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MDF421: red dwarf star with 12 planets

  MDF421.1  
MDF421.2
  MDF421.3   MDF421.4  
MDF421.5
 
MDF421.6
 
MDF421.7
 
MDF421.8
  MDF421.9  
MDF421.10
 
MDF421.11
  MDF421.12  

Solar system 'MDF421' comprises the star 'MDF421' and the retinue of celestial objects gravitationally bound to it: 12 planets and their 848 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MDF421', a red dwarf class star that contains about 98.86% of the system's known mass and dominates it gravitationally. MDF421 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 12 planets

MDF421.1 is a small terrestrial planet (3253 km radius) which orbits its star in 12 Earth days, one day on MDF421.1 lasts 35 Earth hours. Its average temperature is 1231 K (958 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
MDF421.2 is a very large terrestrial planet (9077 km radius) which orbits its star in 98 Earth days, one day on MDF421.2 lasts 15 Earth hours. Its average temperature is 1302 K (1029 C), its atmosphere mainly consists of nitrogen, oxygen and it has 6 moons.
MDF421.3 is a very large terrestrial planet (9154 km radius) which orbits its star in 645 Earth days, one day on MDF421.3 lasts 14 Earth hours. Its average temperature is 159 K (-114 C), its atmosphere mainly consists of nitrogen, oxygen and it has 23 moons.
MDF421.4 is a small terrestrial planet (4231 km radius) which orbits its star in 1186 Earth days, one day on MDF421.4 lasts 25 Earth hours. Its average temperature is 94 K (-179 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
MDF421.5 is a large gas giant (49441 km radius) which orbits its star in 20447 Earth days, one day on MDF421.5 lasts 12 Earth hours. Its average temperature is 1325 K (1052 C), its atmosphere mainly consists of hydrogen, helium and it has 138 moons.
MDF421.6 is a large gas giant (54435 km radius) which orbits its star in 73914 Earth days, one day on MDF421.6 lasts 12 Earth hours. Its average temperature is 1070 K (797 C), its atmosphere mainly consists of hydrogen and it has 104 moons.
MDF421.7 is a large gas giant (44334 km radius) which orbits its star in 157909 Earth days, one day on MDF421.7 lasts 12 Earth hours. Its average temperature is 1251 K (978 C), its atmosphere mainly consists of hydrogen, helium and it has 100 moons.
MDF421.8 is a medium gas giant (21887 km radius) which orbits its star in 290098 Earth days, one day on MDF421.8 lasts 12 Earth hours. Its average temperature is 1639 K (1366 C), its atmosphere mainly consists of hydrogen, helium and it has 37 moons.
MDF421.9 is a large gas giant (45567 km radius) which orbits its star in 532945 Earth days, one day on MDF421.9 lasts 12 Earth hours. Its average temperature is 1012 K (739 C), its atmosphere mainly consists of hydrogen and it has 155 moons.
MDF421.10 is a large gas giant (60391 km radius) which orbits its star in 979082 Earth days, one day on MDF421.10 lasts 12 Earth hours. Its average temperature is 1473 K (1200 C), its atmosphere mainly consists of hydrogen and it has 109 moons.
MDF421.11 is a medium gas giant (31912 km radius) which orbits its star in 1798689 Earth days, one day on MDF421.11 lasts 12 Earth hours. Its average temperature is 1611 K (1338 C), its atmosphere mainly consists of hydrogen, helium and it has 110 moons.
MDF421.12 is a very small terrestrial planet (2365 km radius) which orbits its star in 2364439 Earth days, one day on MDF421.12 lasts 57 Earth hours. Its average temperature is 1367 K (1094 C), its atmosphere mainly consists of and it has 64 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MDF421.1MDF421.2MDF421.3MDF421.4MDF421.5
distance from star:7*106 km29*106 km101*106 km152*106 km1016*106 km
radius:3253 km9077 km9154 km4231 km49441 km
mass:275*1021 kg5982*1021 kg6136*1021 kg605*1021 kg966833*1021 kg
surface gravity: 1.73 m/s2
0.17 Earths
4.84 m/s2
0.49 Earths
4.88 m/s2
0.49 Earths
2.25 m/s2
0.23 Earths
26.3 m/s2
2.68 Earths
escape velocity:3.359 km/s9.379 km/s9.459 km/s4.368 km/s51.09 km/s
year: 8 MDF421.1 days
12 Earth days
156 MDF421.2 days
98 Earth days
1105 MDF421.3 days
645 Earth days
1138 MDF421.4 days
1186 Earth days
40894 MDF421.5 days
20447 Earth days
day:35 hrs15 hrs14 hrs25 hrs12 hrs
axial tilt:145°25°21°
temperature:1231 K
958 C
1302 K
1029 C
159 K
-114 C
94 K
-179 C
1325 K
1052 C
atmosphere:84% N2
7% O2
9% CO2
0% other
2% H2
1% He
52% N2
45% O2
0% other
1% H2
1% He
77% N2
21% O2
0% other
9% H2
2% He
48% N2
40% O2
1% CO2
0% other
83% H2
17% He
0% other
moons:06232138
rings:060012

planet:MDF421.6MDF421.7MDF421.8MDF421.9MDF421.10
distance from star:2393*106 km3970*106 km5955*106 km8933*106 km13399*106 km
radius:54435 km44334 km21887 km45567 km60391 km
mass:1290400*1021 kg697109*1021 kg83878*1021 kg756904*1021 kg1762003*1021 kg
surface gravity: 29.0 m/s2
2.96 Earths
23.6 m/s2
2.41 Earths
11.6 m/s2
1.18 Earths
24.3 m/s2
2.48 Earths
32.2 m/s2
3.29 Earths
escape velocity:56.25 km/s45.81 km/s22.61 km/s47.08 km/s62.40 km/s
year: 147828 MDF421.6 days
73914 Earth days
315818 MDF421.7 days
157909 Earth days
580196 MDF421.8 days
290098 Earth days
1065890 MDF421.9 days
532945 Earth days
1958164 MDF421.10 days
979082 Earth days
day:12 hrs12 hrs12 hrs12 hrs12 hrs
axial tilt:22°
temperature:1070 K
797 C
1251 K
978 C
1639 K
1366 C
1012 K
739 C
1473 K
1200 C
atmosphere:93% H2
7% He
0% other
79% H2
21% He
0% other
88% H2
12% He
0% other
94% H2
6% He
0% other
97% H2
3% He
0% other
moons:10410037155109
rings:9211107

planet:MDF421.11MDF421.12
distance from star:20099*106 km24119*106 km
radius:31912 km2365 km
mass:259987*1021 kg105*1021 kg
surface gravity: 17.0 m/s2
1.73 Earths
1.25 m/s2
0.12 Earths
escape velocity:32.97 km/s2.434 km/s
year: 3597378 MDF421.11 days
1798689 Earth days
995553 MDF421.12 days
2364439 Earth days
day:12 hrs57 hrs
axial tilt:
temperature:1611 K
1338 C
1367 K
1094 C
atmosphere:83% H2
17% He
0% other
100% other
moons:11064
rings:20

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