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LJG919: red dwarf star with 4 planets

  LJG919.1   LJG919.2   LJG919.3  
LJG919.4
 

Solar system 'LJG919' comprises the star 'LJG919' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 202 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LJG919', a red dwarf class star that contains about 99.09% of the system's known mass and dominates it gravitationally. LJG919 is located more than 2430 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LJG919.1 is a very large terrestrial planet (11996 km radius) which orbits its star in 4 Earth days, one day on LJG919.1 lasts 5 Earth hours. Its average temperature is 1316 K (1043 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
LJG919.2 is a medium terrestrial planet (6653 km radius) which orbits its star in 13 Earth days, one day on LJG919.2 lasts 9 Earth hours. Its average temperature is 1326 K (1053 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
LJG919.3 is a large gas giant (55619 km radius) which orbits its star in 10142 Earth days, one day on LJG919.3 lasts 4 Earth hours. Its average temperature is 1209 K (936 C), its atmosphere mainly consists of hydrogen, helium and it has 108 moons.
LJG919.4 is a large gas giant (55393 km radius) which orbits its star in 88465 Earth days, one day on LJG919.4 lasts 4 Earth hours. Its average temperature is 1347 K (1074 C), its atmosphere mainly consists of hydrogen, helium and it has 90 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LJG919.1LJG919.2LJG919.3LJG919.4
distance from star:3*106 km7*106 km636*106 km2698*106 km
radius:11996 km6653 km55619 km55393 km
mass:13810*1021 kg2355*1021 kg1376447*1021 kg1359736*1021 kg
surface gravity: 6.40 m/s2
0.65 Earths
3.55 m/s2
0.36 Earths
29.6 m/s2
3.02 Earths
29.5 m/s2
3.01 Earths
escape velocity:12.39 km/s6.873 km/s57.47 km/s57.24 km/s
year: 19 LJG919.1 days
4 Earth days
34 LJG919.2 days
13 Earth days
60852 LJG919.3 days
10142 Earth days
530790 LJG919.4 days
88465 Earth days
day:5 hrs9 hrs4 hrs4 hrs
axial tilt:14°
temperature:1316 K
1043 C
1326 K
1053 C
1209 K
936 C
1347 K
1074 C
atmosphere:81% N2
16% O2
3% CO2
0% other
90% N2
10% CO2
0% other
77% H2
23% He
0% other
83% H2
17% He
0% other
moons:4010890
rings:0006

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