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LJK599: red giant star with 2 planets


Solar system 'LJK599' comprises the star 'LJK599' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 265 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LJK599', a red giant class star that contains about 99.95% of the system's known mass and dominates it gravitationally. LJK599 is located more than 2430 lightyears from the center of the galaxy.

This solar system comprises 2 planets

LJK599.1 is a medium gas giant (35407 km radius) which orbits its star in 6433 Earth days, one day on LJK599.1 lasts 2 Earth hours. Its average temperature is 1055 K (782 C), its atmosphere mainly consists of hydrogen, helium and it has 152 moons.
LJK599.2 is a large gas giant (73134 km radius) which orbits its star in 40465 Earth days, one day on LJK599.2 lasts 2 Earth hours. Its average temperature is 1279 K (1006 C), its atmosphere mainly consists of hydrogen and it has 113 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:470*106 km1601*106 km
radius:35407 km73134 km
mass:355105*1021 kg3129305*1021 kg
surface gravity: 18.9 m/s2
1.93 Earths
39.0 m/s2
3.98 Earths
escape velocity:36.58 km/s75.57 km/s
year: 77196 LJK599.1 days
6433 Earth days
485580 LJK599.2 days
40465 Earth days
day:2 hrs2 hrs
axial tilt:
temperature:1055 K
782 C
1279 K
1006 C
atmosphere:84% H2
16% He
0% other
98% H2
2% He
0% other

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