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LJF170: yellow dwarf star with 5 planets

  LJF170.1   LJF170.2   LJF170.3  
LJF170.4
 
LJF170.5
 

Solar system 'LJF170' comprises the star 'LJF170' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 205 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LJF170', a yellow dwarf class star that contains about 99.93% of the system's known mass and dominates it gravitationally. LJF170 is located more than 2073 lightyears from the center of the galaxy.

LJF170.2, the second planet in this system, may feature life forms. Its average temperature is 342K (69C) and it's atmosphere contains 47% of oxygen. One year on LJF170.2 lasts 510 days, one day lasts 25 hours. It's diameter is 6908 km, 0.5 times the diameter of the Earth.

This solar system comprises 5 planets

LJF170.1 is a medium terrestrial planet (5997 km radius) which orbits its star in 277 Earth days, one day on LJF170.1 lasts 11 Earth hours. Its average temperature is 385 K (112 C), its atmosphere mainly consists of nitrogen and it has 4 moons.
LJF170.2 is a small terrestrial planet (3454 km radius) which orbits its star in 510 Earth days, one day on LJF170.2 lasts 25 Earth hours. Its average temperature is 342 K (69 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LJF170.3 is a large terrestrial planet (8806 km radius) which orbits its star in 953 Earth days, one day on LJF170.3 lasts 8 Earth hours. Its average temperature is 223 K (-50 C), its atmosphere mainly consists of nitrogen, oxygen and it has 35 moons.
LJF170.4 is a large gas giant (46236 km radius) which orbits its star in 57760 Earth days, one day on LJF170.4 lasts 5 Earth hours. Its average temperature is 1494 K (1221 C), its atmosphere mainly consists of hydrogen and it has 162 moons.
LJF170.5 is a very small terrestrial planet (2332 km radius) which orbits its star in 75927 Earth days, one day on LJF170.5 lasts 51 Earth hours. Its average temperature is 1004 K (731 C), its atmosphere mainly consists of and it has 4 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LJF170.1LJF170.2LJF170.3LJF170.4LJF170.5
distance from star:57*106 km86*106 km131*106 km2030*106 km2436*106 km
radius:5997 km3454 km8806 km46236 km2332 km
mass:1725*1021 kg329*1021 kg5462*1021 kg790734*1021 kg101*1021 kg
surface gravity: 3.20 m/s2
0.32 Earths
1.84 m/s2
0.18 Earths
4.70 m/s2
0.48 Earths
24.6 m/s2
2.51 Earths
1.23 m/s2
0.12 Earths
escape velocity:6.196 km/s3.565 km/s9.099 km/s47.77 km/s2.404 km/s
year: 604 LJF170.1 days
277 Earth days
489 LJF170.2 days
510 Earth days
2859 LJF170.3 days
953 Earth days
277248 LJF170.4 days
57760 Earth days
35730 LJF170.5 days
75927 Earth days
day:11 hrs25 hrs8 hrs5 hrs51 hrs
axial tilt:17°14°314°
temperature:385 K
112 C
342 K
69 C
223 K
-50 C
1494 K
1221 C
1004 K
731 C
atmosphere:89% N2
7% O2
4% CO2
0% other
4% H2
1% He
47% N2
47% O2
1% CO2
0% other
77% N2
20% O2
3% CO2
0% other
94% H2
6% He
0% other
100% other
moons:40351624
rings:000411

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