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MDC321: red dwarf star with 9 planets

  MDC321.1   MDC321.2   MDC321.3   MDC321.4   MDC321.5  
MDC321.6
 
MDC321.7
 
MDC321.8
 
MDC321.9
 

Solar system 'MDC321' comprises the star 'MDC321' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 440 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MDC321', a red dwarf class star that contains about 99.12% of the system's known mass and dominates it gravitationally. MDC321 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 9 planets

MDC321.1 is a small terrestrial planet (3596 km radius) which orbits its star in 4 Earth days, one day on MDC321.1 lasts 28 Earth hours. Its average temperature is 1978 K (1705 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MDC321.2 is a medium terrestrial planet (5066 km radius) which orbits its star in 64 Earth days, one day on MDC321.2 lasts 18 Earth hours. Its average temperature is 1596 K (1323 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 0 moons.
MDC321.3 is a very large terrestrial planet (9640 km radius) which orbits its star in 648 Earth days, one day on MDC321.3 lasts 11 Earth hours. Its average temperature is 220 K (-53 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 23 moons.
MDC321.4 is a medium terrestrial planet (5179 km radius) which orbits its star in 1192 Earth days, one day on MDC321.4 lasts 18 Earth hours. Its average temperature is 130 K (-143 C), its atmosphere mainly consists of nitrogen, oxygen and it has 14 moons.
MDC321.5 is a very small terrestrial planet (2367 km radius) which orbits its star in 2190 Earth days, one day on MDC321.5 lasts 53 Earth hours. Its average temperature is 72 K (-201 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MDC321.6 is a large gas giant (73487 km radius) which orbits its star in 46496 Earth days, one day on MDC321.6 lasts 9 Earth hours. Its average temperature is 1370 K (1097 C), its atmosphere mainly consists of hydrogen and it has 79 moons.
MDC321.7 is a large gas giant (68721 km radius) which orbits its star in 196391 Earth days, one day on MDC321.7 lasts 9 Earth hours. Its average temperature is 1557 K (1284 C), its atmosphere mainly consists of hydrogen and it has 147 moons.
MDC321.8 is a large terrestrial planet (8287 km radius) which orbits its star in 360794 Earth days, one day on MDC321.8 lasts 12 Earth hours. Its average temperature is 1121 K (848 C), its atmosphere mainly consists of hydrogen, helium and it has 105 moons.
MDC321.9 is a medium gas giant (39311 km radius) which orbits its star in 662820 Earth days, one day on MDC321.9 lasts 9 Earth hours. Its average temperature is 1682 K (1409 C), its atmosphere mainly consists of hydrogen and it has 72 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MDC321.1MDC321.2MDC321.3MDC321.4MDC321.5
distance from star:3*106 km21*106 km101*106 km152*106 km229*106 km
radius:3596 km5066 km9640 km5179 km2367 km
mass:372*1021 kg1040*1021 kg7166*1021 kg1111*1021 kg106*1021 kg
surface gravity: 1.92 m/s2
0.19 Earths
2.70 m/s2
0.27 Earths
5.14 m/s2
0.52 Earths
2.76 m/s2
0.28 Earths
1.26 m/s2
0.12 Earths
escape velocity:3.716 km/s5.234 km/s9.961 km/s5.351 km/s2.444 km/s
year: 3 MDC321.1 days
4 Earth days
85 MDC321.2 days
64 Earth days
1413 MDC321.3 days
648 Earth days
1589 MDC321.4 days
1192 Earth days
991 MDC321.5 days
2190 Earth days
day:28 hrs18 hrs11 hrs18 hrs53 hrs
axial tilt:11°26°22°11°171°
temperature:1978 K
1705 C
1596 K
1323 C
220 K
-53 C
130 K
-143 C
72 K
-201 C
atmosphere:4% H2
1% He
66% N2
29% O2
0% other
13% H2
3% He
48% N2
35% O2
1% CO2
0% other
22% H2
3% He
29% N2
45% O2
1% CO2
0% other
9% H2
2% He
58% N2
30% O2
1% CO2
0% other
73% N2
26% O2
1% CO2
0% other
moons:0023140
rings:00000

planet:MDC321.6MDC321.7MDC321.8MDC321.9
distance from star:1757*106 km4591*106 km6887*106 km10331*106 km
radius:73487 km68721 km8287 km39311 km
mass:3174837*1021 kg2596321*1021 kg4552*1021 kg485995*1021 kg
surface gravity: 39.2 m/s2
4.00 Earths
36.6 m/s2
3.74 Earths
4.42 m/s2
0.45 Earths
20.9 m/s2
2.13 Earths
escape velocity:75.94 km/s71.01 km/s8.562 km/s40.62 km/s
year: 123989 MDC321.6 days
46496 Earth days
523709 MDC321.7 days
196391 Earth days
721588 MDC321.8 days
360794 Earth days
1767520 MDC321.9 days
662820 Earth days
day:9 hrs9 hrs12 hrs9 hrs
axial tilt:
temperature:1370 K
1097 C
1557 K
1284 C
1121 K
848 C
1682 K
1409 C
atmosphere:96% H2
4% He
0% other
91% H2
9% He
0% other
87% H2
13% He
0% other
93% H2
7% He
0% other
moons:7914710572
rings:52125

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