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MCG427: red dwarf star with 3 planets

  MCG427.1   MCG427.2   MCG427.3  

Solar system 'MCG427' comprises the star 'MCG427' and the retinue of celestial objects gravitationally bound to it: 3 planets and their 27 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCG427', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. MCG427 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 3 planets

MCG427.1 is a very small terrestrial planet (2640 km radius) which orbits its star in 8 Earth days, one day on MCG427.1 lasts 38 Earth hours. Its average temperature is 1133 K (860 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 0 moons.
MCG427.2 is a very large terrestrial planet (9341 km radius) which orbits its star in 37 Earth days, one day on MCG427.2 lasts 5 Earth hours. Its average temperature is 1356 K (1083 C), its atmosphere mainly consists of nitrogen, oxygen and it has 8 moons.
MCG427.3 is a very large terrestrial planet (10860 km radius) which orbits its star in 441 Earth days, one day on MCG427.3 lasts 5 Earth hours. Its average temperature is 597 K (324 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MCG427.1MCG427.2MCG427.3
distance from star:5*106 km15*106 km78*106 km
radius:2640 km9341 km10860 km
mass:147*1021 kg6520*1021 kg10246*1021 kg
surface gravity: 1.40 m/s2
0.14 Earths
4.98 m/s2
0.50 Earths
5.79 m/s2
0.59 Earths
escape velocity:2.726 km/s9.652 km/s11.22 km/s
year: 5 MCG427.1 days
8 Earth days
177 MCG427.2 days
37 Earth days
2116 MCG427.3 days
441 Earth days
day:38 hrs5 hrs5 hrs
axial tilt:332°21°18°
temperature:1133 K
860 C
1356 K
1083 C
597 K
324 C
atmosphere:14% H2
4% He
37% N2
45% O2
0% other
1% H2
2% He
61% N2
35% O2
1% CO2
0% other
1% He
85% N2
13% O2
1% CO2
0% other
moons:0819
rings:000

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