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MCK444: yellow dwarf star with 4 planets

  MCK444.1   MCK444.2  
MCK444.3
 
MCK444.4
 

Solar system 'MCK444' is a dual star system that comprises the stars 'MCK444.A' and 'MCK444.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 211 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MCK444.A' and 'MCK444.B' that dominate it gravitationally. 'MCK444.A' is a yellow dwarf class star that contains about 99% of the system's known mass, 'MCK444.B' is a brown dwarf class star that contains about 0% of the system's known mass.

System 'MCK444' is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 4 planets

MCK444.1 is a very large terrestrial planet (10523 km radius) which orbits its star in 3 Earth days, one day on MCK444.1 lasts 6 Earth hours. Its average temperature is 1154 K (881 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 0 moons.
MCK444.2 is a small terrestrial planet (3891 km radius) which orbits its star in 55 Earth days, one day on MCK444.2 lasts 20 Earth hours. Its average temperature is 1682 K (1409 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
MCK444.3 is a medium gas giant (22897 km radius) which orbits its star in 1903 Earth days, one day on MCK444.3 lasts 4 Earth hours. Its average temperature is 1530 K (1257 C), its atmosphere mainly consists of hydrogen and it has 56 moons.
MCK444.4 is a medium gas giant (31513 km radius) which orbits its star in 38595 Earth days, one day on MCK444.4 lasts 4 Earth hours. Its average temperature is 1343 K (1070 C), its atmosphere mainly consists of hydrogen, helium and it has 155 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MCK444.1MCK444.2MCK444.3MCK444.4
distance from star:2*106 km19*106 km208*106 km1552*106 km
radius:10523 km3891 km22897 km31513 km
mass:9321*1021 kg471*1021 kg96034*1021 kg250356*1021 kg
surface gravity: 5.61 m/s2
0.57 Earths
2.07 m/s2
0.21 Earths
12.2 m/s2
1.24 Earths
16.8 m/s2
1.71 Earths
escape velocity:10.87 km/s4.019 km/s23.66 km/s32.56 km/s
year: 12 MCK444.1 days
3 Earth days
66 MCK444.2 days
55 Earth days
11418 MCK444.3 days
1903 Earth days
231570 MCK444.4 days
38595 Earth days
day:6 hrs20 hrs4 hrs4 hrs
axial tilt:337°202°
temperature:1154 K
881 C
1682 K
1409 C
1530 K
1257 C
1343 K
1070 C
atmosphere:25% H2
4% He
29% N2
41% O2
1% CO2
0% other
91% N2
8% O2
1% CO2
0% other
92% H2
8% He
0% other
84% H2
16% He
0% other
moons:0056155
rings:001914

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