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LAC621: red dwarf star with 4 planets

  LAC621.1  
LAC621.2
 
LAC621.3
  LAC621.4  

Solar system 'LAC621' comprises the star 'LAC621' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 291 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LAC621', a red dwarf class star that contains about 99.64% of the system's known mass and dominates it gravitationally. LAC621 is located more than 5709 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LAC621.1 is a small terrestrial planet (3953 km radius) which orbits its star in 46 Earth days, one day on LAC621.1 lasts 20 Earth hours. Its average temperature is 1753 K (1480 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LAC621.2 is a huge terrestrial planet (12546 km radius) which orbits its star in 392 Earth days, one day on LAC621.2 lasts 5 Earth hours. Its average temperature is 1177 K (904 C), its atmosphere mainly consists of hydrogen and it has 78 moons.
LAC621.3 is a large gas giant (76282 km radius) which orbits its star in 5195 Earth days, one day on LAC621.3 lasts 4 Earth hours. Its average temperature is 1079 K (806 C), its atmosphere mainly consists of hydrogen, helium and it has 152 moons.
LAC621.4 is a large terrestrial planet (8689 km radius) which orbits its star in 6830 Earth days, one day on LAC621.4 lasts 7 Earth hours. Its average temperature is 1942 K (1669 C), its atmosphere mainly consists of and it has 61 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LAC621.1LAC621.2LAC621.3LAC621.4
distance from star:17*106 km72*106 km407*106 km489*106 km
radius:3953 km12546 km76282 km8689 km
mass:494*1021 kg15798*1021 kg3551045*1021 kg5248*1021 kg
surface gravity: 2.10 m/s2
0.21 Earths
6.69 m/s2
0.68 Earths
40.7 m/s2
4.16 Earths
4.63 m/s2
0.47 Earths
escape velocity:4.084 km/s12.96 km/s78.82 km/s8.979 km/s
year: 55 LAC621.1 days
46 Earth days
1881 LAC621.2 days
392 Earth days
31170 LAC621.3 days
5195 Earth days
23417 LAC621.4 days
6830 Earth days
day:20 hrs5 hrs4 hrs7 hrs
axial tilt:16°11°
temperature:1753 K
1480 C
1177 K
904 C
1079 K
806 C
1942 K
1669 C
atmosphere:8% H2
2% He
59% N2
30% O2
1% CO2
0% other
95% H2
5% He
0% other
85% H2
15% He
0% other
100% other
moons:07815261
rings:0570

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