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VGJ420: yellow dwarf star with 4 planets

  VGJ420.1  
VGJ420.2
 
VGJ420.3
  VGJ420.4  

Solar system 'VGJ420' is a dual star system that comprises the stars 'VGJ420.A' and 'VGJ420.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 285 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'VGJ420.A' and 'VGJ420.B' that dominate it gravitationally. 'VGJ420.A' is a yellow dwarf class star that contains about 63% of the system's known mass, 'VGJ420.B' is a yellow dwarf class star that contains about 36% of the system's known mass.

System 'VGJ420' is located more than 3656 lightyears from the center of the galaxy.

This solar system comprises 4 planets

VGJ420.1 is a large terrestrial planet (8076 km radius) which orbits its star in 324 Earth days, one day on VGJ420.1 lasts 7 Earth hours. Its average temperature is 446 K (173 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
VGJ420.2 is a large gas giant (42284 km radius) which orbits its star in 46145 Earth days, one day on VGJ420.2 lasts 4 Earth hours. Its average temperature is 1130 K (857 C), its atmosphere mainly consists of hydrogen and it has 155 moons.
VGJ420.3 is a medium gas giant (31507 km radius) which orbits its star in 99021 Earth days, one day on VGJ420.3 lasts 4 Earth hours. Its average temperature is 1709 K (1436 C), its atmosphere mainly consists of hydrogen, helium and it has 79 moons.
VGJ420.4 is a small terrestrial planet (4178 km radius) which orbits its star in 130166 Earth days, one day on VGJ420.4 lasts 18 Earth hours. Its average temperature is 1790 K (1517 C), its atmosphere mainly consists of and it has 48 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:VGJ420.1VGJ420.2VGJ420.3VGJ420.4
distance from star:64*106 km1748*106 km2908*106 km3490*106 km
radius:8076 km42284 km31507 km4178 km
mass:4213*1021 kg604808*1021 kg250213*1021 kg583*1021 kg
surface gravity: 4.31 m/s2
0.44 Earths
22.5 m/s2
2.30 Earths
16.8 m/s2
1.71 Earths
2.22 m/s2
0.22 Earths
escape velocity:8.344 km/s43.69 km/s32.55 km/s4.315 km/s
year: 1110 VGJ420.1 days
324 Earth days
276870 VGJ420.2 days
46145 Earth days
594126 VGJ420.3 days
99021 Earth days
173554 VGJ420.4 days
130166 Earth days
day:7 hrs4 hrs4 hrs18 hrs
axial tilt:111°31°
temperature:446 K
173 C
1130 K
857 C
1709 K
1436 C
1790 K
1517 C
atmosphere:82% N2
11% O2
7% CO2
0% other
96% H2
4% He
0% other
78% H2
22% He
0% other
100% other
moons:31557948
rings:021120

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