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MDJ309: red dwarf star with 9 planets

  MDJ309.1   MDJ309.2   MDJ309.3  
MDJ309.4
 
MDJ309.5
  MDJ309.6  
MDJ309.7
  MDJ309.8   MDJ309.9  

Solar system 'MDJ309' comprises the star 'MDJ309' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 689 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MDJ309', a red dwarf class star that contains about 99.45% of the system's known mass and dominates it gravitationally. MDJ309 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 9 planets

MDJ309.1 is a large terrestrial planet (8260 km radius) which orbits its star in 0 Earth days, one day on MDJ309.1 lasts 12 Earth hours. Its average temperature is 1087 K (814 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
MDJ309.2 is a very small terrestrial planet (2054 km radius) which orbits its star in 5 Earth days, one day on MDJ309.2 lasts 68 Earth hours. Its average temperature is 1787 K (1514 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MDJ309.3 is a large gas giant (64406 km radius) which orbits its star in 89412 Earth days, one day on MDJ309.3 lasts 9 Earth hours. Its average temperature is 1148 K (875 C), its atmosphere mainly consists of hydrogen, helium and it has 155 moons.
MDJ309.4 is a medium gas giant (26210 km radius) which orbits its star in 164261 Earth days, one day on MDJ309.4 lasts 9 Earth hours. Its average temperature is 1476 K (1203 C), its atmosphere mainly consists of hydrogen, helium and it has 131 moons.
MDJ309.5 is a large terrestrial planet (7929 km radius) which orbits its star in 301768 Earth days, one day on MDJ309.5 lasts 12 Earth hours. Its average temperature is 1745 K (1472 C), its atmosphere mainly consists of hydrogen and it has 131 moons.
MDJ309.6 is a large gas giant (74366 km radius) which orbits its star in 554384 Earth days, one day on MDJ309.6 lasts 9 Earth hours. Its average temperature is 1571 K (1298 C), its atmosphere mainly consists of hydrogen, helium and it has 128 moons.
MDJ309.7 is a medium gas giant (27612 km radius) which orbits its star in 1018468 Earth days, one day on MDJ309.7 lasts 9 Earth hours. Its average temperature is 1544 K (1271 C), its atmosphere mainly consists of hydrogen and it has 96 moons.
MDJ309.8 is a small terrestrial planet (4240 km radius) which orbits its star in 1338811 Earth days, one day on MDJ309.8 lasts 22 Earth hours. Its average temperature is 1592 K (1319 C), its atmosphere mainly consists of and it has 23 moons.
MDJ309.9 is a small terrestrial planetoid (1744 km radius) which orbits its star in 1759913 Earth days, one day on MDJ309.9 lasts 92 Earth hours. Its average temperature is 1294 K (1021 C), its atmosphere mainly consists of and it has 25 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MDJ309.1MDJ309.2MDJ309.3MDJ309.4MDJ309.5
distance from star:0*106 km4*106 km2717*106 km4076*106 km6114*106 km
radius:8260 km2054 km64406 km26210 km7929 km
mass:4508*1021 kg69*1021 kg2137317*1021 kg144042*1021 kg3987*1021 kg
surface gravity: 4.40 m/s2
0.44 Earths
1.09 m/s2
0.11 Earths
34.3 m/s2
3.50 Earths
13.9 m/s2
1.42 Earths
4.23 m/s2
0.43 Earths
escape velocity:8.535 km/s2.117 km/s66.55 km/s27.08 km/s8.192 km/s
year: 0 MDJ309.1 days
0 Earth days
1 MDJ309.2 days
5 Earth days
238432 MDJ309.3 days
89412 Earth days
438029 MDJ309.4 days
164261 Earth days
603536 MDJ309.5 days
301768 Earth days
day:12 hrs68 hrs9 hrs9 hrs12 hrs
axial tilt:45°157°
temperature:1087 K
814 C
1787 K
1514 C
1148 K
875 C
1476 K
1203 C
1745 K
1472 C
atmosphere:87% N2
10% O2
3% CO2
0% other
2% H2
1% He
64% N2
31% O2
2% CO2
0% other
88% H2
12% He
0% other
82% H2
18% He
0% other
95% H2
5% He
0% other
moons:00155131131
rings:0001216

planet:MDJ309.6MDJ309.7MDJ309.8MDJ309.9
distance from star:9171*106 km13756*106 km16508*106 km19810*106 km
radius:74366 km27612 km4240 km1744 km
mass:3290131*1021 kg168416*1021 kg609*1021 kg42*1021 kg
surface gravity: 39.7 m/s2
4.05 Earths
14.7 m/s2
1.50 Earths
2.26 m/s2
0.23 Earths
0.92 m/s2
0.09 Earths
escape velocity:76.84 km/s28.53 km/s4.378 km/s1.792 km/s
year: 1478357 MDJ309.6 days
554384 Earth days
2715914 MDJ309.7 days
1018468 Earth days
1460521 MDJ309.8 days
1338811 Earth days
459107 MDJ309.9 days
1759913 Earth days
day:9 hrs9 hrs22 hrs92 hrs
axial tilt:23°
temperature:1571 K
1298 C
1544 K
1271 C
1592 K
1319 C
1294 K
1021 C
atmosphere:88% H2
12% He
0% other
95% H2
5% He
0% other
100% other100% other
moons:128962325
rings:0900

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