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MCK381: yellow dwarf star with 8 planets

  MCK381.1   MCK381.2   MCK381.3  
MCK381.4
 
MCK381.5
 
MCK381.6
 
MCK381.7
  MCK381.8  

Solar system 'MCK381' is a dual star system that comprises the stars 'MCK381.A' and 'MCK381.B' and the retinue of celestial objects gravitationally bound to them: 8 planets and their 641 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MCK381.A' and 'MCK381.B' that dominate it gravitationally. 'MCK381.A' is a yellow dwarf class star that contains about 69% of the system's known mass, 'MCK381.B' is a yellow dwarf class star that contains about 29% of the system's known mass.

System 'MCK381' is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 8 planets

MCK381.1 is a very large terrestrial planet (9996 km radius) which orbits its star in 2 Earth days, one day on MCK381.1 lasts 10 Earth hours. Its average temperature is 1822 K (1549 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
MCK381.2 is a small terrestrial planet (4622 km radius) which orbits its star in 27 Earth days, one day on MCK381.2 lasts 19 Earth hours. Its average temperature is 1048 K (775 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCK381.3 is a large gas giant (76248 km radius) which orbits its star in 3509 Earth days, one day on MCK381.3 lasts 8 Earth hours. Its average temperature is 1646 K (1373 C), its atmosphere mainly consists of hydrogen and it has 148 moons.
MCK381.4 is a large gas giant (64811 km radius) which orbits its star in 12166 Earth days, one day on MCK381.4 lasts 8 Earth hours. Its average temperature is 1448 K (1175 C), its atmosphere mainly consists of hydrogen, helium and it has 150 moons.
MCK381.5 is a medium gas giant (31400 km radius) which orbits its star in 63797 Earth days, one day on MCK381.5 lasts 8 Earth hours. Its average temperature is 1362 K (1089 C), its atmosphere mainly consists of hydrogen, helium and it has 97 moons.
MCK381.6 is a large gas giant (79239 km radius) which orbits its star in 120490 Earth days, one day on MCK381.6 lasts 8 Earth hours. Its average temperature is 1295 K (1022 C), its atmosphere mainly consists of hydrogen and it has 113 moons.
MCK381.7 is a large gas giant (64672 km radius) which orbits its star in 323150 Earth days, one day on MCK381.7 lasts 8 Earth hours. Its average temperature is 1087 K (814 C), its atmosphere mainly consists of hydrogen and it has 109 moons.
MCK381.8 is a medium terrestrial planet (5977 km radius) which orbits its star in 424792 Earth days, one day on MCK381.8 lasts 14 Earth hours. Its average temperature is 1350 K (1077 C), its atmosphere mainly consists of and it has 23 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MCK381.1MCK381.2MCK381.3MCK381.4MCK381.5
distance from star:2*106 km12*106 km313*106 km718*106 km2169*106 km
radius:9996 km4622 km76248 km64811 km31400 km
mass:7990*1021 kg789*1021 kg3546299*1021 kg2177891*1021 kg247673*1021 kg
surface gravity: 5.33 m/s2
0.54 Earths
2.46 m/s2
0.25 Earths
40.7 m/s2
4.16 Earths
34.6 m/s2
3.53 Earths
16.7 m/s2
1.70 Earths
escape velocity:10.32 km/s4.773 km/s78.79 km/s66.97 km/s32.44 km/s
year: 4 MCK381.1 days
2 Earth days
34 MCK381.2 days
27 Earth days
10527 MCK381.3 days
3509 Earth days
36498 MCK381.4 days
12166 Earth days
191391 MCK381.5 days
63797 Earth days
day:10 hrs19 hrs8 hrs8 hrs8 hrs
axial tilt:16°79°
temperature:1822 K
1549 C
1048 K
775 C
1646 K
1373 C
1448 K
1175 C
1362 K
1089 C
atmosphere:78% N2
20% O2
2% CO2
0% other
79% N2
17% O2
4% CO2
0% other
90% H2
10% He
0% other
77% H2
23% He
0% other
78% H2
22% He
0% other
moons:1014815097
rings:0001018

planet:MCK381.6MCK381.7MCK381.8
distance from star:3315*106 km6399*106 km7679*106 km
radius:79239 km64672 km5977 km
mass:3980218*1021 kg2163908*1021 kg1708*1021 kg
surface gravity: 42.3 m/s2
4.32 Earths
34.5 m/s2
3.52 Earths
3.19 m/s2
0.32 Earths
escape velocity:81.88 km/s66.83 km/s6.176 km/s
year: 361470 MCK381.6 days
120490 Earth days
969450 MCK381.7 days
323150 Earth days
728214 MCK381.8 days
424792 Earth days
day:8 hrs8 hrs14 hrs
axial tilt:
temperature:1295 K
1022 C
1087 K
814 C
1350 K
1077 C
atmosphere:96% H2
4% He
0% other
91% H2
9% He
0% other
100% other
moons:11310923
rings:330

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