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LJF169: yellow dwarf star with 4 planets

  LJF169.1   LJF169.2  
LJF169.3
 
LJF169.4
 

Solar system 'LJF169' comprises the star 'LJF169' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 255 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LJF169', a yellow dwarf class star that contains about 99.87% of the system's known mass and dominates it gravitationally. LJF169 is located more than 2073 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LJF169.1 is a medium terrestrial planet (6697 km radius) which orbits its star in 0 Earth days, one day on LJF169.1 lasts 9 Earth hours. Its average temperature is 1379 K (1106 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LJF169.2 is a large terrestrial planet (7191 km radius) which orbits its star in 142 Earth days, one day on LJF169.2 lasts 8 Earth hours. Its average temperature is 1619 K (1346 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
LJF169.3 is a medium gas giant (39241 km radius) which orbits its star in 40219 Earth days, one day on LJF169.3 lasts 4 Earth hours. Its average temperature is 1180 K (907 C), its atmosphere mainly consists of hydrogen and it has 158 moons.
LJF169.4 is a large gas giant (47550 km radius) which orbits its star in 73888 Earth days, one day on LJF169.4 lasts 4 Earth hours. Its average temperature is 1130 K (857 C), its atmosphere mainly consists of hydrogen, helium and it has 94 moons.
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Planetary Statistics

planet:LJF169.1LJF169.2LJF169.3LJF169.4
distance from star:0*106 km37*106 km1595*106 km2392*106 km
radius:6697 km7191 km39241 km47550 km
mass:2402*1021 kg2974*1021 kg483403*1021 kg860085*1021 kg
surface gravity: 3.57 m/s2
0.36 Earths
3.83 m/s2
0.39 Earths
20.9 m/s2
2.13 Earths
25.3 m/s2
2.58 Earths
escape velocity:6.919 km/s7.430 km/s40.55 km/s49.13 km/s
year: 0 LJF169.1 days
0 Earth days
426 LJF169.2 days
142 Earth days
241314 LJF169.3 days
40219 Earth days
443328 LJF169.4 days
73888 Earth days
day:9 hrs8 hrs4 hrs4 hrs
axial tilt:187°
temperature:1379 K
1106 C
1619 K
1346 C
1180 K
907 C
1130 K
857 C
atmosphere:81% N2
12% O2
7% CO2
0% other
3% H2
1% He
46% N2
49% O2
1% CO2
0% other
94% H2
6% He
0% other
86% H2
14% He
0% other
moons:0315894
rings:00107

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