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MBH712: red giant star with 4 planets

  MBH712.1   MBH712.2  
MBH712.3
 
MBH712.4
 

Solar system 'MBH712' is a dual star system that comprises the stars 'MBH712.A' and 'MBH712.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 233 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MBH712.A' and 'MBH712.B' that dominate it gravitationally. 'MBH712.A' is a red giant class star that contains about 69% of the system's known mass, 'MBH712.B' is a red giant class star that contains about 30% of the system's known mass.

System 'MBH712' is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 4 planets

MBH712.1 is a medium terrestrial planet (6328 km radius) which orbits its star in 210 Earth days, one day on MBH712.1 lasts 10 Earth hours. Its average temperature is 1351 K (1078 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
MBH712.2 is a small terrestrial planet (4305 km radius) which orbits its star in 385 Earth days, one day on MBH712.2 lasts 17 Earth hours. Its average temperature is 1201 K (928 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
MBH712.3 is a large gas giant (75255 km radius) which orbits its star in 17255 Earth days, one day on MBH712.3 lasts 4 Earth hours. Its average temperature is 1387 K (1114 C), its atmosphere mainly consists of hydrogen, helium and it has 91 moons.
MBH712.4 is a large gas giant (75656 km radius) which orbits its star in 158810 Earth days, one day on MBH712.4 lasts 4 Earth hours. Its average temperature is 1505 K (1232 C), its atmosphere mainly consists of hydrogen, helium and it has 134 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MBH712.1MBH712.2MBH712.3MBH712.4
distance from star:48*106 km72*106 km907*106 km3985*106 km
radius:6328 km4305 km75255 km75656 km
mass:2027*1021 kg638*1021 kg3409542*1021 kg3464336*1021 kg
surface gravity: 3.37 m/s2
0.34 Earths
2.29 m/s2
0.23 Earths
40.1 m/s2
4.10 Earths
40.3 m/s2
4.12 Earths
escape velocity:6.538 km/s4.447 km/s77.76 km/s78.18 km/s
year: 504 MBH712.1 days
210 Earth days
543 MBH712.2 days
385 Earth days
103530 MBH712.3 days
17255 Earth days
952860 MBH712.4 days
158810 Earth days
day:10 hrs17 hrs4 hrs4 hrs
axial tilt:23°
temperature:1351 K
1078 C
1201 K
928 C
1387 K
1114 C
1505 K
1232 C
atmosphere:5% H2
1% He
55% N2
39% O2
0% other
9% H2
3% He
49% N2
38% O2
1% CO2
0% other
83% H2
17% He
0% other
87% H2
13% He
0% other
moons:4491134
rings:00722

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