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MBH663: red giant star with 4 planets

  MBH663.1   MBH663.2  
MBH663.3
 
MBH663.4
 

Solar system 'MBH663' is a dual star system that comprises the stars 'MBH663.A' and 'MBH663.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 258 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MBH663.A' and 'MBH663.B' that dominate it gravitationally. 'MBH663.A' is a red giant class star that contains about 78% of the system's known mass, 'MBH663.B' is a red giant class star that contains about 21% of the system's known mass.

System 'MBH663' is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 4 planets

MBH663.1 is a medium terrestrial planet (5904 km radius) which orbits its star in 14 Earth days, one day on MBH663.1 lasts 11 Earth hours. Its average temperature is 1411 K (1138 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
MBH663.2 is a very large terrestrial planet (11120 km radius) which orbits its star in 631 Earth days, one day on MBH663.2 lasts 6 Earth hours. Its average temperature is 1171 K (898 C), its atmosphere mainly consists of nitrogen, oxygen and it has 30 moons.
MBH663.3 is a medium gas giant (34164 km radius) which orbits its star in 23017 Earth days, one day on MBH663.3 lasts 4 Earth hours. Its average temperature is 1953 K (1680 C), its atmosphere mainly consists of hydrogen, helium and it has 125 moons.
MBH663.4 is a large gas giant (79073 km radius) which orbits its star in 140978 Earth days, one day on MBH663.4 lasts 4 Earth hours. Its average temperature is 1600 K (1327 C), its atmosphere mainly consists of hydrogen, helium and it has 103 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MBH663.1MBH663.2MBH663.3MBH663.4
distance from star:8*106 km100*106 km1099*106 km3681*106 km
radius:5904 km11120 km34164 km79073 km
mass:1646*1021 kg11000*1021 kg319003*1021 kg3955256*1021 kg
surface gravity: 3.15 m/s2
0.32 Earths
5.93 m/s2
0.60 Earths
18.2 m/s2
1.86 Earths
42.2 m/s2
4.31 Earths
escape velocity:6.100 km/s11.49 km/s35.30 km/s81.71 km/s
year: 30 MBH663.1 days
14 Earth days
2524 MBH663.2 days
631 Earth days
138102 MBH663.3 days
23017 Earth days
845868 MBH663.4 days
140978 Earth days
day:11 hrs6 hrs4 hrs4 hrs
axial tilt:192°18°
temperature:1411 K
1138 C
1171 K
898 C
1953 K
1680 C
1600 K
1327 C
atmosphere:84% N2
10% O2
6% CO2
0% other
1% He
70% N2
26% O2
3% CO2
0% other
89% H2
11% He
0% other
79% H2
21% He
0% other
moons:030125103
rings:00320

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