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MBA304: red supergiant star with 4 planets

  MBA304.1   MBA304.2   MBA304.3  
MBA304.4
 

Solar system 'MBA304' is a dual star system that comprises the stars 'MBA304.A' and 'MBA304.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 457 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MBA304.A' and 'MBA304.B' that dominate it gravitationally. 'MBA304.A' is a red supergiant class star that contains about 89% of the system's known mass, 'MBA304.B' is a red giant class star that contains about 10% of the system's known mass.

System 'MBA304' is located more than 2073 lightyears from the center of the galaxy.

This solar system comprises 4 planets

MBA304.1 is a large terrestrial planet (7939 km radius) which orbits its star in 334 Earth days, one day on MBA304.1 lasts 7 Earth hours. Its average temperature is 1392 K (1119 C), its atmosphere mainly consists of nitrogen, oxygen and it has 8 moons.
MBA304.2 is a large gas giant (76310 km radius) which orbits its star in 112189 Earth days, one day on MBA304.2 lasts 4 Earth hours. Its average temperature is 1831 K (1558 C), its atmosphere mainly consists of hydrogen, helium and it has 142 moons.
MBA304.3 is a large gas giant (77114 km radius) which orbits its star in 206104 Earth days, one day on MBA304.3 lasts 4 Earth hours. Its average temperature is 1041 K (768 C), its atmosphere mainly consists of hydrogen and it has 165 moons.
MBA304.4 is a large gas giant (61790 km radius) which orbits its star in 378638 Earth days, one day on MBA304.4 lasts 4 Earth hours. Its average temperature is 1977 K (1704 C), its atmosphere mainly consists of hydrogen and it has 142 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MBA304.1MBA304.2MBA304.3MBA304.4
distance from star:65*106 km3161*106 km4741*106 km7112*106 km
radius:7939 km76310 km77114 km61790 km
mass:4003*1021 kg3554956*1021 kg3668509*1021 kg1887315*1021 kg
surface gravity: 4.23 m/s2
0.43 Earths
40.7 m/s2
4.16 Earths
41.1 m/s2
4.20 Earths
32.9 m/s2
3.36 Earths
escape velocity:8.204 km/s78.85 km/s79.68 km/s63.85 km/s
year: 1145 MBA304.1 days
334 Earth days
673134 MBA304.2 days
112189 Earth days
1236624 MBA304.3 days
206104 Earth days
2271828 MBA304.4 days
378638 Earth days
day:7 hrs4 hrs4 hrs4 hrs
axial tilt:
temperature:1392 K
1119 C
1831 K
1558 C
1041 K
768 C
1977 K
1704 C
atmosphere:1% He
75% N2
22% O2
2% CO2
0% other
88% H2
12% He
0% other
94% H2
6% He
0% other
92% H2
8% He
0% other
moons:8142165142
rings:0006

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