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MBH631: red dwarf star with 15 planets

  MBH631.1  
MBH631.2
  MBH631.3   MBH631.4   MBH631.5   MBH631.6   MBH631.7   MBH631.8  
MBH631.9
  MBH631.10  
MBH631.11
 
MBH631.12
 
MBH631.13
  MBH631.14  
MBH631.15
 

Solar system 'MBH631' comprises the star 'MBH631' and the retinue of celestial objects gravitationally bound to it: 15 planets and their 825 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MBH631', a red dwarf class star that contains about 99.12% of the system's known mass and dominates it gravitationally. MBH631 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 15 planets

MBH631.1 is a large terrestrial planet (7331 km radius) which orbits its star in 271 Earth days, one day on MBH631.1 lasts 19 Earth hours. Its average temperature is 178 K (-95 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
MBH631.2 is a large terrestrial planet (8475 km radius) which orbits its star in 839 Earth days, one day on MBH631.2 lasts 18 Earth hours. Its average temperature is 79 K (-194 C), its atmosphere mainly consists of nitrogen, oxygen and it has 18 moons.
MBH631.3 is a very large terrestrial planet (9118 km radius) which orbits its star in 1711 Earth days, one day on MBH631.3 lasts 18 Earth hours. Its average temperature is 46 K (-227 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 31 moons.
MBH631.4 is a large terrestrial planet (8571 km radius) which orbits its star in 3144 Earth days, one day on MBH631.4 lasts 18 Earth hours. Its average temperature is 27 K (-246 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 36 moons.
MBH631.5 is a small terrestrial planet (4770 km radius) which orbits its star in 5776 Earth days, one day on MBH631.5 lasts 25 Earth hours. Its average temperature is 15 K (-258 C), its atmosphere mainly consists of nitrogen, oxygen and it has 25 moons.
MBH631.6 is a very large terrestrial planet (11211 km radius) which orbits its star in 10611 Earth days, one day on MBH631.6 lasts 16 Earth hours. Its average temperature is 8 K (-265 C), its atmosphere mainly consists of nitrogen and it has 26 moons.
MBH631.7 is a very large terrestrial planet (10075 km radius) which orbits its star in 19494 Earth days, one day on MBH631.7 lasts 17 Earth hours. Its average temperature is 4 K (-269 C), its atmosphere mainly consists of nitrogen, oxygen and it has 24 moons.
MBH631.8 is a very large terrestrial planet (10234 km radius) which orbits its star in 35812 Earth days, one day on MBH631.8 lasts 17 Earth hours. Its average temperature is 2 K (-271 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 48 moons.
MBH631.9 is a very small terrestrial planet (2286 km radius) which orbits its star in 65792 Earth days, one day on MBH631.9 lasts 63 Earth hours. Its average temperature is 1 K (-272 C), its atmosphere mainly consists of nitrogen, oxygen and it has 16 moons.
MBH631.10 is a large terrestrial planet (8596 km radius) which orbits its star in 120868 Earth days, one day on MBH631.10 lasts 18 Earth hours. Its average temperature is 0 K (-273 C), its atmosphere mainly consists of nitrogen, oxygen and it has 45 moons.
MBH631.11 is a large gas giant (44981 km radius) which orbits its star in 222049 Earth days, one day on MBH631.11 lasts 15 Earth hours. Its average temperature is 1385 K (1112 C), its atmosphere mainly consists of hydrogen, helium and it has 116 moons.
MBH631.12 is a large gas giant (58790 km radius) which orbits its star in 422534 Earth days, one day on MBH631.12 lasts 15 Earth hours. Its average temperature is 1531 K (1258 C), its atmosphere mainly consists of hydrogen and it has 179 moons.
MBH631.13 is a large gas giant (66044 km radius) which orbits its star in 776244 Earth days, one day on MBH631.13 lasts 15 Earth hours. Its average temperature is 1093 K (820 C), its atmosphere mainly consists of hydrogen and it has 107 moons.
MBH631.14 is a small gas giant (18396 km radius) which orbits its star in 1426052 Earth days, one day on MBH631.14 lasts 15 Earth hours. Its average temperature is 1352 K (1079 C), its atmosphere mainly consists of hydrogen, helium and it has 116 moons.
MBH631.15 is a large terrestrial planet (8436 km radius) which orbits its star in 1874594 Earth days, one day on MBH631.15 lasts 18 Earth hours. Its average temperature is 1003 K (730 C), its atmosphere mainly consists of and it has 34 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MBH631.1MBH631.2MBH631.3MBH631.4MBH631.5
distance from star:56*106 km120*106 km194*106 km291*106 km437*106 km
radius:7331 km8475 km9118 km8571 km4770 km
mass:3151*1021 kg4869*1021 kg6064*1021 kg5037*1021 kg868*1021 kg
surface gravity: 3.91 m/s2
0.39 Earths
4.52 m/s2
0.46 Earths
4.86 m/s2
0.49 Earths
4.57 m/s2
0.46 Earths
2.54 m/s2
0.25 Earths
escape velocity:7.574 km/s8.757 km/s9.422 km/s8.857 km/s4.928 km/s
year: 342 MBH631.1 days
271 Earth days
1118 MBH631.2 days
839 Earth days
2281 MBH631.3 days
1711 Earth days
4192 MBH631.4 days
3144 Earth days
5544 MBH631.5 days
5776 Earth days
day:19 hrs18 hrs18 hrs18 hrs25 hrs
axial tilt:16°19°15°
temperature:178 K
-95 C
79 K
-194 C
46 K
-227 C
27 K
-246 C
15 K
-258 C
atmosphere:1% H2
1% He
80% N2
16% O2
2% CO2
0% other
81% N2
16% O2
3% CO2
0% other
14% H2
3% He
35% N2
48% O2
0% other
30% H2
4% He
20% N2
44% O2
2% CO2
0% other
3% H2
2% He
66% N2
27% O2
2% CO2
0% other
moons:418313625
rings:01000

planet:MBH631.6MBH631.7MBH631.8MBH631.9MBH631.10
distance from star:656*106 km984*106 km1476*106 km2214*106 km3322*106 km
radius:11211 km10075 km10234 km2286 km8596 km
mass:11272*1021 kg8181*1021 kg8574*1021 kg95*1021 kg5081*1021 kg
surface gravity: 5.98 m/s2
0.61 Earths
5.37 m/s2
0.54 Earths
5.46 m/s2
0.55 Earths
1.21 m/s2
0.12 Earths
4.58 m/s2
0.46 Earths
escape velocity:11.58 km/s10.41 km/s10.57 km/s2.355 km/s8.882 km/s
year: 15916 MBH631.6 days
10611 Earth days
27520 MBH631.7 days
19494 Earth days
50558 MBH631.8 days
35812 Earth days
25063 MBH631.9 days
65792 Earth days
161157 MBH631.10 days
120868 Earth days
day:16 hrs17 hrs17 hrs63 hrs18 hrs
axial tilt:26°30°13°
temperature:8 K
-265 C
4 K
-269 C
2 K
-271 C
1 K
-272 C
0 K
-273 C
atmosphere:82% N2
9% O2
9% CO2
0% other
71% N2
28% O2
1% CO2
0% other
19% H2
3% He
40% N2
38% O2
0% other
83% N2
13% O2
4% CO2
0% other
6% H2
2% He
46% N2
46% O2
0% other
moons:2624481645
rings:00050

planet:MBH631.11MBH631.12MBH631.13MBH631.14MBH631.15
distance from star:4983*106 km7652*106 km11478*106 km17217*106 km20661*106 km
radius:44981 km58790 km66044 km18396 km8436 km
mass:728076*1021 kg1625550*1021 kg2304571*1021 kg49803*1021 kg4802*1021 kg
surface gravity: 24.0 m/s2
2.45 Earths
31.3 m/s2
3.20 Earths
35.2 m/s2
3.59 Earths
9.82 m/s2
1.00 Earths
4.50 m/s2
0.46 Earths
escape velocity:46.48 km/s60.75 km/s68.24 km/s19.01 km/s8.716 km/s
year: 355278 MBH631.11 days
222049 Earth days
676054 MBH631.12 days
422534 Earth days
1241990 MBH631.13 days
776244 Earth days
2281683 MBH631.14 days
1426052 Earth days
2499458 MBH631.15 days
1874594 Earth days
day:15 hrs15 hrs15 hrs15 hrs18 hrs
axial tilt:
temperature:1385 K
1112 C
1531 K
1258 C
1093 K
820 C
1352 K
1079 C
1003 K
730 C
atmosphere:79% H2
21% He
0% other
99% H2
1% He
0% other
91% H2
9% He
0% other
80% H2
20% He
0% other
100% other
moons:11617910711634
rings:5521011

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