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LJK570: red giant star with 6 planets

  LJK570.1   LJK570.2  
LJK570.3
 
LJK570.4
 
LJK570.5
 
LJK570.6
 

Solar system 'LJK570' is a dual star system that comprises the stars 'LJK570.A' and 'LJK570.B' and the retinue of celestial objects gravitationally bound to them: 6 planets and their 443 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'LJK570.A' and 'LJK570.B' that dominate it gravitationally. 'LJK570.A' is a red giant class star that contains about 66% of the system's known mass, 'LJK570.B' is a red giant class star that contains about 33% of the system's known mass.

System 'LJK570' is located more than 2430 lightyears from the center of the galaxy.

This solar system comprises 6 planets

LJK570.1 is a very small terrestrial planet (2145 km radius) which orbits its star in 26 Earth days, one day on LJK570.1 lasts 61 Earth hours. Its average temperature is 1819 K (1546 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LJK570.2 is a very large terrestrial planet (10379 km radius) which orbits its star in 230 Earth days, one day on LJK570.2 lasts 8 Earth hours. Its average temperature is 1610 K (1337 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
LJK570.3 is a medium gas giant (27912 km radius) which orbits its star in 15469 Earth days, one day on LJK570.3 lasts 6 Earth hours. Its average temperature is 1488 K (1215 C), its atmosphere mainly consists of hydrogen, helium and it has 166 moons.
LJK570.4 is a large gas giant (50346 km radius) which orbits its star in 28419 Earth days, one day on LJK570.4 lasts 6 Earth hours. Its average temperature is 1060 K (787 C), its atmosphere mainly consists of hydrogen, helium and it has 35 moons.
LJK570.5 is a medium gas giant (32134 km radius) which orbits its star in 78433 Earth days, one day on LJK570.5 lasts 6 Earth hours. Its average temperature is 1007 K (734 C), its atmosphere mainly consists of hydrogen, helium and it has 105 moons.
LJK570.6 is a medium gas giant (28557 km radius) which orbits its star in 144660 Earth days, one day on LJK570.6 lasts 6 Earth hours. Its average temperature is 1372 K (1099 C), its atmosphere mainly consists of hydrogen and it has 134 moons.
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Planetary Orbits

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Planetary Statistics

planet:LJK570.1LJK570.2LJK570.3LJK570.4LJK570.5
distance from star:12*106 km51*106 km843*106 km1265*106 km2490*106 km
radius:2145 km10379 km27912 km50346 km32134 km
mass:78*1021 kg8944*1021 kg173965*1021 kg1020903*1021 kg265450*1021 kg
surface gravity: 1.13 m/s2
0.11 Earths
5.54 m/s2
0.56 Earths
14.9 m/s2
1.52 Earths
26.8 m/s2
2.74 Earths
17.1 m/s2
1.74 Earths
escape velocity:2.203 km/s10.72 km/s28.84 km/s52.02 km/s33.20 km/s
year: 10 LJK570.1 days
26 Earth days
690 LJK570.2 days
230 Earth days
61876 LJK570.3 days
15469 Earth days
113676 LJK570.4 days
28419 Earth days
313732 LJK570.5 days
78433 Earth days
day:61 hrs8 hrs6 hrs6 hrs6 hrs
axial tilt:81°38°
temperature:1819 K
1546 C
1610 K
1337 C
1488 K
1215 C
1060 K
787 C
1007 K
734 C
atmosphere:78% N2
21% O2
1% CO2
0% other
72% N2
28% O2
0% other
78% H2
22% He
0% other
78% H2
22% He
0% other
80% H2
20% He
0% other
moons:0316635105
rings:00212120

planet:LJK570.6
distance from star:3745*106 km
radius:28557 km
mass:186306*1021 kg
surface gravity: 15.2 m/s2
1.55 Earths
escape velocity:29.51 km/s
year: 578640 LJK570.6 days
144660 Earth days
day:6 hrs
axial tilt:
temperature:1372 K
1099 C
atmosphere:96% H2
4% He
0% other
moons:134
rings:24

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