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LJH458: red dwarf star with 4 planets

  LJH458.1  
LJH458.2
  LJH458.3  
LJH458.4
 

Solar system 'LJH458' comprises the star 'LJH458' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 357 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LJH458', a red dwarf class star that contains about 99.56% of the system's known mass and dominates it gravitationally. LJH458 is located more than 2008 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LJH458.1 is a medium terrestrial planet (6443 km radius) which orbits its star in 2 Earth days, one day on LJH458.1 lasts 10 Earth hours. Its average temperature is 1612 K (1339 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LJH458.2 is a large gas giant (48034 km radius) which orbits its star in 42945 Earth days, one day on LJH458.2 lasts 4 Earth hours. Its average temperature is 1718 K (1445 C), its atmosphere mainly consists of hydrogen, helium and it has 118 moons.
LJH458.3 is a medium terrestrial planet (5927 km radius) which orbits its star in 78895 Earth days, one day on LJH458.3 lasts 11 Earth hours. Its average temperature is 1907 K (1634 C), its atmosphere mainly consists of hydrogen and it has 127 moons.
LJH458.4 is a large gas giant (78748 km radius) which orbits its star in 293430 Earth days, one day on LJH458.4 lasts 4 Earth hours. Its average temperature is 1173 K (900 C), its atmosphere mainly consists of hydrogen, helium and it has 112 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LJH458.1LJH458.2LJH458.3LJH458.4
distance from star:2*106 km1666*106 km2499*106 km6001*106 km
radius:6443 km48034 km5927 km78748 km
mass:2139*1021 kg886617*1021 kg1665*1021 kg3906686*1021 kg
surface gravity: 3.43 m/s2
0.35 Earths
25.6 m/s2
2.61 Earths
3.16 m/s2
0.32 Earths
42.0 m/s2
4.29 Earths
escape velocity:6.656 km/s49.63 km/s6.123 km/s81.37 km/s
year: 4 LJH458.1 days
2 Earth days
257670 LJH458.2 days
42945 Earth days
172134 LJH458.3 days
78895 Earth days
1760580 LJH458.4 days
293430 Earth days
day:10 hrs4 hrs11 hrs4 hrs
axial tilt:24°43°16°
temperature:1612 K
1339 C
1718 K
1445 C
1907 K
1634 C
1173 K
900 C
atmosphere:59% N2
41% O2
0% other
87% H2
13% He
0% other
93% H2
7% He
0% other
89% H2
11% He
0% other
moons:0118127112
rings:0406

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