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MBH657: red dwarf star with 9 planets

  MBH657.1   MBH657.2   MBH657.3  
MBH657.4
  MBH657.5  
MBH657.6
  MBH657.7   MBH657.8  
MBH657.9
 

Solar system 'MBH657' comprises the star 'MBH657' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 395 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MBH657', a red dwarf class star that contains about 99.61% of the system's known mass and dominates it gravitationally. MBH657 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 9 planets

MBH657.1 is a large terrestrial planet (8711 km radius) which orbits its star in 13 Earth days, one day on MBH657.1 lasts 12 Earth hours. Its average temperature is 1611 K (1338 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
MBH657.2 is a large terrestrial planet (8760 km radius) which orbits its star in 297 Earth days, one day on MBH657.2 lasts 12 Earth hours. Its average temperature is 99 K (-174 C), its atmosphere mainly consists of nitrogen, oxygen and it has 15 moons.
MBH657.3 is a medium terrestrial planet (5175 km radius) which orbits its star in 620 Earth days, one day on MBH657.3 lasts 18 Earth hours. Its average temperature is 56 K (-217 C), its atmosphere mainly consists of nitrogen, oxygen and it has 7 moons.
MBH657.4 is a very large terrestrial planet (10748 km radius) which orbits its star in 1844 Earth days, one day on MBH657.4 lasts 11 Earth hours. Its average temperature is 17 K (-256 C), its atmosphere mainly consists of nitrogen, oxygen and it has 9 moons.
MBH657.5 is a very small terrestrial planet (2672 km radius) which orbits its star in 3388 Earth days, one day on MBH657.5 lasts 44 Earth hours. Its average temperature is 9 K (-264 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
MBH657.6 is a medium terrestrial planet (6689 km radius) which orbits its star in 6225 Earth days, one day on MBH657.6 lasts 14 Earth hours. Its average temperature is 5 K (-268 C), its atmosphere mainly consists of nitrogen, oxygen and it has 48 moons.
MBH657.7 is a medium gas giant (29879 km radius) which orbits its star in 26857 Earth days, one day on MBH657.7 lasts 9 Earth hours. Its average temperature is 1221 K (948 C), its atmosphere mainly consists of hydrogen, helium and it has 72 moons.
MBH657.8 is a medium gas giant (35976 km radius) which orbits its star in 60370 Earth days, one day on MBH657.8 lasts 9 Earth hours. Its average temperature is 1279 K (1006 C), its atmosphere mainly consists of hydrogen and it has 153 moons.
MBH657.9 is a small gas giant (18559 km radius) which orbits its star in 110908 Earth days, one day on MBH657.9 lasts 9 Earth hours. Its average temperature is 1879 K (1606 C), its atmosphere mainly consists of hydrogen, helium and it has 86 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MBH657.1MBH657.2MBH657.3MBH657.4MBH657.5
distance from star:7*106 km60*106 km98*106 km204*106 km306*106 km
radius:8711 km8760 km5175 km10748 km2672 km
mass:5288*1021 kg5377*1021 kg1108*1021 kg9932*1021 kg152*1021 kg
surface gravity: 4.65 m/s2
0.47 Earths
4.67 m/s2
0.47 Earths
2.76 m/s2
0.28 Earths
5.73 m/s2
0.58 Earths
1.42 m/s2
0.14 Earths
escape velocity:9.001 km/s9.051 km/s5.346 km/s11.10 km/s2.755 km/s
year: 26 MBH657.1 days
13 Earth days
594 MBH657.2 days
297 Earth days
826 MBH657.3 days
620 Earth days
4023 MBH657.4 days
1844 Earth days
1848 MBH657.5 days
3388 Earth days
day:12 hrs12 hrs18 hrs11 hrs44 hrs
axial tilt:195°127°26°23°
temperature:1611 K
1338 C
99 K
-174 C
56 K
-217 C
17 K
-256 C
9 K
-264 C
atmosphere:2% H2
1% He
73% N2
23% O2
1% CO2
0% other
63% N2
37% O2
0% other
3% H2
1% He
62% N2
33% O2
1% CO2
0% other
80% N2
16% O2
4% CO2
0% other
67% N2
33% O2
0% other
moons:315792
rings:00040

planet:MBH657.6MBH657.7MBH657.8MBH657.9
distance from star:459*106 km1218*106 km2091*106 km3137*106 km
radius:6689 km29879 km35976 km18559 km
mass:2394*1021 kg213396*1021 kg372502*1021 kg51139*1021 kg
surface gravity: 3.57 m/s2
0.36 Earths
15.9 m/s2
1.62 Earths
19.2 m/s2
1.96 Earths
9.90 m/s2
1.01 Earths
escape velocity:6.911 km/s30.87 km/s37.17 km/s19.17 km/s
year: 10671 MBH657.6 days
6225 Earth days
71618 MBH657.7 days
26857 Earth days
160986 MBH657.8 days
60370 Earth days
295754 MBH657.9 days
110908 Earth days
day:14 hrs9 hrs9 hrs9 hrs
axial tilt:23°61°
temperature:5 K
-268 C
1221 K
948 C
1279 K
1006 C
1879 K
1606 C
atmosphere:7% H2
2% He
62% N2
28% O2
1% CO2
0% other
83% H2
17% He
0% other
90% H2
10% He
0% other
82% H2
18% He
0% other
moons:487215386
rings:3001

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