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VHC550: red dwarf star with 4 planets

  VHC550.1   VHC550.2   VHC550.3  
VHC550.4
 

Solar system 'VHC550' comprises the star 'VHC550' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 225 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'VHC550', a red dwarf class star that contains about 99.66% of the system's known mass and dominates it gravitationally. VHC550 is located more than 3656 lightyears from the center of the galaxy.

VHC550.1, the first planet in this system, may feature life forms. Its average temperature is 288K (15C) and it's atmosphere contains 0% of oxygen. One year on VHC550.1 lasts 316 days, one day lasts 6 hours. It's diameter is 19542 km, 1.5 times the diameter of the Earth.

VHC550.2, the second planet in this system, may feature life forms. Its average temperature is 256K (-17C) and it's atmosphere contains 23% of oxygen. One year on VHC550.2 lasts 582 days, one day lasts 8 hours. It's diameter is 15034 km, 1.1 times the diameter of the Earth.

This solar system comprises 4 planets

VHC550.1 is a very large terrestrial planet (9771 km radius) which orbits its star in 316 Earth days, one day on VHC550.1 lasts 6 Earth hours. Its average temperature is 288 K (15 C), its atmosphere mainly consists of nitrogen and it has 27 moons.
VHC550.2 is a large terrestrial planet (7517 km radius) which orbits its star in 582 Earth days, one day on VHC550.2 lasts 8 Earth hours. Its average temperature is 256 K (-17 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
VHC550.3 is a medium gas giant (38552 km radius) which orbits its star in 33700 Earth days, one day on VHC550.3 lasts 4 Earth hours. Its average temperature is 1342 K (1069 C), its atmosphere mainly consists of hydrogen, helium and it has 125 moons.
VHC550.4 is a large gas giant (73252 km radius) which orbits its star in 88031 Earth days, one day on VHC550.4 lasts 4 Earth hours. Its average temperature is 1593 K (1320 C), its atmosphere mainly consists of hydrogen and it has 68 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:VHC550.1VHC550.2VHC550.3VHC550.4
distance from star:63*106 km94*106 km1417*106 km2689*106 km
radius:9771 km7517 km38552 km73252 km
mass:7462*1021 kg3398*1021 kg458385*1021 kg3144477*1021 kg
surface gravity: 5.21 m/s2
0.53 Earths
4.01 m/s2
0.41 Earths
20.5 m/s2
2.09 Earths
39.1 m/s2
3.99 Earths
escape velocity:10.09 km/s7.767 km/s39.83 km/s75.69 km/s
year: 1264 VHC550.1 days
316 Earth days
1746 VHC550.2 days
582 Earth days
202200 VHC550.3 days
33700 Earth days
528186 VHC550.4 days
88031 Earth days
day:6 hrs8 hrs4 hrs4 hrs
axial tilt:353°26°58°
temperature:288 K
15 C
256 K
-17 C
1342 K
1069 C
1593 K
1320 C
atmosphere:91% N2
9% CO2
0% other
76% N2
23% O2
1% CO2
0% other
84% H2
16% He
0% other
92% H2
8% He
0% other
moons:27512568
rings:0006

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