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MJB177: red dwarf star with 2 planets


Solar system 'MJB177' comprises the star 'MJB177' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 123 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MJB177', a red dwarf class star that contains about 99.98% of the system's known mass and dominates it gravitationally. MJB177 is located more than 3978 lightyears from the center of the galaxy.

This solar system comprises 2 planets

MJB177.1 is a medium terrestrial planet (6924 km radius) which orbits its star in 42 Earth days, one day on MJB177.1 lasts 7 Earth hours. Its average temperature is 1817 K (1544 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
MJB177.2 is a medium gas giant (23002 km radius) which orbits its star in 20993 Earth days, one day on MJB177.2 lasts 2 Earth hours. Its average temperature is 1143 K (870 C), its atmosphere mainly consists of hydrogen, helium and it has 122 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:16*106 km1034*106 km
radius:6924 km23002 km
mass:2655*1021 kg97361*1021 kg
surface gravity: 3.69 m/s2
0.37 Earths
12.2 m/s2
1.24 Earths
escape velocity:7.154 km/s23.76 km/s
year: 144 MJB177.1 days
42 Earth days
251916 MJB177.2 days
20993 Earth days
day:7 hrs2 hrs
axial tilt:14°62°
temperature:1817 K
1544 C
1143 K
870 C
atmosphere:63% N2
37% O2
0% other
80% H2
20% He
0% other

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