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VBF654: red dwarf star with 4 planets

  VBF654.1   VBF654.2   VBF654.3  
VBF654.4
 

Solar system 'VBF654' comprises the star 'VBF654' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 326 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'VBF654', a red dwarf class star that contains about 99.4% of the system's known mass and dominates it gravitationally. VBF654 is located more than 4444 lightyears from the center of the galaxy.

This solar system comprises 4 planets

VBF654.1 is a large terrestrial planet (7909 km radius) which orbits its star in 220 Earth days, one day on VBF654.1 lasts 7 Earth hours. Its average temperature is 384 K (111 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 8 moons.
VBF654.2 is a large gas giant (69054 km radius) which orbits its star in 115527 Earth days, one day on VBF654.2 lasts 4 Earth hours. Its average temperature is 1030 K (757 C), its atmosphere mainly consists of hydrogen, helium and it has 45 moons.
VBF654.3 is a medium gas giant (25367 km radius) which orbits its star in 212237 Earth days, one day on VBF654.3 lasts 4 Earth hours. Its average temperature is 1704 K (1431 C), its atmosphere mainly consists of hydrogen, helium and it has 162 moons.
VBF654.4 is a large gas giant (67974 km radius) which orbits its star in 431290 Earth days, one day on VBF654.4 lasts 4 Earth hours. Its average temperature is 1265 K (992 C), its atmosphere mainly consists of hydrogen and it has 111 moons.
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Planetary Orbits

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Planetary Statistics

planet:VBF654.1VBF654.2VBF654.3VBF654.4
distance from star:49*106 km3223*106 km4835*106 km7757*106 km
radius:7909 km69054 km25367 km67974 km
mass:3957*1021 kg2634247*1021 kg130586*1021 kg2512571*1021 kg
surface gravity: 4.22 m/s2
0.43 Earths
36.8 m/s2
3.76 Earths
13.5 m/s2
1.38 Earths
36.2 m/s2
3.70 Earths
escape velocity:8.172 km/s71.35 km/s26.21 km/s70.24 km/s
year: 754 VBF654.1 days
220 Earth days
693162 VBF654.2 days
115527 Earth days
1273422 VBF654.3 days
212237 Earth days
2587740 VBF654.4 days
431290 Earth days
day:7 hrs4 hrs4 hrs4 hrs
axial tilt:13°
temperature:384 K
111 C
1030 K
757 C
1704 K
1431 C
1265 K
992 C
atmosphere:25% H2
3% He
22% N2
49% O2
1% CO2
0% other
77% H2
23% He
0% other
89% H2
11% He
0% other
91% H2
9% He
0% other
moons:845162111
rings:00015

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