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MDJ381: red dwarf star with 8 planets

  MDJ381.1   MDJ381.2  
MDJ381.3
 
MDJ381.4
 
MDJ381.5
  MDJ381.6  
MDJ381.7
  MDJ381.8  

Solar system 'MDJ381' comprises the star 'MDJ381' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 560 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MDJ381', a red dwarf class star that contains about 98.44% of the system's known mass and dominates it gravitationally. MDJ381 is located more than 2819 lightyears from the center of the galaxy.

MDJ381.1, the first planet in this system, may feature life forms. Its average temperature is 287K (14C) and it's atmosphere contains 5% of oxygen. One year on MDJ381.1 lasts 149 days, one day lasts 13 hours. It's diameter is 13960 km, 1 times the diameter of the Earth.

MDJ381.2, the second planet in this system, may feature life forms. Its average temperature is 255K (-18C) and it's atmosphere contains 8% of oxygen. One year on MDJ381.2 lasts 273 days, one day lasts 20 hours. It's diameter is 8892 km, 0.6 times the diameter of the Earth.

This solar system comprises 8 planets

MDJ381.1 is a medium terrestrial planet (6980 km radius) which orbits its star in 149 Earth days, one day on MDJ381.1 lasts 13 Earth hours. Its average temperature is 287 K (14 C), its atmosphere mainly consists of nitrogen and it has 4 moons.
MDJ381.2 is a small terrestrial planet (4446 km radius) which orbits its star in 273 Earth days, one day on MDJ381.2 lasts 20 Earth hours. Its average temperature is 255 K (-18 C), its atmosphere mainly consists of nitrogen and it has 1 moons.
MDJ381.3 is a medium gas giant (39719 km radius) which orbits its star in 40804 Earth days, one day on MDJ381.3 lasts 8 Earth hours. Its average temperature is 1775 K (1502 C), its atmosphere mainly consists of hydrogen and it has 88 moons.
MDJ381.4 is a large gas giant (75718 km radius) which orbits its star in 88073 Earth days, one day on MDJ381.4 lasts 8 Earth hours. Its average temperature is 1200 K (927 C), its atmosphere mainly consists of hydrogen, helium and it has 133 moons.
MDJ381.5 is a large gas giant (42595 km radius) which orbits its star in 161802 Earth days, one day on MDJ381.5 lasts 8 Earth hours. Its average temperature is 1319 K (1046 C), its atmosphere mainly consists of hydrogen, helium and it has 48 moons.
MDJ381.6 is a medium gas giant (38553 km radius) which orbits its star in 297249 Earth days, one day on MDJ381.6 lasts 8 Earth hours. Its average temperature is 1833 K (1560 C), its atmosphere mainly consists of hydrogen, helium and it has 138 moons.
MDJ381.7 is a large gas giant (51828 km radius) which orbits its star in 546081 Earth days, one day on MDJ381.7 lasts 8 Earth hours. Its average temperature is 1631 K (1358 C), its atmosphere mainly consists of hydrogen and it has 146 moons.
MDJ381.8 is a very small terrestrial planet (2463 km radius) which orbits its star in 717843 Earth days, one day on MDJ381.8 lasts 49 Earth hours. Its average temperature is 1041 K (768 C), its atmosphere mainly consists of and it has 2 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MDJ381.1MDJ381.2MDJ381.3MDJ381.4MDJ381.5
distance from star:38*106 km57*106 km1610*106 km2690*106 km4035*106 km
radius:6980 km4446 km39719 km75718 km42595 km
mass:2720*1021 kg703*1021 kg501285*1021 kg3472860*1021 kg618252*1021 kg
surface gravity: 3.72 m/s2
0.38 Earths
2.37 m/s2
0.24 Earths
21.2 m/s2
2.16 Earths
40.4 m/s2
4.13 Earths
22.7 m/s2
2.32 Earths
escape velocity:7.212 km/s4.594 km/s41.04 km/s78.24 km/s44.01 km/s
year: 275 MDJ381.1 days
149 Earth days
327 MDJ381.2 days
273 Earth days
122412 MDJ381.3 days
40804 Earth days
264219 MDJ381.4 days
88073 Earth days
485406 MDJ381.5 days
161802 Earth days
day:13 hrs20 hrs8 hrs8 hrs8 hrs
axial tilt:57°33°
temperature:287 K
14 C
255 K
-18 C
1775 K
1502 C
1200 K
927 C
1319 K
1046 C
atmosphere:87% N2
5% O2
8% CO2
0% other
88% N2
8% O2
4% CO2
0% other
97% H2
3% He
0% other
89% H2
11% He
0% other
81% H2
19% He
0% other
moons:418813348
rings:0023911

planet:MDJ381.6MDJ381.7MDJ381.8
distance from star:6053*106 km9079*106 km10895*106 km
radius:38553 km51828 km2463 km
mass:458421*1021 kg1113738*1021 kg119*1021 kg
surface gravity: 20.5 m/s2
2.09 Earths
27.6 m/s2
2.82 Earths
1.30 m/s2
0.13 Earths
escape velocity:39.84 km/s53.55 km/s2.539 km/s
year: 891747 MDJ381.6 days
297249 Earth days
1638243 MDJ381.7 days
546081 Earth days
351596 MDJ381.8 days
717843 Earth days
day:8 hrs8 hrs49 hrs
axial tilt:14°30°
temperature:1833 K
1560 C
1631 K
1358 C
1041 K
768 C
atmosphere:86% H2
14% He
0% other
99% H2
1% He
0% other
100% other
moons:1381462
rings:090

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