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LJH731: yellow dwarf star with 15 planets

  LJH731.1   LJH731.2  
LJH731.3
  LJH731.4   LJH731.5  
LJH731.6
  LJH731.7  
LJH731.8
  LJH731.9  
LJH731.10
 
LJH731.11
 
LJH731.12
 
LJH731.13
  LJH731.14   LJH731.15  

Solar system 'LJH731' comprises the star 'LJH731' and the retinue of celestial objects gravitationally bound to it: 15 planets and their 843 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LJH731', a yellow dwarf class star that contains about 99.83% of the system's known mass and dominates it gravitationally. LJH731 is located more than 2031 lightyears from the center of the galaxy.

This solar system comprises 15 planets

LJH731.1 is a very large terrestrial planet (10645 km radius) which orbits its star in 413 Earth days, one day on LJH731.1 lasts 17 Earth hours. Its average temperature is 461 K (188 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 8 moons.
LJH731.2 is a very large terrestrial planet (9710 km radius) which orbits its star in 759 Earth days, one day on LJH731.2 lasts 17 Earth hours. Its average temperature is 409 K (136 C), its atmosphere mainly consists of nitrogen and it has 17 moons.
LJH731.3 is a very large terrestrial planet (11352 km radius) which orbits its star in 2049 Earth days, one day on LJH731.3 lasts 16 Earth hours. Its average temperature is 163 K (-110 C), its atmosphere mainly consists of nitrogen, oxygen and it has 41 moons.
LJH731.4 is a large terrestrial planet (8863 km radius) which orbits its star in 3765 Earth days, one day on LJH731.4 lasts 18 Earth hours. Its average temperature is 96 K (-177 C), its atmosphere mainly consists of nitrogen, oxygen and it has 41 moons.
LJH731.5 is a large terrestrial planet (7145 km radius) which orbits its star in 6918 Earth days, one day on LJH731.5 lasts 19 Earth hours. Its average temperature is 53 K (-220 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 18 moons.
LJH731.6 is a large terrestrial planet (7796 km radius) which orbits its star in 12709 Earth days, one day on LJH731.6 lasts 19 Earth hours. Its average temperature is 28 K (-245 C), its atmosphere mainly consists of nitrogen, oxygen and it has 9 moons.
LJH731.7 is a small terrestrial planet (4278 km radius) which orbits its star in 23349 Earth days, one day on LJH731.7 lasts 28 Earth hours. Its average temperature is 14 K (-259 C), its atmosphere mainly consists of nitrogen and it has 35 moons.
LJH731.8 is a medium terrestrial planet (5468 km radius) which orbits its star in 42895 Earth days, one day on LJH731.8 lasts 23 Earth hours. Its average temperature is 7 K (-266 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
LJH731.9 is a large terrestrial planet (8558 km radius) which orbits its star in 78803 Earth days, one day on LJH731.9 lasts 18 Earth hours. Its average temperature is 3 K (-270 C), its atmosphere mainly consists of nitrogen, oxygen and it has 47 moons.
LJH731.10 is a medium gas giant (20818 km radius) which orbits its star in 144771 Earth days, one day on LJH731.10 lasts 15 Earth hours. Its average temperature is 1447 K (1174 C), its atmosphere mainly consists of hydrogen and it has 100 moons.
LJH731.11 is a large gas giant (52103 km radius) which orbits its star in 265962 Earth days, one day on LJH731.11 lasts 15 Earth hours. Its average temperature is 1607 K (1334 C), its atmosphere mainly consists of hydrogen, helium and it has 176 moons.
LJH731.12 is a large gas giant (68476 km radius) which orbits its star in 489393 Earth days, one day on LJH731.12 lasts 15 Earth hours. Its average temperature is 1370 K (1097 C), its atmosphere mainly consists of hydrogen, helium and it has 103 moons.
LJH731.13 is a medium terrestrial planet (6425 km radius) which orbits its star in 899074 Earth days, one day on LJH731.13 lasts 21 Earth hours. Its average temperature is 1162 K (889 C), its atmosphere mainly consists of hydrogen and it has 108 moons.
LJH731.14 is a medium gas giant (26563 km radius) which orbits its star in 1651704 Earth days, one day on LJH731.14 lasts 15 Earth hours. Its average temperature is 1250 K (977 C), its atmosphere mainly consists of hydrogen, helium and it has 88 moons.
LJH731.15 is a medium terrestrial planet (6456 km radius) which orbits its star in 2171221 Earth days, one day on LJH731.15 lasts 21 Earth hours. Its average temperature is 1181 K (908 C), its atmosphere mainly consists of and it has 35 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LJH731.1LJH731.2LJH731.3LJH731.4LJH731.5
distance from star:75*106 km113*106 km219*106 km328*106 km493*106 km
radius:10645 km9710 km11352 km8863 km7145 km
mass:9649*1021 kg7323*1021 kg11703*1021 kg5569*1021 kg2918*1021 kg
surface gravity: 5.68 m/s2
0.58 Earths
5.18 m/s2
0.52 Earths
6.06 m/s2
0.61 Earths
4.73 m/s2
0.48 Earths
3.81 m/s2
0.38 Earths
escape velocity:10.99 km/s10.03 km/s11.73 km/s9.158 km/s7.383 km/s
year: 583 LJH731.1 days
413 Earth days
1071 LJH731.2 days
759 Earth days
3073 LJH731.3 days
2049 Earth days
5020 LJH731.4 days
3765 Earth days
8738 LJH731.5 days
6918 Earth days
day:17 hrs17 hrs16 hrs18 hrs19 hrs
axial tilt:21°20°17°
temperature:461 K
188 C
409 K
136 C
163 K
-110 C
96 K
-177 C
53 K
-220 C
atmosphere:30% H2
4% He
18% N2
47% O2
1% CO2
0% other
83% N2
10% O2
7% CO2
0% other
83% N2
14% O2
3% CO2
0% other
3% H2
2% He
58% N2
36% O2
1% CO2
0% other
67% N2
1% O2
32% CO2
0% other
moons:817414118
rings:00600

planet:LJH731.6LJH731.7LJH731.8LJH731.9LJH731.10
distance from star:740*106 km1110*106 km1665*106 km2497*106 km3746*106 km
radius:7796 km4278 km5468 km8558 km20818 km
mass:3790*1021 kg626*1021 kg1307*1021 kg5014*1021 kg72178*1021 kg
surface gravity: 4.16 m/s2
0.42 Earths
2.28 m/s2
0.23 Earths
2.91 m/s2
0.29 Earths
4.56 m/s2
0.46 Earths
11.1 m/s2
1.13 Earths
escape velocity:8.055 km/s4.419 km/s5.648 km/s8.843 km/s21.51 km/s
year: 16053 LJH731.6 days
12709 Earth days
20013 LJH731.7 days
23349 Earth days
44760 LJH731.8 days
42895 Earth days
105070 LJH731.9 days
78803 Earth days
231633 LJH731.10 days
144771 Earth days
day:19 hrs28 hrs23 hrs18 hrs15 hrs
axial tilt:27°12°78°199°
temperature:28 K
-245 C
14 K
-259 C
7 K
-266 C
3 K
-270 C
1447 K
1174 C
atmosphere:66% N2
34% O2
0% other
90% N2
8% O2
2% CO2
0% other
79% N2
17% O2
4% CO2
0% other
67% N2
31% O2
2% CO2
0% other
98% H2
2% He
0% other
moons:9351747100
rings:401013

planet:LJH731.11LJH731.12LJH731.13LJH731.14LJH731.15
distance from star:5620*106 km8439*106 km12659*106 km18989*106 km22787*106 km
radius:52103 km68476 km6425 km26563 km6456 km
mass:1131561*1021 kg2568651*1021 kg2121*1021 kg149941*1021 kg2152*1021 kg
surface gravity: 27.8 m/s2
2.84 Earths
36.5 m/s2
3.73 Earths
3.42 m/s2
0.34 Earths
14.1 m/s2
1.44 Earths
3.44 m/s2
0.35 Earths
escape velocity:53.84 km/s70.76 km/s6.638 km/s27.44 km/s6.670 km/s
year: 425539 LJH731.11 days
265962 Earth days
783028 LJH731.12 days
489393 Earth days
1027513 LJH731.13 days
899074 Earth days
2642726 LJH731.14 days
1651704 Earth days
2481395 LJH731.15 days
2171221 Earth days
day:15 hrs15 hrs21 hrs15 hrs21 hrs
axial tilt:11°59°
temperature:1607 K
1334 C
1370 K
1097 C
1162 K
889 C
1250 K
977 C
1181 K
908 C
atmosphere:87% H2
13% He
0% other
82% H2
18% He
0% other
93% H2
7% He
0% other
89% H2
11% He
0% other
100% other
moons:1761031088835
rings:18112400

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