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MKD971: red supergiant star with 3 planets

 
MKD971.1
 
MKD971.2
 
MKD971.3
 

Solar system 'MKD971' is a dual star system that comprises the stars 'MKD971.A' and 'MKD971.B' and the retinue of celestial objects gravitationally bound to them: 3 planets and their 405 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MKD971.A' and 'MKD971.B' that dominate it gravitationally. 'MKD971.A' is a red supergiant class star that contains about 86% of the system's known mass, 'MKD971.B' is a red giant class star that contains about 13% of the system's known mass.

System 'MKD971' is located more than 2444 lightyears from the center of the galaxy.

This solar system comprises 3 planets

MKD971.1 is a large gas giant (72571 km radius) which orbits its star in 12365 Earth days, one day on MKD971.1 lasts 3 Earth hours. Its average temperature is 1382 K (1109 C), its atmosphere mainly consists of hydrogen, helium and it has 125 moons.
MKD971.2 is a large gas giant (64703 km radius) which orbits its star in 22716 Earth days, one day on MKD971.2 lasts 3 Earth hours. Its average temperature is 1643 K (1370 C), its atmosphere mainly consists of hydrogen and it has 166 moons.
MKD971.3 is a small gas giant (18963 km radius) which orbits its star in 41733 Earth days, one day on MKD971.3 lasts 3 Earth hours. Its average temperature is 1625 K (1352 C), its atmosphere mainly consists of hydrogen and it has 114 moons.
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Planetary Orbits

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Planetary Statistics

planet:MKD971.1MKD971.2MKD971.3
distance from star:726*106 km1090*106 km1635*106 km
radius:72571 km64703 km18963 km
mass:3057590*1021 kg2167021*1021 kg54552*1021 kg
surface gravity: 38.7 m/s2
3.95 Earths
34.5 m/s2
3.52 Earths
10.1 m/s2
1.03 Earths
escape velocity:74.99 km/s66.86 km/s19.59 km/s
year: 98920 MKD971.1 days
12365 Earth days
181728 MKD971.2 days
22716 Earth days
333864 MKD971.3 days
41733 Earth days
day:3 hrs3 hrs3 hrs
axial tilt:
temperature:1382 K
1109 C
1643 K
1370 C
1625 K
1352 C
atmosphere:88% H2
12% He
0% other
98% H2
2% He
0% other
93% H2
7% He
0% other
moons:125166114
rings:192010

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