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MCD578: red giant star with 5 planets

 
MCD578.1
 
MCD578.2
 
MCD578.3
 
MCD578.4
 
MCD578.5
 

Solar system 'MCD578' comprises the star 'MCD578' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 522 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCD578', a red giant class star that contains about 99.71% of the system's known mass and dominates it gravitationally. MCD578 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 5 planets

MCD578.1 is a large gas giant (77100 km radius) which orbits its star in 4231 Earth days, one day on MCD578.1 lasts 5 Earth hours. Its average temperature is 1074 K (801 C), its atmosphere mainly consists of hydrogen, helium and it has 137 moons.
MCD578.2 is a huge terrestrial planet (14443 km radius) which orbits its star in 7773 Earth days, one day on MCD578.2 lasts 6 Earth hours. Its average temperature is 1073 K (800 C), its atmosphere mainly consists of hydrogen and it has 118 moons.
MCD578.3 is a large gas giant (73640 km radius) which orbits its star in 154255 Earth days, one day on MCD578.3 lasts 5 Earth hours. Its average temperature is 1890 K (1617 C), its atmosphere mainly consists of hydrogen and it has 46 moons.
MCD578.4 is a large gas giant (56027 km radius) which orbits its star in 283385 Earth days, one day on MCD578.4 lasts 5 Earth hours. Its average temperature is 1515 K (1242 C), its atmosphere mainly consists of hydrogen and it has 125 moons.
MCD578.5 is a very large terrestrial planet (10379 km radius) which orbits its star in 520612 Earth days, one day on MCD578.5 lasts 7 Earth hours. Its average temperature is 1827 K (1554 C), its atmosphere mainly consists of hydrogen and it has 96 moons.
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Planetary Statistics

planet:MCD578.1MCD578.2MCD578.3MCD578.4MCD578.5
distance from star:355*106 km533*106 km3908*106 km5863*106 km8794*106 km
radius:77100 km14443 km73640 km56027 km10379 km
mass:3666512*1021 kg24102*1021 kg3194709*1021 kg1406961*1021 kg8944*1021 kg
surface gravity: 41.1 m/s2
4.20 Earths
7.71 m/s2
0.78 Earths
39.3 m/s2
4.01 Earths
29.9 m/s2
3.05 Earths
5.54 m/s2
0.56 Earths
escape velocity:79.67 km/s14.92 km/s76.09 km/s57.89 km/s10.72 km/s
year: 20308 MCD578.1 days
4231 Earth days
31092 MCD578.2 days
7773 Earth days
740424 MCD578.3 days
154255 Earth days
1360248 MCD578.4 days
283385 Earth days
1784955 MCD578.5 days
520612 Earth days
day:5 hrs6 hrs5 hrs5 hrs7 hrs
axial tilt:
temperature:1074 K
801 C
1073 K
800 C
1890 K
1617 C
1515 K
1242 C
1827 K
1554 C
atmosphere:77% H2
23% He
0% other
92% H2
8% He
0% other
93% H2
7% He
0% other
100% H2
0% other
99% H2
1% He
0% other
moons:1371184612596
rings:17141313

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