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MBH686: red dwarf star with 9 planets

  MBH686.1   MBH686.2   MBH686.3   MBH686.4   MBH686.5  
MBH686.6
 
MBH686.7
 
MBH686.8
  MBH686.9  

Solar system 'MBH686' comprises the star 'MBH686' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 319 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MBH686', a red dwarf class star that contains about 99.85% of the system's known mass and dominates it gravitationally. MBH686 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 9 planets

MBH686.1 is a very small terrestrial planet (2226 km radius) which orbits its star in 57 Earth days, one day on MBH686.1 lasts 59 Earth hours. Its average temperature is 1380 K (1107 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MBH686.2 is a very large terrestrial planet (9797 km radius) which orbits its star in 747 Earth days, one day on MBH686.2 lasts 11 Earth hours. Its average temperature is 181 K (-92 C), its atmosphere mainly consists of nitrogen, oxygen and it has 48 moons.
MBH686.3 is a large terrestrial planet (7752 km radius) which orbits its star in 1372 Earth days, one day on MBH686.3 lasts 13 Earth hours. Its average temperature is 121 K (-152 C), its atmosphere mainly consists of nitrogen and it has 34 moons.
MBH686.4 is a small terrestrial planet (3541 km radius) which orbits its star in 2522 Earth days, one day on MBH686.4 lasts 28 Earth hours. Its average temperature is 71 K (-202 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 2 moons.
MBH686.5 is a large terrestrial planet (8073 km radius) which orbits its star in 4633 Earth days, one day on MBH686.5 lasts 12 Earth hours. Its average temperature is 39 K (-234 C), its atmosphere mainly consists of nitrogen and it has 17 moons.
MBH686.6 is a large terrestrial planet (7522 km radius) which orbits its star in 8512 Earth days, one day on MBH686.6 lasts 13 Earth hours. Its average temperature is 21 K (-252 C), its atmosphere mainly consists of nitrogen, oxygen and it has 41 moons.
MBH686.7 is a large gas giant (56949 km radius) which orbits its star in 110061 Earth days, one day on MBH686.7 lasts 9 Earth hours. Its average temperature is 1417 K (1144 C), its atmosphere mainly consists of hydrogen and it has 133 moons.
MBH686.8 is a medium terrestrial planet (5728 km radius) which orbits its star in 144679 Earth days, one day on MBH686.8 lasts 16 Earth hours. Its average temperature is 1900 K (1627 C), its atmosphere mainly consists of and it has 22 moons.
MBH686.9 is a large terrestrial planet (8258 km radius) which orbits its star in 190186 Earth days, one day on MBH686.9 lasts 12 Earth hours. Its average temperature is 1704 K (1431 C), its atmosphere mainly consists of and it has 22 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MBH686.1MBH686.2MBH686.3MBH686.4MBH686.5
distance from star:20*106 km111*106 km167*106 km251*106 km377*106 km
radius:2226 km9797 km7752 km3541 km8073 km
mass:88*1021 kg7522*1021 kg3726*1021 kg355*1021 kg4209*1021 kg
surface gravity: 1.18 m/s2
0.12 Earths
5.23 m/s2
0.53 Earths
4.13 m/s2
0.42 Earths
1.88 m/s2
0.19 Earths
4.31 m/s2
0.44 Earths
escape velocity:2.297 km/s10.12 km/s8.009 km/s3.658 km/s8.342 km/s
year: 23 MBH686.1 days
57 Earth days
1629 MBH686.2 days
747 Earth days
2532 MBH686.3 days
1372 Earth days
2161 MBH686.4 days
2522 Earth days
9266 MBH686.5 days
4633 Earth days
day:59 hrs11 hrs13 hrs28 hrs12 hrs
axial tilt:44°27°17°
temperature:1380 K
1107 C
181 K
-92 C
121 K
-152 C
71 K
-202 C
39 K
-234 C
atmosphere:66% N2
33% O2
1% CO2
0% other
8% H2
2% He
44% N2
45% O2
1% CO2
0% other
85% N2
5% O2
10% CO2
0% other
15% H2
3% He
39% N2
43% O2
0% other
93% N2
7% O2
0% other
moons:04834217
rings:00000

planet:MBH686.6MBH686.7MBH686.8MBH686.9
distance from star:566*106 km3121*106 km3745*106 km4494*106 km
radius:7522 km56949 km5728 km8258 km
mass:3404*1021 kg1477570*1021 kg1503*1021 kg4505*1021 kg
surface gravity: 4.01 m/s2
0.41 Earths
30.4 m/s2
3.10 Earths
3.05 m/s2
0.31 Earths
4.40 m/s2
0.44 Earths
escape velocity:7.772 km/s58.85 km/s5.918 km/s8.533 km/s
year: 15714 MBH686.6 days
8512 Earth days
293496 MBH686.7 days
110061 Earth days
217018 MBH686.8 days
144679 Earth days
380372 MBH686.9 days
190186 Earth days
day:13 hrs9 hrs16 hrs12 hrs
axial tilt:18°
temperature:21 K
-252 C
1417 K
1144 C
1900 K
1627 C
1704 K
1431 C
atmosphere:1% He
77% N2
22% O2
0% other
99% H2
1% He
0% other
100% other100% other
moons:411332222
rings:4880

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