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LBJ502: red dwarf star with 2 planets


Solar system 'LBJ502' comprises the star 'LBJ502' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 157 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LBJ502', a red dwarf class star that contains about 99.97% of the system's known mass and dominates it gravitationally. LBJ502 is located more than 4703 lightyears from the center of the galaxy.

This solar system comprises 2 planets

LBJ502.1 is a very large terrestrial planet (9619 km radius) which orbits its star in 408 Earth days, one day on LBJ502.1 lasts 4 Earth hours. Its average temperature is 144 K (-129 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
LBJ502.2 is a medium gas giant (26264 km radius) which orbits its star in 8434 Earth days, one day on LBJ502.2 lasts 2 Earth hours. Its average temperature is 1913 K (1640 C), its atmosphere mainly consists of hydrogen, helium and it has 140 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:74*106 km563*106 km
radius:9619 km26264 km
mass:7119*1021 kg144934*1021 kg
surface gravity: 5.13 m/s2
0.52 Earths
14.0 m/s2
1.43 Earths
escape velocity:9.939 km/s27.14 km/s
year: 2448 LBJ502.1 days
408 Earth days
101208 LBJ502.2 days
8434 Earth days
day:4 hrs2 hrs
axial tilt:24°
temperature:144 K
-129 C
1913 K
1640 C
atmosphere:74% N2
26% O2
0% other
82% H2
18% He
0% other

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