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MBH643: red dwarf star with 2 planets

  MBH643.1   MBH643.2  

Solar system 'MBH643' comprises the star 'MBH643' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 18 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MBH643', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. MBH643 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 2 planets

MBH643.1 is a small terrestrial planet (3039 km radius) which orbits its star in 71 Earth days, one day on MBH643.1 lasts 29 Earth hours. Its average temperature is 391 K (118 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
MBH643.2 is a large terrestrial planet (7257 km radius) which orbits its star in 458 Earth days, one day on MBH643.2 lasts 6 Earth hours. Its average temperature is 65 K (-208 C), its atmosphere mainly consists of nitrogen, oxygen and it has 18 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:23*106 km80*106 km
radius:3039 km7257 km
mass:224*1021 kg3057*1021 kg
surface gravity: 1.61 m/s2
0.16 Earths
3.87 m/s2
0.39 Earths
escape velocity:3.136 km/s7.498 km/s
year: 58 MBH643.1 days
71 Earth days
1832 MBH643.2 days
458 Earth days
day:29 hrs6 hrs
axial tilt:14°23°
temperature:391 K
118 C
65 K
-208 C
atmosphere:87% N2
10% O2
3% CO2
0% other
5% H2
1% He
53% N2
39% O2
2% CO2
0% other

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