.3 days
1828 Earth days
3505 VCH731.4 days
3359 Earth days
17394 VCH731.5 days
6523 Earth days
day:11 hrs15 hrs26 hrs23 hrs9 hrs
axial tilt:270°23°25°
temperature:306 K
33 C
222 K
-51 C
148 K
-125 C
87 K
-186 C
1561 K
1288 C
atmosphere:26% H2
3% He
23% N2
48% O2
0% other
74% N2
26% O2
0% other
73% N2
27% O2
0% other
10% H2
4% He
44% N2
41% O2
1% CO2
0% other
94% H2
6% He
0% other
moons:4310013109
rings:000021

planet:VCH731.6VCH731.7VCH731.8VCH731.9
distance from star:963*106 km1445*106 km2167*106 km3251*106 km
radius:52146 km45760 km54333 km42350 km
mass:1134365*1021 kg766563*1021 kg1283160*1021 kg607645*1021 kg
surface gravity: 27.8 m/s2
2.84 Earths
24.4 m/s2
2.49 Earths
29.0 m/s2
2.96 Earths
22.6 m/s2
2.31 Earths
escape velocity:53.88 km/s47.28 km/s56.14 km/s43.76 km/s
year: 50330 VCH731.6 days
18874 Earth days
92464 VCH731.7 days
34674 Earth days
169869 VCH731.8 days
63701 Earth days
312072 VCH731.9 days
117027 Earth days
day:9 hrs9 hrs9 hrs9 hrs
axial tilt:76°
temperature:1186 K
913 C
1653 K
1380 C
1302 K
1029 C
1204 K
931 C
atmosphere:84% H2
16% He
0% other
99% H2
1% He
0% other
80% H2
20% He
0% other
94% H2
6% He
0% other
moons:9991122118
rings:1721012

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