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MCG521: red dwarf star with 6 planets

  MCG521.1   MCG521.2   MCG521.3  
MCG521.4
 
MCG521.5
 
MCG521.6
 

Solar system 'MCG521' comprises the star 'MCG521' and the retinue of celestial objects gravitationally bound to it: 6 planets and their 321 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCG521', a red dwarf class star that contains about 98.84% of the system's known mass and dominates it gravitationally. MCG521 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 6 planets

MCG521.1 is a very large terrestrial planet (10188 km radius) which orbits its star in 586 Earth days, one day on MCG521.1 lasts 8 Earth hours. Its average temperature is 41 K (-232 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
MCG521.2 is a small terrestrial planet (4766 km radius) which orbits its star in 1077 Earth days, one day on MCG521.2 lasts 17 Earth hours. Its average temperature is 36 K (-237 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 1 moons.
MCG521.3 is a medium terrestrial planet (6289 km radius) which orbits its star in 1979 Earth days, one day on MCG521.3 lasts 12 Earth hours. Its average temperature is 24 K (-249 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
MCG521.4 is a large gas giant (74250 km radius) which orbits its star in 137946 Earth days, one day on MCG521.4 lasts 6 Earth hours. Its average temperature is 1566 K (1293 C), its atmosphere mainly consists of hydrogen and it has 97 moons.
MCG521.5 is a medium gas giant (20511 km radius) which orbits its star in 253423 Earth days, one day on MCG521.5 lasts 6 Earth hours. Its average temperature is 1127 K (854 C), its atmosphere mainly consists of hydrogen and it has 96 moons.
MCG521.6 is a large gas giant (45400 km radius) which orbits its star in 465567 Earth days, one day on MCG521.6 lasts 6 Earth hours. Its average temperature is 1077 K (804 C), its atmosphere mainly consists of hydrogen, helium and it has 91 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MCG521.1MCG521.2MCG521.3MCG521.4MCG521.5
distance from star:95*106 km142*106 km214*106 km3628*106 km5442*106 km
radius:10188 km4766 km6289 km74250 km20511 km
mass:8459*1021 kg866*1021 kg1989*1021 kg3274759*1021 kg69032*1021 kg
surface gravity: 5.43 m/s2
0.55 Earths
2.54 m/s2
0.25 Earths
3.35 m/s2
0.34 Earths
39.6 m/s2
4.04 Earths
10.9 m/s2
1.11 Earths
escape velocity:10.52 km/s4.924 km/s6.497 km/s76.72 km/s21.19 km/s
year: 1758 MCG521.1 days
586 Earth days
1520 MCG521.2 days
1077 Earth days
3958 MCG521.3 days
1979 Earth days
551784 MCG521.4 days
137946 Earth days
1013692 MCG521.5 days
253423 Earth days
day:8 hrs17 hrs12 hrs6 hrs6 hrs
axial tilt:29°23°13°41°
temperature:41 K
-232 C
36 K
-237 C
24 K
-249 C
1566 K
1293 C
1127 K
854 C
atmosphere:66% N2
33% O2
1% CO2
0% other
22% H2
3% He
33% N2
40% O2
2% CO2
0% other
67% N2
33% O2
0% other
96% H2
4% He
0% other
91% H2
9% He
0% other
moons:171199796
rings:00084

planet:MCG521.6
distance from star:8163*106 km
radius:45400 km
mass:748613*1021 kg
surface gravity: 24.2 m/s2
2.47 Earths
escape velocity:46.91 km/s
year: 1862268 MCG521.6 days
465567 Earth days
day:6 hrs
axial tilt:45°
temperature:1077 K
804 C
atmosphere:83% H2
17% He
0% other
moons:91
rings:21

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