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MCK347: red dwarf star with 4 planets

  MCK347.1  
MCK347.2
 
MCK347.3
  MCK347.4  

Solar system 'MCK347' comprises the star 'MCK347' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 254 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCK347', a red dwarf class star that contains about 99.95% of the system's known mass and dominates it gravitationally. MCK347 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 4 planets

MCK347.1 is a small terrestrial planet (4555 km radius) which orbits its star in 186 Earth days, one day on MCK347.1 lasts 16 Earth hours. Its average temperature is 556 K (283 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 1 moons.
MCK347.2 is a small gas giant (18668 km radius) which orbits its star in 16599 Earth days, one day on MCK347.2 lasts 4 Earth hours. Its average temperature is 1177 K (904 C), its atmosphere mainly consists of hydrogen and it has 149 moons.
MCK347.3 is a medium gas giant (36593 km radius) which orbits its star in 88088 Earth days, one day on MCK347.3 lasts 4 Earth hours. Its average temperature is 1280 K (1007 C), its atmosphere mainly consists of hydrogen, helium and it has 48 moons.
MCK347.4 is a very small terrestrial planet (2802 km radius) which orbits its star in 115794 Earth days, one day on MCK347.4 lasts 36 Earth hours. Its average temperature is 1549 K (1276 C), its atmosphere mainly consists of and it has 56 moons.
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Planetary Statistics

planet:MCK347.1MCK347.2MCK347.3MCK347.4
distance from star:44*106 km884*106 km2690*106 km3228*106 km
radius:4555 km18668 km36593 km2802 km
mass:756*1021 kg52045*1021 kg391998*1021 kg175*1021 kg
surface gravity: 2.43 m/s2
0.24 Earths
9.96 m/s2
1.01 Earths
19.5 m/s2
1.99 Earths
1.48 m/s2
0.15 Earths
escape velocity:4.706 km/s19.29 km/s37.81 km/s2.887 km/s
year: 279 MCK347.1 days
186 Earth days
99594 MCK347.2 days
16599 Earth days
528528 MCK347.3 days
88088 Earth days
77196 MCK347.4 days
115794 Earth days
day:16 hrs4 hrs4 hrs36 hrs
axial tilt:27°17°
temperature:556 K
283 C
1177 K
904 C
1280 K
1007 C
1549 K
1276 C
atmosphere:11% H2
3% He
45% N2
41% O2
0% other
99% H2
1% He
0% other
85% H2
15% He
0% other
100% other
moons:11494856
rings:01210

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