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VBG888: red dwarf star with 4 planets

  VBG888.1   VBG888.2  
VBG888.3
  VBG888.4  

Solar system 'VBG888' comprises the star 'VBG888' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 85 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'VBG888', a red dwarf class star that contains about 99.97% of the system's known mass and dominates it gravitationally. VBG888 is located more than 1440 lightyears from the center of the galaxy.

This solar system comprises 4 planets

VBG888.1 is a very large terrestrial planet (10319 km radius) which orbits its star in 94 Earth days, one day on VBG888.1 lasts 6 Earth hours. Its average temperature is 434 K (161 C), its atmosphere mainly consists of nitrogen and it has 1 moons.
VBG888.2 is a medium terrestrial planet (6757 km radius) which orbits its star in 279 Earth days, one day on VBG888.2 lasts 9 Earth hours. Its average temperature is 203 K (-70 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
VBG888.3 is a small gas giant (19805 km radius) which orbits its star in 13486 Earth days, one day on VBG888.3 lasts 4 Earth hours. Its average temperature is 1519 K (1246 C), its atmosphere mainly consists of hydrogen, helium and it has 33 moons.
VBG888.4 is a medium terrestrial planet (5484 km radius) which orbits its star in 17728 Earth days, one day on VBG888.4 lasts 12 Earth hours. Its average temperature is 1402 K (1129 C), its atmosphere mainly consists of and it has 50 moons.
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Planetary Orbits

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Planetary Statistics

planet:VBG888.1VBG888.2VBG888.3VBG888.4
distance from star:28*106 km58*106 km769*106 km923*106 km
radius:10319 km6757 km19805 km5484 km
mass:8790*1021 kg2468*1021 kg62146*1021 kg1319*1021 kg
surface gravity: 5.50 m/s2
0.56 Earths
3.60 m/s2
0.36 Earths
10.5 m/s2
1.07 Earths
2.92 m/s2
0.29 Earths
escape velocity:10.66 km/s6.982 km/s20.46 km/s5.666 km/s
year: 376 VBG888.1 days
94 Earth days
744 VBG888.2 days
279 Earth days
80916 VBG888.3 days
13486 Earth days
35456 VBG888.4 days
17728 Earth days
day:6 hrs9 hrs4 hrs12 hrs
axial tilt:348°245°336°
temperature:434 K
161 C
203 K
-70 C
1519 K
1246 C
1402 K
1129 C
atmosphere:83% N2
10% O2
7% CO2
0% other
85% N2
14% O2
1% CO2
0% other
77% H2
23% He
0% other
100% other
moons:113350
rings:0040

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