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LKK272: red giant star with 5 planets

  LKK272.1  
LKK272.2
 
LKK272.3
  LKK272.4  
LKK272.5
 

Solar system 'LKK272' is a dual star system that comprises the stars 'LKK272.A' and 'LKK272.B' and the retinue of celestial objects gravitationally bound to them: 5 planets and their 436 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'LKK272.A' and 'LKK272.B' that dominate it gravitationally. 'LKK272.A' is a red giant class star that contains about 73% of the system's known mass, 'LKK272.B' is a red giant class star that contains about 26% of the system's known mass.

System 'LKK272' is located more than 4867 lightyears from the center of the galaxy.

This solar system comprises 5 planets

LKK272.1 is a large gas giant (79861 km radius) which orbits its star in 10855 Earth days, one day on LKK272.1 lasts 5 Earth hours. Its average temperature is 1147 K (874 C), its atmosphere mainly consists of hydrogen and it has 99 moons.
LKK272.2 is a medium gas giant (29276 km radius) which orbits its star in 19943 Earth days, one day on LKK272.2 lasts 5 Earth hours. Its average temperature is 1121 K (848 C), its atmosphere mainly consists of hydrogen and it has 85 moons.
LKK272.3 is a huge terrestrial planet (13771 km radius) which orbits its star in 37265 Earth days, one day on LKK272.3 lasts 6 Earth hours. Its average temperature is 1760 K (1487 C), its atmosphere mainly consists of hydrogen and it has 81 moons.
LKK272.4 is a medium gas giant (35899 km radius) which orbits its star in 71012 Earth days, one day on LKK272.4 lasts 5 Earth hours. Its average temperature is 1179 K (906 C), its atmosphere mainly consists of hydrogen and it has 103 moons.
LKK272.5 is a large terrestrial planet (8960 km radius) which orbits its star in 130458 Earth days, one day on LKK272.5 lasts 8 Earth hours. Its average temperature is 1916 K (1643 C), its atmosphere mainly consists of hydrogen, helium and it has 68 moons.
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Planetary Statistics

planet:LKK272.1LKK272.2LKK272.3LKK272.4LKK272.5
distance from star:666*106 km999*106 km1516*106 km2330*106 km3495*106 km
radius:79861 km29276 km13771 km35899 km8960 km
mass:4074686*1021 kg200735*1021 kg20892*1021 kg370115*1021 kg5754*1021 kg
surface gravity: 42.6 m/s2
4.35 Earths
15.6 m/s2
1.59 Earths
7.35 m/s2
0.75 Earths
19.1 m/s2
1.95 Earths
4.78 m/s2
0.48 Earths
escape velocity:82.52 km/s30.25 km/s14.23 km/s37.09 km/s9.258 km/s
year: 52104 LKK272.1 days
10855 Earth days
95726 LKK272.2 days
19943 Earth days
149060 LKK272.3 days
37265 Earth days
340857 LKK272.4 days
71012 Earth days
391374 LKK272.5 days
130458 Earth days
day:5 hrs5 hrs6 hrs5 hrs8 hrs
axial tilt:60°
temperature:1147 K
874 C
1121 K
848 C
1760 K
1487 C
1179 K
906 C
1916 K
1643 C
atmosphere:99% H2
1% He
0% other
98% H2
2% He
0% other
95% H2
5% He
0% other
90% H2
10% He
0% other
82% H2
18% He
0% other
moons:99858110368
rings:02422023

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