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MDH143: yellow dwarf star with 7 planets

  MDH143.1  
MDH143.2
  MDH143.3   MDH143.4  
MDH143.5
 
MDH143.6
  MDH143.7  

Solar system 'MDH143' is a dual star system that comprises the stars 'MDH143.A' and 'MDH143.B' and the retinue of celestial objects gravitationally bound to them: 7 planets and their 501 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MDH143.A' and 'MDH143.B' that dominate it gravitationally. 'MDH143.A' is a yellow dwarf class star that contains about 69% of the system's known mass, 'MDH143.B' is a yellow dwarf class star that contains about 29% of the system's known mass.

System 'MDH143' is located more than 2065 lightyears from the center of the galaxy.

MDH143.4, the fourth planet in this system, may feature life forms. Its average temperature is 340K (67C) and it's atmosphere contains 0% of oxygen. One year on MDH143.4 lasts 1418 days, one day lasts 9 hours. It's diameter is 21796 km, 1.7 times the diameter of the Earth.

This solar system comprises 7 planets

MDH143.1 is a large terrestrial planet (8987 km radius) which orbits its star in 28 Earth days, one day on MDH143.1 lasts 10 Earth hours. Its average temperature is 1922 K (1649 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
MDH143.2 is a large terrestrial planet (7604 km radius) which orbits its star in 109 Earth days, one day on MDH143.2 lasts 11 Earth hours. Its average temperature is 1296 K (1023 C), its atmosphere mainly consists of nitrogen and it has 10 moons.
MDH143.3 is a large terrestrial planet (8745 km radius) which orbits its star in 604 Earth days, one day on MDH143.3 lasts 10 Earth hours. Its average temperature is 796 K (523 C), its atmosphere mainly consists of nitrogen, oxygen and it has 16 moons.
MDH143.4 is a very large terrestrial planet (10898 km radius) which orbits its star in 1418 Earth days, one day on MDH143.4 lasts 9 Earth hours. Its average temperature is 340 K (67 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 31 moons.
MDH143.5 is a large gas giant (62341 km radius) which orbits its star in 75859 Earth days, one day on MDH143.5 lasts 7 Earth hours. Its average temperature is 1592 K (1319 C), its atmosphere mainly consists of hydrogen, helium and it has 142 moons.
MDH143.6 is a very large terrestrial planet (11302 km radius) which orbits its star in 139363 Earth days, one day on MDH143.6 lasts 8 Earth hours. Its average temperature is 1330 K (1057 C), its atmosphere mainly consists of hydrogen and it has 161 moons.
MDH143.7 is a large gas giant (72939 km radius) which orbits its star in 256026 Earth days, one day on MDH143.7 lasts 7 Earth hours. Its average temperature is 1704 K (1431 C), its atmosphere mainly consists of hydrogen, helium and it has 136 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MDH143.1MDH143.2MDH143.3MDH143.4MDH143.5
distance from star:12*106 km31*106 km97*106 km171*106 km2435*106 km
radius:8987 km7604 km8745 km10898 km62341 km
mass:5806*1021 kg3517*1021 kg5350*1021 kg10354*1021 kg1938256*1021 kg
surface gravity: 4.79 m/s2
0.48 Earths
4.05 m/s2
0.41 Earths
4.66 m/s2
0.47 Earths
5.81 m/s2
0.59 Earths
33.2 m/s2
3.39 Earths
escape velocity:9.286 km/s7.857 km/s9.036 km/s11.26 km/s64.42 km/s
year: 67 MDH143.1 days
28 Earth days
237 MDH143.2 days
109 Earth days
1449 MDH143.3 days
604 Earth days
3781 MDH143.4 days
1418 Earth days
260088 MDH143.5 days
75859 Earth days
day:10 hrs11 hrs10 hrs9 hrs7 hrs
axial tilt:23°23°15°15°45°
temperature:1922 K
1649 C
1296 K
1023 C
796 K
523 C
340 K
67 C
1592 K
1319 C
atmosphere:1% H2
1% He
79% N2
17% O2
2% CO2
0% other
89% N2
9% O2
2% CO2
0% other
56% N2
44% O2
0% other
49% N2
51% CO2
0% other
78% H2
22% He
0% other
moons:5101631142
rings:050012

planet:MDH143.6MDH143.7
distance from star:3653*106 km5479*106 km
radius:11302 km72939 km
mass:11549*1021 kg3104340*1021 kg
surface gravity: 6.03 m/s2
0.61 Earths
38.9 m/s2
3.97 Earths
escape velocity:11.67 km/s75.37 km/s
year: 418089 MDH143.6 days
139363 Earth days
877803 MDH143.7 days
256026 Earth days
day:8 hrs7 hrs
axial tilt:89°
temperature:1330 K
1057 C
1704 K
1431 C
atmosphere:94% H2
6% He
0% other
76% H2
24% He
0% other
moons:161136
rings:80

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