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MCG440: yellow giant star with 3 planets

  MCG440.1   MCG440.2  
MCG440.3
 

Solar system 'MCG440' is a dual star system that comprises the stars 'MCG440.A' and 'MCG440.B' and the retinue of celestial objects gravitationally bound to them: 3 planets and their 272 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MCG440.A' and 'MCG440.B' that dominate it gravitationally. 'MCG440.A' is a yellow giant class star that contains about 95% of the system's known mass, 'MCG440.B' is a red giant class star that contains about 4% of the system's known mass.

System 'MCG440' is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 3 planets

MCG440.1 is a small terrestrial planet (3701 km radius) which orbits its star in 14 Earth days, one day on MCG440.1 lasts 21 Earth hours. Its average temperature is 1987 K (1714 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
MCG440.2 is a large gas giant (71583 km radius) which orbits its star in 94817 Earth days, one day on MCG440.2 lasts 3 Earth hours. Its average temperature is 1301 K (1028 C), its atmosphere mainly consists of hydrogen, helium and it has 119 moons.
MCG440.3 is a large gas giant (61419 km radius) which orbits its star in 174190 Earth days, one day on MCG440.3 lasts 3 Earth hours. Its average temperature is 1256 K (983 C), its atmosphere mainly consists of hydrogen, helium and it has 153 moons.
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Planetary Orbits

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Planetary Statistics

planet:MCG440.1MCG440.2MCG440.3
distance from star:7*106 km2825*106 km4238*106 km
radius:3701 km71583 km61419 km
mass:405*1021 kg2934402*1021 kg1853523*1021 kg
surface gravity: 1.97 m/s2
0.20 Earths
38.2 m/s2
3.90 Earths
32.7 m/s2
3.34 Earths
escape velocity:3.821 km/s73.97 km/s63.46 km/s
year: 16 MCG440.1 days
14 Earth days
758536 MCG440.2 days
94817 Earth days
1393520 MCG440.3 days
174190 Earth days
day:21 hrs3 hrs3 hrs
axial tilt:44°79°
temperature:1987 K
1714 C
1301 K
1028 C
1256 K
983 C
atmosphere:93% N2
4% O2
3% CO2
0% other
76% H2
24% He
0% other
87% H2
13% He
0% other
moons:0119153
rings:001

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