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MBH731: red dwarf star with 2 planets

  MBH731.1  
MBH731.2
 

Solar system 'MBH731' comprises the star 'MBH731' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 101 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MBH731', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. MBH731 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 2 planets

MBH731.1 is a very large terrestrial planet (11227 km radius) which orbits its star in 497 Earth days, one day on MBH731.1 lasts 3 Earth hours. Its average temperature is 112 K (-161 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
MBH731.2 is a huge terrestrial planet (13180 km radius) which orbits its star in 8572 Earth days, one day on MBH731.2 lasts 3 Earth hours. Its average temperature is 1924 K (1651 C), its atmosphere mainly consists of hydrogen, helium and it has 82 moons.
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Planetary Orbits

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Planetary Statistics

planet:MBH731.1MBH731.2
distance from star:85*106 km569*106 km
radius:11227 km13180 km
mass:11320*1021 kg18316*1021 kg
surface gravity: 5.99 m/s2
0.61 Earths
7.03 m/s2
0.71 Earths
escape velocity:11.60 km/s13.61 km/s
year: 3976 MBH731.1 days
497 Earth days
68576 MBH731.2 days
8572 Earth days
day:3 hrs3 hrs
axial tilt:13°53°
temperature:112 K
-161 C
1924 K
1651 C
atmosphere:4% H2
1% He
53% N2
41% O2
1% CO2
0% other
84% H2
16% He
0% other
moons:1982
rings:013

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