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LJH855: red giant star with 5 planets

  LJH855.1   LJH855.2   LJH855.3   LJH855.4  
LJH855.5
 

Solar system 'LJH855' is a dual star system that comprises the stars 'LJH855.A' and 'LJH855.B' and the retinue of celestial objects gravitationally bound to them: 5 planets and their 150 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'LJH855.A' and 'LJH855.B' that dominate it gravitationally. 'LJH855.A' is a red giant class star that contains about 73% of the system's known mass, 'LJH855.B' is a red giant class star that contains about 26% of the system's known mass.

System 'LJH855' is located more than 2073 lightyears from the center of the galaxy.

This solar system comprises 5 planets

LJH855.1 is a small terrestrial planet (3356 km radius) which orbits its star in 20 Earth days, one day on LJH855.1 lasts 27 Earth hours. Its average temperature is 1138 K (865 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LJH855.2 is a medium terrestrial planet (5456 km radius) which orbits its star in 48 Earth days, one day on LJH855.2 lasts 13 Earth hours. Its average temperature is 1400 K (1127 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 1 moons.
LJH855.3 is a medium terrestrial planet (6813 km radius) which orbits its star in 490 Earth days, one day on LJH855.3 lasts 10 Earth hours. Its average temperature is 1555 K (1282 C), its atmosphere mainly consists of nitrogen and it has 21 moons.
LJH855.4 is a very large terrestrial planet (10694 km radius) which orbits its star in 1296 Earth days, one day on LJH855.4 lasts 7 Earth hours. Its average temperature is 1136 K (863 C), its atmosphere mainly consists of nitrogen, oxygen and it has 35 moons.
LJH855.5 is a large gas giant (48354 km radius) which orbits its star in 75950 Earth days, one day on LJH855.5 lasts 5 Earth hours. Its average temperature is 1827 K (1554 C), its atmosphere mainly consists of hydrogen and it has 93 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LJH855.1LJH855.2LJH855.3LJH855.4LJH855.5
distance from star:10*106 km18*106 km84*106 km161*106 km2437*106 km
radius:3356 km5456 km6813 km10694 km48354 km
mass:302*1021 kg1299*1021 kg2529*1021 kg9783*1021 kg904455*1021 kg
surface gravity: 1.78 m/s2
0.18 Earths
2.91 m/s2
0.29 Earths
3.63 m/s2
0.37 Earths
5.70 m/s2
0.58 Earths
25.8 m/s2
2.63 Earths
escape velocity:3.465 km/s5.637 km/s7.039 km/s11.05 km/s49.96 km/s
year: 17 LJH855.1 days
20 Earth days
88 LJH855.2 days
48 Earth days
1176 LJH855.3 days
490 Earth days
4443 LJH855.4 days
1296 Earth days
364560 LJH855.5 days
75950 Earth days
day:27 hrs13 hrs10 hrs7 hrs5 hrs
axial tilt:78°26°122°27°79°
temperature:1138 K
865 C
1400 K
1127 C
1555 K
1282 C
1136 K
863 C
1827 K
1554 C
atmosphere:2% H2
2% He
54% N2
41% O2
1% CO2
0% other
17% H2
2% He
32% N2
48% O2
1% CO2
0% other
89% N2
3% O2
8% CO2
0% other
2% He
63% N2
34% O2
1% CO2
0% other
100% H2
0% other
moons:01213593
rings:000013

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