LJF170: yellow dwarf star with 5 planets

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.

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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.
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Planetary Orbits

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Planetary Statistics

planet:	LJF170.1	LJF170.2	LJF170.3	LJF170.4	LJF170.5
distance from star:	57*10⁶ km	86*10⁶ km	131*10⁶ km	2030*10⁶ km	2436*10⁶ km
radius:	5997 km	3454 km	8806 km	46236 km	2332 km
mass:	1725*10²¹ kg	329*10²¹ kg	5462*10²¹ kg	790734*10²¹ kg	101*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/s	3.565 km/s	9.099 km/s	47.77 km/s	2.404 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 hrs	25 hrs	8 hrs	5 hrs	51 hrs
axial tilt:	17°	14°	1°	4°	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:	4	0	35	162	4
rings:	0	0	0	4	11

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