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LJG880: red dwarf star with 4 planets

 
LJG880.1
  LJG880.2   LJG880.3   LJG880.4  

Solar system 'LJG880' comprises the star 'LJG880' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 65 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LJG880', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. LJG880 is located more than 2430 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LJG880.1 is a medium terrestrial planet (5403 km radius) which orbits its star in 27 Earth days, one day on LJG880.1 lasts 12 Earth hours. Its average temperature is 1291 K (1018 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
LJG880.2 is a medium terrestrial planet (5548 km radius) which orbits its star in 49 Earth days, one day on LJG880.2 lasts 12 Earth hours. Its average temperature is 1148 K (875 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
LJG880.3 is a very large terrestrial planet (11310 km radius) which orbits its star in 269 Earth days, one day on LJG880.3 lasts 5 Earth hours. Its average temperature is 723 K (450 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 17 moons.
LJG880.4 is a very large terrestrial planet (11330 km radius) which orbits its star in 979 Earth days, one day on LJG880.4 lasts 5 Earth hours. Its average temperature is 172 K (-101 C), its atmosphere mainly consists of nitrogen, oxygen and it has 46 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LJG880.1LJG880.2LJG880.3LJG880.4
distance from star:12*106 km18*106 km56*106 km134*106 km
radius:5403 km5548 km11310 km11330 km
mass:1261*1021 kg1366*1021 kg11573*1021 kg11635*1021 kg
surface gravity: 2.88 m/s2
0.29 Earths
2.96 m/s2
0.30 Earths
6.03 m/s2
0.61 Earths
6.04 m/s2
0.61 Earths
escape velocity:5.581 km/s5.732 km/s11.68 km/s11.70 km/s
year: 54 LJG880.1 days
27 Earth days
98 LJG880.2 days
49 Earth days
1291 LJG880.3 days
269 Earth days
4699 LJG880.4 days
979 Earth days
day:12 hrs12 hrs5 hrs5 hrs
axial tilt:15°21°
temperature:1291 K
1018 C
1148 K
875 C
723 K
450 C
172 K
-101 C
atmosphere:58% N2
41% O2
1% CO2
0% other
88% N2
11% O2
1% CO2
0% other
11% H2
3% He
43% N2
42% O2
1% CO2
0% other
61% N2
37% O2
2% CO2
0% other
moons:111746
rings:3000

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