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LAJ520: red dwarf star with 5 planets

 
LAJ520.1
  LAJ520.2   LAJ520.3   LAJ520.4   LAJ520.5  

Solar system 'LAJ520' comprises the star 'LAJ520' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 108 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LAJ520', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. LAJ520 is located more than 5133 lightyears from the center of the galaxy.

LAJ520.1, the first planet in this system, may feature life forms. Its average temperature is 324K (51C) and it's atmosphere contains 4% of oxygen. One year on LAJ520.1 lasts 141 days, one day lasts 10 hours. It's diameter is 13354 km, 1 times the diameter of the Earth.

This solar system comprises 5 planets

LAJ520.1 is a medium terrestrial planet (6677 km radius) which orbits its star in 141 Earth days, one day on LAJ520.1 lasts 10 Earth hours. Its average temperature is 324 K (51 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 7 moons.
LAJ520.2 is a large terrestrial planet (8856 km radius) which orbits its star in 446 Earth days, one day on LAJ520.2 lasts 8 Earth hours. Its average temperature is 140 K (-133 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
LAJ520.3 is a very large terrestrial planet (9183 km radius) which orbits its star in 819 Earth days, one day on LAJ520.3 lasts 7 Earth hours. Its average temperature is 93 K (-180 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
LAJ520.4 is a very large terrestrial planet (9519 km radius) which orbits its star in 1747 Earth days, one day on LAJ520.4 lasts 7 Earth hours. Its average temperature is 45 K (-228 C), its atmosphere mainly consists of nitrogen, oxygen and it has 39 moons.
LAJ520.5 is a small terrestrial planet (4798 km radius) which orbits its star in 3210 Earth days, one day on LAJ520.5 lasts 15 Earth hours. Its average temperature is 25 K (-248 C), its atmosphere mainly consists of nitrogen, oxygen and it has 26 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LAJ520.1LAJ520.2LAJ520.3LAJ520.4LAJ520.5
distance from star:36*106 km79*106 km119*106 km197*106 km295*106 km
radius:6677 km8856 km9183 km9519 km4798 km
mass:2381*1021 kg5556*1021 kg6195*1021 kg6900*1021 kg883*1021 kg
surface gravity: 3.56 m/s2
0.36 Earths
4.72 m/s2
0.48 Earths
4.90 m/s2
0.50 Earths
5.08 m/s2
0.51 Earths
2.56 m/s2
0.26 Earths
escape velocity:6.899 km/s9.151 km/s9.489 km/s9.836 km/s4.956 km/s
year: 338 LAJ520.1 days
141 Earth days
1338 LAJ520.2 days
446 Earth days
2808 LAJ520.3 days
819 Earth days
5989 LAJ520.4 days
1747 Earth days
5136 LAJ520.5 days
3210 Earth days
day:10 hrs8 hrs7 hrs7 hrs15 hrs
axial tilt:22°22°16°
temperature:324 K
51 C
140 K
-133 C
93 K
-180 C
45 K
-228 C
25 K
-248 C
atmosphere:80% N2
4% O2
16% CO2
0% other
70% N2
30% O2
0% other
6% H2
1% He
56% N2
37% O2
0% other
2% H2
1% He
82% N2
15% O2
0% other
5% H2
1% He
56% N2
38% O2
0% other
moons:717193926
rings:30000

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