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MDJ390: red dwarf star with 9 planets

  MDJ390.1   MDJ390.2   MDJ390.3  
MDJ390.4
  MDJ390.5   MDJ390.6  
MDJ390.7
 
MDJ390.8
  MDJ390.9  

Solar system 'MDJ390' comprises the star 'MDJ390' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 316 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MDJ390', a red dwarf class star that contains about 99.84% of the system's known mass and dominates it gravitationally. MDJ390 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 9 planets

MDJ390.1 is a large terrestrial planet (7928 km radius) which orbits its star in 71 Earth days, one day on MDJ390.1 lasts 12 Earth hours. Its average temperature is 1044 K (771 C), its atmosphere mainly consists of nitrogen and it has 1 moons.
MDJ390.2 is a small terrestrial planet (4792 km radius) which orbits its star in 319 Earth days, one day on MDJ390.2 lasts 19 Earth hours. Its average temperature is 566 K (293 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 2 moons.
MDJ390.3 is a very large terrestrial planet (10475 km radius) which orbits its star in 586 Earth days, one day on MDJ390.3 lasts 11 Earth hours. Its average temperature is 377 K (104 C), its atmosphere mainly consists of nitrogen, oxygen and it has 45 moons.
MDJ390.4 is a very small terrestrial planet (2508 km radius) which orbits its star in 1076 Earth days, one day on MDJ390.4 lasts 48 Earth hours. Its average temperature is 223 K (-50 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
MDJ390.5 is a large terrestrial planet (8293 km radius) which orbits its star in 1978 Earth days, one day on MDJ390.5 lasts 12 Earth hours. Its average temperature is 124 K (-149 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 16 moons.
MDJ390.6 is a large terrestrial planet (8197 km radius) which orbits its star in 3634 Earth days, one day on MDJ390.6 lasts 12 Earth hours. Its average temperature is 66 K (-207 C), its atmosphere mainly consists of nitrogen, oxygen and it has 16 moons.
MDJ390.7 is a medium gas giant (25920 km radius) which orbits its star in 19691 Earth days, one day on MDJ390.7 lasts 9 Earth hours. Its average temperature is 1015 K (742 C), its atmosphere mainly consists of hydrogen, helium and it has 117 moons.
MDJ390.8 is a large gas giant (57142 km radius) which orbits its star in 69017 Earth days, one day on MDJ390.8 lasts 9 Earth hours. Its average temperature is 1448 K (1175 C), its atmosphere mainly consists of hydrogen, helium and it has 95 moons.
MDJ390.9 is a large terrestrial planet (8705 km radius) which orbits its star in 90725 Earth days, one day on MDJ390.9 lasts 12 Earth hours. Its average temperature is 1971 K (1698 C), its atmosphere mainly consists of and it has 23 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MDJ390.1MDJ390.2MDJ390.3MDJ390.4MDJ390.5
distance from star:23*106 km63*106 km95*106 km142*106 km214*106 km
radius:7928 km4792 km10475 km2508 km8293 km
mass:3986*1021 kg880*1021 kg9195*1021 kg126*1021 kg4562*1021 kg
surface gravity: 4.23 m/s2
0.43 Earths
2.55 m/s2
0.26 Earths
5.59 m/s2
0.57 Earths
1.33 m/s2
0.13 Earths
4.42 m/s2
0.45 Earths
escape velocity:8.192 km/s4.951 km/s10.82 km/s2.589 km/s8.569 km/s
year: 142 MDJ390.1 days
71 Earth days
402 MDJ390.2 days
319 Earth days
1278 MDJ390.3 days
586 Earth days
538 MDJ390.4 days
1076 Earth days
3956 MDJ390.5 days
1978 Earth days
day:12 hrs19 hrs11 hrs48 hrs12 hrs
axial tilt:30°29°352°13°
temperature:1044 K
771 C
566 K
293 C
377 K
104 C
223 K
-50 C
124 K
-149 C
atmosphere:89% N2
10% O2
1% CO2
0% other
15% H2
4% He
37% N2
42% O2
2% CO2
0% other
83% N2
11% O2
6% CO2
0% other
3% H2
2% He
59% N2
36% O2
0% other
13% H2
3% He
44% N2
38% O2
2% CO2
0% other
moons:1245116
rings:00050

planet:MDJ390.6MDJ390.7MDJ390.8MDJ390.9
distance from star:321*106 km991*106 km2286*106 km2743*106 km
radius:8197 km25920 km57142 km8705 km
mass:4406*1021 kg139314*1021 kg1492644*1021 kg5277*1021 kg
surface gravity: 4.37 m/s2
0.44 Earths
13.8 m/s2
1.41 Earths
30.5 m/s2
3.11 Earths
4.64 m/s2
0.47 Earths
escape velocity:8.470 km/s26.78 km/s59.04 km/s8.995 km/s
year: 7268 MDJ390.6 days
3634 Earth days
52509 MDJ390.7 days
19691 Earth days
184045 MDJ390.8 days
69017 Earth days
181450 MDJ390.9 days
90725 Earth days
day:12 hrs9 hrs9 hrs12 hrs
axial tilt:19°
temperature:66 K
-207 C
1015 K
742 C
1448 K
1175 C
1971 K
1698 C
atmosphere:8% H2
2% He
58% N2
31% O2
1% CO2
0% other
80% H2
20% He
0% other
79% H2
21% He
0% other
100% other
moons:161179523
rings:016230

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