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MGB974: red dwarf star with 9 planets

  MGB974.1   MGB974.2   MGB974.3   MGB974.4  
MGB974.5
 
MGB974.6
 
MGB974.7
 
MGB974.8
  MGB974.9  

Solar system 'MGB974' comprises the star 'MGB974' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 654 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MGB974', a red dwarf class star that contains about 98.96% of the system's known mass and dominates it gravitationally. MGB974 is located more than 2065 lightyears from the center of the galaxy.

This solar system comprises 9 planets

MGB974.1 is a small terrestrial planet (3258 km radius) which orbits its star in 91 Earth days, one day on MGB974.1 lasts 32 Earth hours. Its average temperature is 508 K (235 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MGB974.2 is a large terrestrial planet (7217 km radius) which orbits its star in 168 Earth days, one day on MGB974.2 lasts 13 Earth hours. Its average temperature is 451 K (178 C), its atmosphere mainly consists of nitrogen, oxygen and it has 12 moons.
MGB974.3 is a medium terrestrial planet (6375 km radius) which orbits its star in 497 Earth days, one day on MGB974.3 lasts 15 Earth hours. Its average temperature is 159 K (-114 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 15 moons.
MGB974.4 is a medium gas giant (37487 km radius) which orbits its star in 26527 Earth days, one day on MGB974.4 lasts 9 Earth hours. Its average temperature is 1221 K (948 C), its atmosphere mainly consists of hydrogen, helium and it has 122 moons.
MGB974.5 is a medium gas giant (20975 km radius) which orbits its star in 48734 Earth days, one day on MGB974.5 lasts 9 Earth hours. Its average temperature is 1779 K (1506 C), its atmosphere mainly consists of hydrogen and it has 87 moons.
MGB974.6 is a medium gas giant (36917 km radius) which orbits its star in 129796 Earth days, one day on MGB974.6 lasts 9 Earth hours. Its average temperature is 1056 K (783 C), its atmosphere mainly consists of hydrogen and it has 170 moons.
MGB974.7 is a large gas giant (70943 km radius) which orbits its star in 277611 Earth days, one day on MGB974.7 lasts 9 Earth hours. Its average temperature is 1294 K (1021 C), its atmosphere mainly consists of hydrogen, helium and it has 77 moons.
MGB974.8 is a huge terrestrial planet (12396 km radius) which orbits its star in 510005 Earth days, one day on MGB974.8 lasts 10 Earth hours. Its average temperature is 1125 K (852 C), its atmosphere mainly consists of hydrogen, helium and it has 118 moons.
MGB974.9 is a medium terrestrial planet (6334 km radius) which orbits its star in 670419 Earth days, one day on MGB974.9 lasts 15 Earth hours. Its average temperature is 1533 K (1260 C), its atmosphere mainly consists of and it has 53 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MGB974.1MGB974.2MGB974.3MGB974.4MGB974.5
distance from star:27*106 km41*106 km85*106 km1208*106 km1813*106 km
radius:3258 km7217 km6375 km37487 km20975 km
mass:276*1021 kg3007*1021 kg2072*1021 kg421436*1021 kg73823*1021 kg
surface gravity: 1.73 m/s2
0.17 Earths
3.85 m/s2
0.39 Earths
3.40 m/s2
0.34 Earths
20.0 m/s2
2.04 Earths
11.1 m/s2
1.13 Earths
escape velocity:3.362 km/s7.457 km/s6.586 km/s38.73 km/s21.67 km/s
year: 68 MGB974.1 days
91 Earth days
310 MGB974.2 days
168 Earth days
795 MGB974.3 days
497 Earth days
70738 MGB974.4 days
26527 Earth days
129957 MGB974.5 days
48734 Earth days
day:32 hrs13 hrs15 hrs9 hrs9 hrs
axial tilt:290°15°
temperature:508 K
235 C
451 K
178 C
159 K
-114 C
1221 K
948 C
1779 K
1506 C
atmosphere:80% N2
16% O2
4% CO2
0% other
4% H2
1% He
46% N2
49% O2
0% other
25% H2
3% He
28% N2
43% O2
1% CO2
0% other
85% H2
15% He
0% other
100% H2
0% other
moons:0121512287
rings:000022

planet:MGB974.6MGB974.7MGB974.8MGB974.9
distance from star:3483*106 km5783*106 km8675*106 km10410*106 km
radius:36917 km70943 km12396 km6334 km
mass:402503*1021 kg2856397*1021 kg15238*1021 kg2032*1021 kg
surface gravity: 19.7 m/s2
2.01 Earths
37.8 m/s2
3.86 Earths
6.61 m/s2
0.67 Earths
3.38 m/s2
0.34 Earths
escape velocity:38.14 km/s73.31 km/s12.80 km/s6.543 km/s
year: 346122 MGB974.6 days
129796 Earth days
740296 MGB974.7 days
277611 Earth days
1224012 MGB974.8 days
510005 Earth days
1072670 MGB974.9 days
670419 Earth days
day:9 hrs9 hrs10 hrs15 hrs
axial tilt:258°
temperature:1056 K
783 C
1294 K
1021 C
1125 K
852 C
1533 K
1260 C
atmosphere:100% H2
0% other
87% H2
13% He
0% other
84% H2
16% He
0% other
100% other
moons:1707711853
rings:1720200

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