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MDF420: red supergiant star with 13 planets

  MDF420.1   MDF420.2   MDF420.3   MDF420.4  
MDF420.5
  MDF420.6  
MDF420.7
 
MDF420.8
 
MDF420.9
 
MDF420.10
 
MDF420.11
  MDF420.12   MDF420.13  

Solar system 'MDF420' comprises the star 'MDF420' and the retinue of celestial objects gravitationally bound to it: 13 planets and their 759 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MDF420', a red supergiant class star that contains about 99.96% of the system's known mass and dominates it gravitationally. MDF420 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 13 planets

MDF420.1 is a very small terrestrial planet (2186 km radius) which orbits its star in 48 Earth days, one day on MDF420.1 lasts 65 Earth hours. Its average temperature is 1651 K (1378 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MDF420.2 is a large terrestrial planet (8526 km radius) which orbits its star in 240 Earth days, one day on MDF420.2 lasts 16 Earth hours. Its average temperature is 1574 K (1301 C), its atmosphere mainly consists of nitrogen, oxygen and it has 11 moons.
MDF420.3 is a very large terrestrial planet (11674 km radius) which orbits its star in 441 Earth days, one day on MDF420.3 lasts 14 Earth hours. Its average temperature is 1049 K (776 C), its atmosphere mainly consists of nitrogen, oxygen and it has 16 moons.
MDF420.4 is a very large terrestrial planet (11424 km radius) which orbits its star in 810 Earth days, one day on MDF420.4 lasts 14 Earth hours. Its average temperature is 1244 K (971 C), its atmosphere mainly consists of nitrogen, oxygen and it has 26 moons.
MDF420.5 is a very large terrestrial planet (11237 km radius) which orbits its star in 1946 Earth days, one day on MDF420.5 lasts 14 Earth hours. Its average temperature is 1933 K (1660 C), its atmosphere mainly consists of nitrogen, oxygen and it has 31 moons.
MDF420.6 is a small terrestrial planet (3093 km radius) which orbits its star in 3575 Earth days, one day on MDF420.6 lasts 39 Earth hours. Its average temperature is 1031 K (758 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MDF420.7 is a medium gas giant (37768 km radius) which orbits its star in 31971 Earth days, one day on MDF420.7 lasts 13 Earth hours. Its average temperature is 1020 K (747 C), its atmosphere mainly consists of hydrogen, helium and it has 119 moons.
MDF420.8 is a large gas giant (68020 km radius) which orbits its star in 96118 Earth days, one day on MDF420.8 lasts 13 Earth hours. Its average temperature is 1316 K (1043 C), its atmosphere mainly consists of hydrogen, helium and it has 57 moons.
MDF420.9 is a large terrestrial planet (7091 km radius) which orbits its star in 176580 Earth days, one day on MDF420.9 lasts 17 Earth hours. Its average temperature is 1563 K (1290 C), its atmosphere mainly consists of hydrogen, helium and it has 87 moons.
MDF420.10 is a large gas giant (77318 km radius) which orbits its star in 324399 Earth days, one day on MDF420.10 lasts 13 Earth hours. Its average temperature is 1299 K (1026 C), its atmosphere mainly consists of hydrogen, helium and it has 113 moons.
MDF420.11 is a large gas giant (72788 km radius) which orbits its star in 595959 Earth days, one day on MDF420.11 lasts 13 Earth hours. Its average temperature is 1356 K (1083 C), its atmosphere mainly consists of hydrogen and it has 164 moons.
MDF420.12 is a large gas giant (52670 km radius) which orbits its star in 1094847 Earth days, one day on MDF420.12 lasts 13 Earth hours. Its average temperature is 1019 K (746 C), its atmosphere mainly consists of hydrogen, helium and it has 100 moons.
MDF420.13 is a small terrestrial planet (3257 km radius) which orbits its star in 1439213 Earth days, one day on MDF420.13 lasts 36 Earth hours. Its average temperature is 1779 K (1506 C), its atmosphere mainly consists of and it has 35 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MDF420.1MDF420.2MDF420.3MDF420.4MDF420.5
distance from star:18*106 km52*106 km78*106 km118*106 km211*106 km
radius:2186 km8526 km11674 km11424 km11237 km
mass:83*1021 kg4958*1021 kg12727*1021 kg11927*1021 kg11351*1021 kg
surface gravity: 1.15 m/s2
0.11 Earths
4.55 m/s2
0.46 Earths
6.23 m/s2
0.63 Earths
6.09 m/s2
0.62 Earths
5.99 m/s2
0.61 Earths
escape velocity:2.251 km/s8.810 km/s12.06 km/s11.80 km/s11.61 km/s
year: 17 MDF420.1 days
48 Earth days
360 MDF420.2 days
240 Earth days
756 MDF420.3 days
441 Earth days
1388 MDF420.4 days
810 Earth days
3336 MDF420.5 days
1946 Earth days
day:65 hrs16 hrs14 hrs14 hrs14 hrs
axial tilt:25°28°29°
temperature:1651 K
1378 C
1574 K
1301 C
1049 K
776 C
1244 K
971 C
1933 K
1660 C
atmosphere:5% H2
1% He
53% N2
39% O2
2% CO2
0% other
80% N2
18% O2
2% CO2
0% other
4% H2
2% He
58% N2
34% O2
2% CO2
0% other
61% N2
37% O2
2% CO2
0% other
4% H2
1% He
60% N2
35% O2
0% other
moons:011162631
rings:00004

planet:MDF420.6MDF420.7MDF420.8MDF420.9MDF420.10
distance from star:317*106 km1368*106 km2851*106 km4277*106 km6416*106 km
radius:3093 km37768 km68020 km7091 km77318 km
mass:236*1021 kg430984*1021 kg2517676*1021 kg2852*1021 kg3697701*1021 kg
surface gravity: 1.64 m/s2
0.16 Earths
20.1 m/s2
2.05 Earths
36.3 m/s2
3.71 Earths
3.78 m/s2
0.38 Earths
41.2 m/s2
4.21 Earths
escape velocity:3.191 km/s39.02 km/s70.29 km/s7.327 km/s79.89 km/s
year: 2200 MDF420.6 days
3575 Earth days
59023 MDF420.7 days
31971 Earth days
177448 MDF420.8 days
96118 Earth days
249289 MDF420.9 days
176580 Earth days
598890 MDF420.10 days
324399 Earth days
day:39 hrs13 hrs13 hrs17 hrs13 hrs
axial tilt:
temperature:1031 K
758 C
1020 K
747 C
1316 K
1043 C
1563 K
1290 C
1299 K
1026 C
atmosphere:3% H2
2% He
57% N2
37% O2
1% CO2
0% other
82% H2
18% He
0% other
85% H2
15% He
0% other
88% H2
12% He
0% other
89% H2
11% He
0% other
moons:01195787113
rings:0441622

planet:MDF420.11MDF420.12MDF420.13
distance from star:9624*106 km14436*106 km17323*106 km
radius:72788 km52670 km3257 km
mass:3085100*1021 kg1168906*1021 kg276*1021 kg
surface gravity: 38.8 m/s2
3.96 Earths
28.1 m/s2
2.87 Earths
1.73 m/s2
0.17 Earths
escape velocity:75.21 km/s54.42 km/s3.363 km/s
year: 1100232 MDF420.11 days
595959 Earth days
2021256 MDF420.12 days
1094847 Earth days
959475 MDF420.13 days
1439213 Earth days
day:13 hrs13 hrs36 hrs
axial tilt:37°21°
temperature:1356 K
1083 C
1019 K
746 C
1779 K
1506 C
atmosphere:99% H2
1% He
0% other
86% H2
14% He
0% other
100% other
moons:16410035
rings:900

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