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MCK391: red giant star with 9 planets

 
MCK391.1
  MCK391.2   MCK391.3   MCK391.4   MCK391.5  
MCK391.6
 
MCK391.7
 
MCK391.8
  MCK391.9  

Solar system 'MCK391' comprises the star 'MCK391' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 459 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCK391', a red giant class star that contains about 99.97% of the system's known mass and dominates it gravitationally. MCK391 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 9 planets

MCK391.1 is a very small terrestrial planet (2266 km radius) which orbits its star in 47 Earth days, one day on MCK391.1 lasts 57 Earth hours. Its average temperature is 1922 K (1649 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 0 moons.
MCK391.2 is a very large terrestrial planet (9071 km radius) which orbits its star in 283 Earth days, one day on MCK391.2 lasts 12 Earth hours. Its average temperature is 1435 K (1162 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 4 moons.
MCK391.3 is a small terrestrial planet (4679 km radius) which orbits its star in 521 Earth days, one day on MCK391.3 lasts 20 Earth hours. Its average temperature is 1913 K (1640 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
MCK391.4 is a very small terrestrial planet (2065 km radius) which orbits its star in 958 Earth days, one day on MCK391.4 lasts 68 Earth hours. Its average temperature is 1134 K (861 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 0 moons.
MCK391.5 is a small terrestrial planet (3513 km radius) which orbits its star in 1759 Earth days, one day on MCK391.5 lasts 29 Earth hours. Its average temperature is 1260 K (987 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 3 moons.
MCK391.6 is a medium gas giant (25012 km radius) which orbits its star in 8255 Earth days, one day on MCK391.6 lasts 9 Earth hours. Its average temperature is 1195 K (922 C), its atmosphere mainly consists of hydrogen, helium and it has 162 moons.
MCK391.7 is a large gas giant (57750 km radius) which orbits its star in 24708 Earth days, one day on MCK391.7 lasts 9 Earth hours. Its average temperature is 1055 K (782 C), its atmosphere mainly consists of hydrogen and it has 113 moons.
MCK391.8 is a medium gas giant (32105 km radius) which orbits its star in 69376 Earth days, one day on MCK391.8 lasts 9 Earth hours. Its average temperature is 1319 K (1046 C), its atmosphere mainly consists of hydrogen and it has 136 moons.
MCK391.9 is a small terrestrial planet (4669 km radius) which orbits its star in 91197 Earth days, one day on MCK391.9 lasts 20 Earth hours. Its average temperature is 1439 K (1166 C), its atmosphere mainly consists of and it has 38 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MCK391.1MCK391.2MCK391.3MCK391.4MCK391.5
distance from star:17*106 km58*106 km88*106 km132*106 km198*106 km
radius:2266 km9071 km4679 km2065 km3513 km
mass:93*1021 kg5971*1021 kg819*1021 kg70*1021 kg346*1021 kg
surface gravity: 1.20 m/s2
0.12 Earths
4.84 m/s2
0.49 Earths
2.49 m/s2
0.25 Earths
1.09 m/s2
0.11 Earths
1.87 m/s2
0.19 Earths
escape velocity:2.340 km/s9.373 km/s4.833 km/s2.127 km/s3.625 km/s
year: 19 MCK391.1 days
47 Earth days
566 MCK391.2 days
283 Earth days
625 MCK391.3 days
521 Earth days
338 MCK391.4 days
958 Earth days
1455 MCK391.5 days
1759 Earth days
day:57 hrs12 hrs20 hrs68 hrs29 hrs
axial tilt:26°29°12°325°
temperature:1922 K
1649 C
1435 K
1162 C
1913 K
1640 C
1134 K
861 C
1260 K
987 C
atmosphere:31% H2
4% He
16% N2
48% O2
1% CO2
0% other
14% H2
4% He
33% N2
49% O2
0% other
86% N2
13% O2
1% CO2
0% other
14% H2
3% He
35% N2
47% O2
1% CO2
0% other
11% H2
2% He
56% N2
30% O2
1% CO2
0% other
moons:04303
rings:10000

planet:MCK391.6MCK391.7MCK391.8MCK391.9
distance from star:555*106 km1152*106 km2294*106 km2753*106 km
radius:25012 km57750 km32105 km4669 km
mass:125180*1021 kg1540798*1021 kg264732*1021 kg814*1021 kg
surface gravity: 13.3 m/s2
1.35 Earths
30.8 m/s2
3.14 Earths
17.1 m/s2
1.74 Earths
2.49 m/s2
0.25 Earths
escape velocity:25.84 km/s59.67 km/s33.17 km/s4.824 km/s
year: 22013 MCK391.6 days
8255 Earth days
65888 MCK391.7 days
24708 Earth days
185002 MCK391.8 days
69376 Earth days
109436 MCK391.9 days
91197 Earth days
day:9 hrs9 hrs9 hrs20 hrs
axial tilt:
temperature:1195 K
922 C
1055 K
782 C
1319 K
1046 C
1439 K
1166 C
atmosphere:77% H2
23% He
0% other
91% H2
9% He
0% other
100% H2
0% other
100% other
moons:16211313638
rings:715150

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