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MDC420: red dwarf star with 7 planets

  MDC420.1   MDC420.2  
MDC420.3
  MDC420.4  
MDC420.5
 
MDC420.6
  MDC420.7  

Solar system 'MDC420' comprises the star 'MDC420' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 634 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MDC420', a red dwarf class star that contains about 99.09% of the system's known mass and dominates it gravitationally. MDC420 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 7 planets

MDC420.1 is a very large terrestrial planet (11547 km radius) which orbits its star in 178 Earth days, one day on MDC420.1 lasts 8 Earth hours. Its average temperature is 411 K (138 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 17 moons.
MDC420.2 is a very large terrestrial planet (11112 km radius) which orbits its star in 327 Earth days, one day on MDC420.2 lasts 9 Earth hours. Its average temperature is 366 K (93 C), its atmosphere mainly consists of nitrogen, oxygen and it has 22 moons.
MDC420.3 is a large gas giant (76065 km radius) which orbits its star in 25933 Earth days, one day on MDC420.3 lasts 7 Earth hours. Its average temperature is 1046 K (773 C), its atmosphere mainly consists of hydrogen and it has 130 moons.
MDC420.4 is a medium gas giant (32782 km radius) which orbits its star in 69348 Earth days, one day on MDC420.4 lasts 7 Earth hours. Its average temperature is 1109 K (836 C), its atmosphere mainly consists of hydrogen and it has 170 moons.
MDC420.5 is a large gas giant (59471 km radius) which orbits its star in 127401 Earth days, one day on MDC420.5 lasts 7 Earth hours. Its average temperature is 1966 K (1693 C), its atmosphere mainly consists of hydrogen, helium and it has 136 moons.
MDC420.6 is a large gas giant (50079 km radius) which orbits its star in 234050 Earth days, one day on MDC420.6 lasts 7 Earth hours. Its average temperature is 1271 K (998 C), its atmosphere mainly consists of hydrogen, helium and it has 110 moons.
MDC420.7 is a large terrestrial planet (8150 km radius) which orbits its star in 307667 Earth days, one day on MDC420.7 lasts 10 Earth hours. Its average temperature is 1379 K (1106 C), its atmosphere mainly consists of and it has 49 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MDC420.1MDC420.2MDC420.3MDC420.4MDC420.5
distance from star:43*106 km64*106 km1190*106 km2293*106 km3440*106 km
radius:11547 km11112 km76065 km32782 km59471 km
mass:12316*1021 kg10976*1021 kg3520826*1021 kg281835*1021 kg1682696*1021 kg
surface gravity: 6.16 m/s2
0.62 Earths
5.93 m/s2
0.60 Earths
40.6 m/s2
4.15 Earths
17.5 m/s2
1.78 Earths
31.7 m/s2
3.24 Earths
escape velocity:11.93 km/s11.48 km/s78.60 km/s33.87 km/s61.45 km/s
year: 534 MDC420.1 days
178 Earth days
872 MDC420.2 days
327 Earth days
88913 MDC420.3 days
25933 Earth days
237764 MDC420.4 days
69348 Earth days
436803 MDC420.5 days
127401 Earth days
day:8 hrs9 hrs7 hrs7 hrs7 hrs
axial tilt:21°28°88°83°
temperature:411 K
138 C
366 K
93 C
1046 K
773 C
1109 K
836 C
1966 K
1693 C
atmosphere:51% N2
1% O2
48% CO2
0% other
5% H2
1% He
65% N2
28% O2
1% CO2
0% other
97% H2
3% He
0% other
97% H2
3% He
0% other
86% H2
14% He
0% other
moons:1722130170136
rings:007020

planet:MDC420.6MDC420.7
distance from star:5161*106 km6193*106 km
radius:50079 km8150 km
mass:1004747*1021 kg4330*1021 kg
surface gravity: 26.7 m/s2
2.73 Earths
4.35 m/s2
0.44 Earths
escape velocity:51.75 km/s8.421 km/s
year: 802457 MDC420.6 days
234050 Earth days
738400 MDC420.7 days
307667 Earth days
day:7 hrs10 hrs
axial tilt:12°
temperature:1271 K
998 C
1379 K
1106 C
atmosphere:86% H2
14% He
0% other
100% other
moons:11049
rings:150

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