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LAA021: yellow dwarf star with 4 planets

  LAA021.1  
LAA021.2
 
LAA021.3
 
LAA021.4
 

Solar system 'LAA021' is a dual star system that comprises the stars 'LAA021.A' and 'LAA021.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 475 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'LAA021.A' and 'LAA021.B' that dominate it gravitationally. 'LAA021.A' is a yellow dwarf class star that contains about 71% of the system's known mass, 'LAA021.B' is a yellow dwarf class star that contains about 28% of the system's known mass.

System 'LAA021' is located more than 5477 lightyears from the center of the galaxy.

LAA021.1, the first planet in this system, may feature life forms. Its average temperature is 264K (-9C) and it's atmosphere contains 48% of oxygen. One year on LAA021.1 lasts 643 days, one day lasts 6 hours. It's diameter is 20456 km, 1.6 times the diameter of the Earth.

This solar system comprises 4 planets

LAA021.1 is a very large terrestrial planet (10228 km radius) which orbits its star in 643 Earth days, one day on LAA021.1 lasts 6 Earth hours. Its average temperature is 264 K (-9 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 18 moons.
LAA021.2 is a large gas giant (45232 km radius) which orbits its star in 13981 Earth days, one day on LAA021.2 lasts 4 Earth hours. Its average temperature is 1975 K (1702 C), its atmosphere mainly consists of hydrogen, helium and it has 132 moons.
LAA021.3 is a small gas giant (18767 km radius) which orbits its star in 25684 Earth days, one day on LAA021.3 lasts 4 Earth hours. Its average temperature is 1844 K (1571 C), its atmosphere mainly consists of hydrogen, helium and it has 175 moons.
LAA021.4 is a large gas giant (71570 km radius) which orbits its star in 86038 Earth days, one day on LAA021.4 lasts 4 Earth hours. Its average temperature is 1396 K (1123 C), its atmosphere mainly consists of hydrogen and it has 150 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LAA021.1LAA021.2LAA021.3LAA021.4
distance from star:101*106 km788*106 km1183*106 km2648*106 km
radius:10228 km45232 km18767 km71570 km
mass:8559*1021 kg740333*1021 kg52877*1021 kg2932803*1021 kg
surface gravity: 5.46 m/s2
0.55 Earths
24.1 m/s2
2.46 Earths
10.0 m/s2
1.02 Earths
38.2 m/s2
3.90 Earths
escape velocity:10.56 km/s46.74 km/s19.39 km/s73.95 km/s
year: 2572 LAA021.1 days
643 Earth days
83886 LAA021.2 days
13981 Earth days
154104 LAA021.3 days
25684 Earth days
516228 LAA021.4 days
86038 Earth days
day:6 hrs4 hrs4 hrs4 hrs
axial tilt:28°
temperature:264 K
-9 C
1975 K
1702 C
1844 K
1571 C
1396 K
1123 C
atmosphere:14% H2
3% He
35% N2
48% O2
0% other
76% H2
24% He
0% other
87% H2
13% He
0% other
100% H2
0% other
moons:18132175150
rings:022419

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