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MCK399: red giant star with 6 planets

  MCK399.1   MCK399.2   MCK399.3  
MCK399.4
  MCK399.5  
MCK399.6
 

Solar system 'MCK399' is a dual star system that comprises the stars 'MCK399.A' and 'MCK399.B' and the retinue of celestial objects gravitationally bound to them: 6 planets and their 328 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MCK399.A' and 'MCK399.B' that dominate it gravitationally. 'MCK399.A' is a red giant class star that contains about 81% of the system's known mass, 'MCK399.B' is a red giant class star that contains about 18% of the system's known mass.

System 'MCK399' is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 6 planets

MCK399.1 is a large terrestrial planet (7475 km radius) which orbits its star in 83 Earth days, one day on MCK399.1 lasts 10 Earth hours. Its average temperature is 1736 K (1463 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
MCK399.2 is a very large terrestrial planet (9346 km radius) which orbits its star in 211 Earth days, one day on MCK399.2 lasts 8 Earth hours. Its average temperature is 1002 K (729 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCK399.3 is a small terrestrial planet (4435 km radius) which orbits its star in 389 Earth days, one day on MCK399.3 lasts 18 Earth hours. Its average temperature is 1337 K (1064 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
MCK399.4 is a massive terrestrial planet (15322 km radius) which orbits its star in 9339 Earth days, one day on MCK399.4 lasts 7 Earth hours. Its average temperature is 1511 K (1238 C), its atmosphere mainly consists of hydrogen, helium and it has 95 moons.
MCK399.5 is a large gas giant (79802 km radius) which orbits its star in 127566 Earth days, one day on MCK399.5 lasts 6 Earth hours. Its average temperature is 1345 K (1072 C), its atmosphere mainly consists of hydrogen and it has 168 moons.
MCK399.6 is a huge terrestrial planet (13965 km radius) which orbits its star in 234355 Earth days, one day on MCK399.6 lasts 7 Earth hours. Its average temperature is 1627 K (1354 C), its atmosphere mainly consists of hydrogen, helium and it has 64 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MCK399.1MCK399.2MCK399.3MCK399.4MCK399.5
distance from star:25*106 km48*106 km72*106 km602*106 km3443*106 km
radius:7475 km9346 km4435 km15322 km79802 km
mass:3341*1021 kg6530*1021 kg697*1021 kg28776*1021 kg4065662*1021 kg
surface gravity: 3.99 m/s2
0.40 Earths
4.98 m/s2
0.50 Earths
2.36 m/s2
0.24 Earths
8.18 m/s2
0.83 Earths
42.6 m/s2
4.35 Earths
escape velocity:7.724 km/s9.657 km/s4.580 km/s15.83 km/s82.46 km/s
year: 199 MCK399.1 days
83 Earth days
633 MCK399.2 days
211 Earth days
518 MCK399.3 days
389 Earth days
32019 MCK399.4 days
9339 Earth days
510264 MCK399.5 days
127566 Earth days
day:10 hrs8 hrs18 hrs7 hrs6 hrs
axial tilt:19°14°10°
temperature:1736 K
1463 C
1002 K
729 C
1337 K
1064 C
1511 K
1238 C
1345 K
1072 C
atmosphere:2% H2
2% He
47% N2
49% O2
0% other
2% H2
3% He
62% N2
33% O2
0% other
90% N2
4% O2
6% CO2
0% other
86% H2
14% He
0% other
99% H2
1% He
0% other
moons:10095168
rings:000200

planet:MCK399.6
distance from star:5165*106 km
radius:13965 km
mass:21787*1021 kg
surface gravity: 7.45 m/s2
0.76 Earths
escape velocity:14.43 km/s
year: 803502 MCK399.6 days
234355 Earth days
day:7 hrs
axial tilt:
temperature:1627 K
1354 C
atmosphere:83% H2
17% He
0% other
moons:64
rings:5

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