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MEB428: red supergiant star with 3 planets

 
MEB428.1
 
MEB428.2
 
MEB428.3
 

Solar system 'MEB428' is a dual star system that comprises the stars 'MEB428.A' and 'MEB428.B' and the retinue of celestial objects gravitationally bound to them: 3 planets and their 352 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MEB428.A' and 'MEB428.B' that dominate it gravitationally. 'MEB428.A' is a red supergiant class star that contains about 91% of the system's known mass, 'MEB428.B' is a red giant class star that contains about 8% of the system's known mass.

System 'MEB428' is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 3 planets

MEB428.1 is a massive terrestrial planet (17476 km radius) which orbits its star in 1118 Earth days, one day on MEB428.1 lasts 3 Earth hours. Its average temperature is 1099 K (826 C), its atmosphere mainly consists of hydrogen, helium and it has 128 moons.
MEB428.2 is a medium gas giant (32415 km radius) which orbits its star in 40236 Earth days, one day on MEB428.2 lasts 3 Earth hours. Its average temperature is 1496 K (1223 C), its atmosphere mainly consists of hydrogen and it has 174 moons.
MEB428.3 is a huge terrestrial planet (14524 km radius) which orbits its star in 73918 Earth days, one day on MEB428.3 lasts 4 Earth hours. Its average temperature is 1131 K (858 C), its atmosphere mainly consists of hydrogen and it has 50 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MEB428.1MEB428.2MEB428.3
distance from star:146*106 km1595*106 km2393*106 km
radius:17476 km32415 km14524 km
mass:42698*1021 kg272475*1021 kg24510*1021 kg
surface gravity: 9.33 m/s2
0.95 Earths
17.3 m/s2
1.76 Earths
7.75 m/s2
0.79 Earths
escape velocity:18.05 km/s33.49 km/s15.00 km/s
year: 8944 MEB428.1 days
1118 Earth days
321888 MEB428.2 days
40236 Earth days
443508 MEB428.3 days
73918 Earth days
day:3 hrs3 hrs4 hrs
axial tilt:
temperature:1099 K
826 C
1496 K
1223 C
1131 K
858 C
atmosphere:87% H2
13% He
0% other
96% H2
4% He
0% other
93% H2
7% He
0% other
moons:12817450
rings:8106

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