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MBH718: red giant star with 3 planets

 
MBH718.1
 
MBH718.2
 
MBH718.3
 

Solar system 'MBH718' is a dual star system that comprises the stars 'MBH718.A' and 'MBH718.B' and the retinue of celestial objects gravitationally bound to them: 3 planets and their 339 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MBH718.A' and 'MBH718.B' that dominate it gravitationally. 'MBH718.A' is a red giant class star that contains about 79% of the system's known mass, 'MBH718.B' is a red giant class star that contains about 20% of the system's known mass.

System 'MBH718' is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 3 planets

MBH718.1 is a large gas giant (56194 km radius) which orbits its star in 80178 Earth days, one day on MBH718.1 lasts 3 Earth hours. Its average temperature is 1178 K (905 C), its atmosphere mainly consists of hydrogen, helium and it has 129 moons.
MBH718.2 is a large gas giant (64205 km radius) which orbits its star in 147297 Earth days, one day on MBH718.2 lasts 3 Earth hours. Its average temperature is 1794 K (1521 C), its atmosphere mainly consists of hydrogen and it has 112 moons.
MBH718.3 is a large terrestrial planet (7472 km radius) which orbits its star in 270603 Earth days, one day on MBH718.3 lasts 7 Earth hours. Its average temperature is 1409 K (1136 C), its atmosphere mainly consists of hydrogen, helium and it has 98 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MBH718.1MBH718.2MBH718.3
distance from star:2526*106 km3790*106 km5685*106 km
radius:56194 km64205 km7472 km
mass:1419579*1021 kg2117368*1021 kg3337*1021 kg
surface gravity: 30.0 m/s2
3.06 Earths
34.2 m/s2
3.49 Earths
3.98 m/s2
0.40 Earths
escape velocity:58.07 km/s66.34 km/s7.721 km/s
year: 641424 MBH718.1 days
80178 Earth days
1178376 MBH718.2 days
147297 Earth days
927781 MBH718.3 days
270603 Earth days
day:3 hrs3 hrs7 hrs
axial tilt:81°
temperature:1178 K
905 C
1794 K
1521 C
1409 K
1136 C
atmosphere:80% H2
20% He
0% other
94% H2
6% He
0% other
79% H2
21% He
0% other
moons:12911298
rings:222113

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