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MCG451: red dwarf star with 4 planets

 
MCG451.1
 
MCG451.2
 
MCG451.3
  MCG451.4  

Solar system 'MCG451' comprises the star 'MCG451' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 344 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCG451', a red dwarf class star that contains about 99.48% of the system's known mass and dominates it gravitationally. MCG451 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 4 planets

MCG451.1 is a large gas giant (71724 km radius) which orbits its star in 96095 Earth days, one day on MCG451.1 lasts 4 Earth hours. Its average temperature is 1375 K (1102 C), its atmosphere mainly consists of hydrogen and it has 107 moons.
MCG451.2 is a large gas giant (64787 km radius) which orbits its star in 176538 Earth days, one day on MCG451.2 lasts 4 Earth hours. Its average temperature is 1656 K (1383 C), its atmosphere mainly consists of hydrogen, helium and it has 96 moons.
MCG451.3 is a very large terrestrial planet (9212 km radius) which orbits its star in 324321 Earth days, one day on MCG451.3 lasts 6 Earth hours. Its average temperature is 1590 K (1317 C), its atmosphere mainly consists of hydrogen, helium and it has 119 moons.
MCG451.4 is a small terrestrial planetoid (1812 km radius) which orbits its star in 426331 Earth days, one day on MCG451.4 lasts 81 Earth hours. Its average temperature is 1647 K (1374 C), its atmosphere mainly consists of and it has 22 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MCG451.1MCG451.2MCG451.3MCG451.4
distance from star:2851*106 km4276*106 km6415*106 km7698*106 km
radius:71724 km64787 km9212 km1812 km
mass:2951776*1021 kg2175472*1021 kg6253*1021 kg47*1021 kg
surface gravity: 38.2 m/s2
3.90 Earths
34.5 m/s2
3.52 Earths
4.91 m/s2
0.50 Earths
0.95 m/s2
0.09 Earths
escape velocity:74.11 km/s66.94 km/s9.518 km/s1.860 km/s
year: 576570 MCG451.1 days
96095 Earth days
1059228 MCG451.2 days
176538 Earth days
1297284 MCG451.3 days
324321 Earth days
126320 MCG451.4 days
426331 Earth days
day:4 hrs4 hrs6 hrs81 hrs
axial tilt:44°
temperature:1375 K
1102 C
1656 K
1383 C
1590 K
1317 C
1647 K
1374 C
atmosphere:96% H2
4% He
0% other
78% H2
22% He
0% other
86% H2
14% He
0% other
100% other
moons:1079611922
rings:212250

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