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LAJ512: red dwarf star with 4 planets

  LAJ512.1   LAJ512.2  
LAJ512.3
  LAJ512.4  

Solar system 'LAJ512' comprises the star 'LAJ512' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 137 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LAJ512', a red dwarf class star that contains about 99.28% of the system's known mass and dominates it gravitationally. LAJ512 is located more than 5133 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LAJ512.1 is a small terrestrial planet (3060 km radius) which orbits its star in 50 Earth days, one day on LAJ512.1 lasts 30 Earth hours. Its average temperature is 908 K (635 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LAJ512.2 is a large terrestrial planet (7517 km radius) which orbits its star in 461 Earth days, one day on LAJ512.2 lasts 8 Earth hours. Its average temperature is 94 K (-179 C), its atmosphere mainly consists of nitrogen, oxygen and it has 27 moons.
LAJ512.3 is a large gas giant (63788 km radius) which orbits its star in 848 Earth days, one day on LAJ512.3 lasts 4 Earth hours. Its average temperature is 1751 K (1478 C), its atmosphere mainly consists of hydrogen and it has 104 moons.
LAJ512.4 is a large terrestrial planet (7089 km radius) which orbits its star in 1214 Earth days, one day on LAJ512.4 lasts 8 Earth hours. Its average temperature is 1226 K (953 C), its atmosphere mainly consists of and it has 6 moons.
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Planetary Orbits

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Planetary Statistics

planet:LAJ512.1LAJ512.2LAJ512.3LAJ512.4
distance from star:18*106 km81*106 km121*106 km154*106 km
radius:3060 km7517 km63788 km7089 km
mass:229*1021 kg3398*1021 kg2076380*1021 kg2850*1021 kg
surface gravity: 1.63 m/s2
0.16 Earths
4.01 m/s2
0.41 Earths
34.0 m/s2
3.47 Earths
3.78 m/s2
0.38 Earths
escape velocity:3.160 km/s7.767 km/s65.91 km/s7.325 km/s
year: 40 LAJ512.1 days
50 Earth days
1383 LAJ512.2 days
461 Earth days
5088 LAJ512.3 days
848 Earth days
3642 LAJ512.4 days
1214 Earth days
day:30 hrs8 hrs4 hrs8 hrs
axial tilt:273°121°16°
temperature:908 K
635 C
94 K
-179 C
1751 K
1478 C
1226 K
953 C
atmosphere:1% H2
1% He
62% N2
34% O2
2% CO2
0% other
61% N2
37% O2
2% CO2
0% other
93% H2
7% He
0% other
100% other
moons:0271046
rings:00160

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