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MCG493: yellow dwarf star with 9 planets

  MCG493.1   MCG493.2   MCG493.3   MCG493.4   MCG493.5   MCG493.6   MCG493.7  
MCG493.8
  MCG493.9  

Solar system 'MCG493' comprises the star 'MCG493' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 593 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCG493', a yellow dwarf class star that contains about 99.81% of the system's known mass and dominates it gravitationally. MCG493 is located more than 2819 lightyears from the center of the galaxy.

MCG493.5, the fifth planet in this system, may feature life forms. Its average temperature is 273K (0C) and it's atmosphere contains 16% of oxygen. One year on MCG493.5 lasts 2000 days, one day lasts 32 hours. It's diameter is 6470 km, 0.5 times the diameter of the Earth.

This solar system comprises 9 planets

MCG493.1 is a very large terrestrial planet (9876 km radius) which orbits its star in 0 Earth days, one day on MCG493.1 lasts 11 Earth hours. Its average temperature is 1308 K (1035 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCG493.2 is a very large terrestrial planet (9514 km radius) which orbits its star in 40 Earth days, one day on MCG493.2 lasts 11 Earth hours. Its average temperature is 1241 K (968 C), its atmosphere mainly consists of nitrogen and it has 4 moons.
MCG493.3 is a large terrestrial planet (8047 km radius) which orbits its star in 592 Earth days, one day on MCG493.3 lasts 12 Earth hours. Its average temperature is 831 K (558 C), its atmosphere mainly consists of nitrogen, oxygen and it has 14 moons.
MCG493.4 is a very large terrestrial planet (10794 km radius) which orbits its star in 1088 Earth days, one day on MCG493.4 lasts 11 Earth hours. Its average temperature is 492 K (219 C), its atmosphere mainly consists of nitrogen and it has 32 moons.
MCG493.5 is a small terrestrial planet (3235 km radius) which orbits its star in 2000 Earth days, one day on MCG493.5 lasts 32 Earth hours. Its average temperature is 273 K (0 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
MCG493.6 is a large gas giant (74380 km radius) which orbits its star in 29751 Earth days, one day on MCG493.6 lasts 9 Earth hours. Its average temperature is 1558 K (1285 C), its atmosphere mainly consists of hydrogen, helium and it has 107 moons.
MCG493.7 is a large gas giant (44651 km radius) which orbits its star in 57376 Earth days, one day on MCG493.7 lasts 9 Earth hours. Its average temperature is 1917 K (1644 C), its atmosphere mainly consists of hydrogen, helium and it has 129 moons.
MCG493.8 is a medium gas giant (29841 km radius) which orbits its star in 105407 Earth days, one day on MCG493.8 lasts 9 Earth hours. Its average temperature is 1913 K (1640 C), its atmosphere mainly consists of hydrogen, helium and it has 130 moons.
MCG493.9 is a medium gas giant (20896 km radius) which orbits its star in 193646 Earth days, one day on MCG493.9 lasts 9 Earth hours. Its average temperature is 1695 K (1422 C), its atmosphere mainly consists of hydrogen, helium and it has 173 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MCG493.1MCG493.2MCG493.3MCG493.4MCG493.5
distance from star:0*106 km16*106 km95*106 km143*106 km215*106 km
radius:9876 km9514 km8047 km10794 km3235 km
mass:7706*1021 kg6889*1021 kg4168*1021 kg10060*1021 kg270*1021 kg
surface gravity: 5.27 m/s2
0.53 Earths
5.07 m/s2
0.51 Earths
4.29 m/s2
0.43 Earths
5.76 m/s2
0.58 Earths
1.72 m/s2
0.17 Earths
escape velocity:10.20 km/s9.831 km/s8.315 km/s11.15 km/s3.337 km/s
year: 0 MCG493.1 days
0 Earth days
87 MCG493.2 days
40 Earth days
1184 MCG493.3 days
592 Earth days
2373 MCG493.4 days
1088 Earth days
1500 MCG493.5 days
2000 Earth days
day:11 hrs11 hrs12 hrs11 hrs32 hrs
axial tilt:23°18°189°
temperature:1308 K
1035 C
1241 K
968 C
831 K
558 C
492 K
219 C
273 K
0 C
atmosphere:2% H2
2% He
64% N2
31% O2
1% CO2
0% other
89% N2
9% O2
2% CO2
0% other
66% N2
32% O2
2% CO2
0% other
86% N2
10% O2
4% CO2
0% other
1% H2
1% He
81% N2
16% O2
1% CO2
0% other
moons:0414324
rings:00000

planet:MCG493.6MCG493.7MCG493.8MCG493.9
distance from star:1304*106 km2021*106 km3032*106 km4548*106 km
radius:74380 km44651 km29841 km20896 km
mass:3291990*1021 kg712169*1021 kg212583*1021 kg72992*1021 kg
surface gravity: 39.7 m/s2
4.05 Earths
23.8 m/s2
2.43 Earths
15.9 m/s2
1.62 Earths
11.1 m/s2
1.13 Earths
escape velocity:76.86 km/s46.14 km/s30.83 km/s21.59 km/s
year: 79336 MCG493.6 days
29751 Earth days
153002 MCG493.7 days
57376 Earth days
281085 MCG493.8 days
105407 Earth days
516389 MCG493.9 days
193646 Earth days
day:9 hrs9 hrs9 hrs9 hrs
axial tilt:
temperature:1558 K
1285 C
1917 K
1644 C
1913 K
1640 C
1695 K
1422 C
atmosphere:88% H2
12% He
0% other
84% H2
16% He
0% other
83% H2
17% He
0% other
77% H2
23% He
0% other
moons:107129130173
rings:00230

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