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RBB858: red dwarf star with 3 planets

  RBB858.1   RBB858.2  
RBB858.3
 

Solar system 'RBB858' comprises the star 'RBB858' and the retinue of celestial objects gravitationally bound to it: 3 planets and their 213 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'RBB858', a red dwarf class star that contains about 99.53% of the system's known mass and dominates it gravitationally. RBB858 is located more than 3311 lightyears from the center of the galaxy.

This solar system comprises 3 planets

RBB858.1 is a very large terrestrial planet (10655 km radius) which orbits its star in 677 Earth days, one day on RBB858.1 lasts 5 Earth hours. Its average temperature is 75 K (-198 C), its atmosphere mainly consists of nitrogen, oxygen and it has 35 moons.
RBB858.2 is a large gas giant (67949 km radius) which orbits its star in 8523 Earth days, one day on RBB858.2 lasts 3 Earth hours. Its average temperature is 1261 K (988 C), its atmosphere mainly consists of hydrogen, helium and it has 61 moons.
RBB858.3 is a large gas giant (51685 km radius) which orbits its star in 38769 Earth days, one day on RBB858.3 lasts 3 Earth hours. Its average temperature is 1179 K (906 C), its atmosphere mainly consists of hydrogen and it has 117 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:RBB858.1RBB858.2RBB858.3
distance from star:104*106 km567*106 km1556*106 km
radius:10655 km67949 km51685 km
mass:9677*1021 kg2509800*1021 kg1104545*1021 kg
surface gravity: 5.68 m/s2
0.58 Earths
36.2 m/s2
3.70 Earths
27.5 m/s2
2.81 Earths
escape velocity:11.01 km/s70.21 km/s53.41 km/s
year: 3249 RBB858.1 days
677 Earth days
68184 RBB858.2 days
8523 Earth days
310152 RBB858.3 days
38769 Earth days
day:5 hrs3 hrs3 hrs
axial tilt:203°40°
temperature:75 K
-198 C
1261 K
988 C
1179 K
906 C
atmosphere:7% H2
1% He
43% N2
49% O2
0% other
83% H2
17% He
0% other
95% H2
5% He
0% other
moons:3561117
rings:0020

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