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MCD591: red giant star with 4 planets

  MCD591.1   MCD591.2   MCD591.3  
MCD591.4
 

Solar system 'MCD591' comprises the star 'MCD591' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 168 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCD591', a red giant class star that contains about 99.89% of the system's known mass and dominates it gravitationally. MCD591 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 4 planets

MCD591.1 is a small terrestrial planet (4702 km radius) which orbits its star in 40 Earth days, one day on MCD591.1 lasts 15 Earth hours. Its average temperature is 1217 K (944 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCD591.2 is a small terrestrial planet (4814 km radius) which orbits its star in 255 Earth days, one day on MCD591.2 lasts 14 Earth hours. Its average temperature is 1649 K (1376 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
MCD591.3 is a small terrestrial planet (3119 km radius) which orbits its star in 469 Earth days, one day on MCD591.3 lasts 29 Earth hours. Its average temperature is 1099 K (826 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
MCD591.4 is a large gas giant (67083 km radius) which orbits its star in 47500 Earth days, one day on MCD591.4 lasts 4 Earth hours. Its average temperature is 1183 K (910 C), its atmosphere mainly consists of hydrogen, helium and it has 166 moons.
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Planetary Orbits

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Planetary Statistics

planet:MCD591.1MCD591.2MCD591.3MCD591.4
distance from star:15*106 km54*106 km82*106 km1782*106 km
radius:4702 km4814 km3119 km67083 km
mass:831*1021 kg892*1021 kg242*1021 kg2415057*1021 kg
surface gravity: 2.50 m/s2
0.25 Earths
2.56 m/s2
0.26 Earths
1.66 m/s2
0.16 Earths
35.8 m/s2
3.66 Earths
escape velocity:4.857 km/s4.973 km/s3.218 km/s69.32 km/s
year: 64 MCD591.1 days
40 Earth days
437 MCD591.2 days
255 Earth days
388 MCD591.3 days
469 Earth days
285000 MCD591.4 days
47500 Earth days
day:15 hrs14 hrs29 hrs4 hrs
axial tilt:28°340°
temperature:1217 K
944 C
1649 K
1376 C
1099 K
826 C
1183 K
910 C
atmosphere:2% He
69% N2
26% O2
3% CO2
0% other
72% N2
26% O2
2% CO2
0% other
1% H2
1% He
63% N2
35% O2
0% other
83% H2
17% He
0% other
moons:011166
rings:0009

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