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MCG488: red giant star with 4 planets

  MCG488.1  
MCG488.2
 
MCG488.3
 
MCG488.4
 

Solar system 'MCG488' comprises the star 'MCG488' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 290 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCG488', a red giant class star that contains about 99.95% of the system's known mass and dominates it gravitationally. MCG488 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 4 planets

MCG488.1 is a large terrestrial planet (7390 km radius) which orbits its star in 127 Earth days, one day on MCG488.1 lasts 8 Earth hours. Its average temperature is 1704 K (1431 C), its atmosphere mainly consists of nitrogen, oxygen and it has 10 moons.
MCG488.2 is a large gas giant (46299 km radius) which orbits its star in 27954 Earth days, one day on MCG488.2 lasts 4 Earth hours. Its average temperature is 1896 K (1623 C), its atmosphere mainly consists of hydrogen, helium and it has 104 moons.
MCG488.3 is a large gas giant (67586 km radius) which orbits its star in 51354 Earth days, one day on MCG488.3 lasts 4 Earth hours. Its average temperature is 1557 K (1284 C), its atmosphere mainly consists of hydrogen, helium and it has 125 moons.
MCG488.4 is a large gas giant (74650 km radius) which orbits its star in 183248 Earth days, one day on MCG488.4 lasts 4 Earth hours. Its average temperature is 1309 K (1036 C), its atmosphere mainly consists of hydrogen and it has 51 moons.
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Planetary Statistics

planet:MCG488.1MCG488.2MCG488.3MCG488.4
distance from star:34*106 km1251*106 km1877*106 km4384*106 km
radius:7390 km46299 km67586 km74650 km
mass:3228*1021 kg793971*1021 kg2469791*1021 kg3327970*1021 kg
surface gravity: 3.94 m/s2
0.40 Earths
24.7 m/s2
2.52 Earths
36.0 m/s2
3.68 Earths
39.8 m/s2
4.06 Earths
escape velocity:7.635 km/s47.84 km/s69.84 km/s77.14 km/s
year: 381 MCG488.1 days
127 Earth days
167724 MCG488.2 days
27954 Earth days
308124 MCG488.3 days
51354 Earth days
1099488 MCG488.4 days
183248 Earth days
day:8 hrs4 hrs4 hrs4 hrs
axial tilt:26°
temperature:1704 K
1431 C
1896 K
1623 C
1557 K
1284 C
1309 K
1036 C
atmosphere:3% H2
2% He
66% N2
26% O2
3% CO2
0% other
84% H2
16% He
0% other
87% H2
13% He
0% other
96% H2
4% He
0% other
moons:1010412551
rings:0212216

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