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MJG549: red dwarf star with 13 planets

  MJG549.1   MJG549.2   MJG549.3   MJG549.4   MJG549.5  
MJG549.6
  MJG549.7   MJG549.8   MJG549.9  
MJG549.10
 
MJG549.11
  MJG549.12  
MJG549.13
 

Solar system 'MJG549' comprises the star 'MJG549' and the retinue of celestial objects gravitationally bound to it: 13 planets and their 813 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MJG549', a red dwarf class star that contains about 99.17% of the system's known mass and dominates it gravitationally. MJG549 is located more than 1437 lightyears from the center of the galaxy.

This solar system comprises 13 planets

MJG549.1 is a large terrestrial planet (7814 km radius) which orbits its star in 260 Earth days, one day on MJG549.1 lasts 17 Earth hours. Its average temperature is 245 K (-28 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MJG549.2 is a large terrestrial planet (8342 km radius) which orbits its star in 544 Earth days, one day on MJG549.2 lasts 16 Earth hours. Its average temperature is 183 K (-90 C), its atmosphere mainly consists of nitrogen, oxygen and it has 26 moons.
MJG549.3 is a large terrestrial planet (8824 km radius) which orbits its star in 1322 Earth days, one day on MJG549.3 lasts 16 Earth hours. Its average temperature is 84 K (-189 C), its atmosphere mainly consists of nitrogen, oxygen and it has 41 moons.
MJG549.4 is a small terrestrial planet (4475 km radius) which orbits its star in 2430 Earth days, one day on MJG549.4 lasts 25 Earth hours. Its average temperature is 49 K (-224 C), its atmosphere mainly consists of nitrogen, oxygen and it has 15 moons.
MJG549.5 is a very small terrestrial planet (2767 km radius) which orbits its star in 4464 Earth days, one day on MJG549.5 lasts 45 Earth hours. Its average temperature is 27 K (-246 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
MJG549.6 is a large gas giant (69700 km radius) which orbits its star in 46231 Earth days, one day on MJG549.6 lasts 13 Earth hours. Its average temperature is 1286 K (1013 C), its atmosphere mainly consists of hydrogen, helium and it has 131 moons.
MJG549.7 is a large gas giant (62433 km radius) which orbits its star in 187032 Earth days, one day on MJG549.7 lasts 13 Earth hours. Its average temperature is 1440 K (1167 C), its atmosphere mainly consists of hydrogen and it has 170 moons.
MJG549.8 is a huge terrestrial planet (14590 km radius) which orbits its star in 343600 Earth days, one day on MJG549.8 lasts 14 Earth hours. Its average temperature is 1005 K (732 C), its atmosphere mainly consists of hydrogen, helium and it has 93 moons.
MJG549.9 is a large gas giant (47055 km radius) which orbits its star in 631235 Earth days, one day on MJG549.9 lasts 13 Earth hours. Its average temperature is 1025 K (752 C), its atmosphere mainly consists of hydrogen, helium and it has 51 moons.
MJG549.10 is a medium gas giant (33671 km radius) which orbits its star in 1159652 Earth days, one day on MJG549.10 lasts 13 Earth hours. Its average temperature is 1678 K (1405 C), its atmosphere mainly consists of hydrogen and it has 56 moons.
MJG549.11 is a large terrestrial planet (8883 km radius) which orbits its star in 2130418 Earth days, one day on MJG549.11 lasts 16 Earth hours. Its average temperature is 1885 K (1612 C), its atmosphere mainly consists of hydrogen and it has 137 moons.
MJG549.12 is a large terrestrial planet (8501 km radius) which orbits its star in 2800507 Earth days, one day on MJG549.12 lasts 16 Earth hours. Its average temperature is 1301 K (1028 C), its atmosphere mainly consists of and it has 51 moons.
MJG549.13 is a large terrestrial planet (8744 km radius) which orbits its star in 3681362 Earth days, one day on MJG549.13 lasts 16 Earth hours. Its average temperature is 1771 K (1498 C), its atmosphere mainly consists of and it has 37 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MJG549.1MJG549.2MJG549.3MJG549.4MJG549.5
distance from star:55*106 km90*106 km163*106 km245*106 km368*106 km
radius:7814 km8342 km8824 km4475 km2767 km
mass:3816*1021 kg4644*1021 kg5496*1021 kg716*1021 kg169*1021 kg
surface gravity: 4.17 m/s2
0.42 Earths
4.45 m/s2
0.45 Earths
4.71 m/s2
0.48 Earths
2.38 m/s2
0.24 Earths
1.47 m/s2
0.15 Earths
escape velocity:8.073 km/s8.620 km/s9.118 km/s4.621 km/s2.855 km/s
year: 367 MJG549.1 days
260 Earth days
816 MJG549.2 days
544 Earth days
1983 MJG549.3 days
1322 Earth days
2332 MJG549.4 days
2430 Earth days
2380 MJG549.5 days
4464 Earth days
day:17 hrs16 hrs16 hrs25 hrs45 hrs
axial tilt:69°21°20°324°
temperature:245 K
-28 C
183 K
-90 C
84 K
-189 C
49 K
-224 C
27 K
-246 C
atmosphere:76% N2
20% O2
4% CO2
0% other
4% H2
1% He
73% N2
22% O2
0% other
84% N2
11% O2
5% CO2
0% other
72% N2
28% O2
0% other
65% N2
33% O2
2% CO2
0% other
moons:02641155
rings:00000

planet:MJG549.6MJG549.7MJG549.8MJG549.9MJG549.10
distance from star:1750*106 km4444*106 km6666*106 km10000*106 km15000*106 km
radius:69700 km62433 km14590 km47055 km33671 km
mass:2708870*1021 kg1946850*1021 kg24845*1021 kg833503*1021 kg305392*1021 kg
surface gravity: 37.2 m/s2
3.80 Earths
33.3 m/s2
3.40 Earths
7.78 m/s2
0.79 Earths
25.1 m/s2
2.56 Earths
17.9 m/s2
1.83 Earths
escape velocity:72.02 km/s64.51 km/s15.07 km/s48.62 km/s34.79 km/s
year: 85349 MJG549.6 days
46231 Earth days
345289 MJG549.7 days
187032 Earth days
589028 MJG549.8 days
343600 Earth days
1165356 MJG549.9 days
631235 Earth days
2140896 MJG549.10 days
1159652 Earth days
day:13 hrs13 hrs14 hrs13 hrs13 hrs
axial tilt:
temperature:1286 K
1013 C
1440 K
1167 C
1005 K
732 C
1025 K
752 C
1678 K
1405 C
atmosphere:76% H2
24% He
0% other
90% H2
10% He
0% other
78% H2
22% He
0% other
84% H2
16% He
0% other
95% H2
5% He
0% other
moons:131170935156
rings:130007

planet:MJG549.11MJG549.12MJG549.13
distance from star:22500*106 km27001*106 km32401*106 km
radius:8883 km8501 km8744 km
mass:5607*1021 kg4914*1021 kg5348*1021 kg
surface gravity: 4.74 m/s2
0.48 Earths
4.53 m/s2
0.46 Earths
4.66 m/s2
0.47 Earths
escape velocity:9.179 km/s8.784 km/s9.035 km/s
year: 3195627 MJG549.11 days
2130418 Earth days
4200760 MJG549.12 days
2800507 Earth days
5522043 MJG549.13 days
3681362 Earth days
day:16 hrs16 hrs16 hrs
axial tilt:19°29°
temperature:1885 K
1612 C
1301 K
1028 C
1771 K
1498 C
atmosphere:96% H2
4% He
0% other
100% other100% other
moons:1375137
rings:606

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