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LBH489: red dwarf star with 2 planets


Solar system 'LBH489' comprises the star 'LBH489' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 160 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LBH489', a red dwarf class star that contains about 99.93% of the system's known mass and dominates it gravitationally. LBH489 is located more than 4205 lightyears from the center of the galaxy.

This solar system comprises 2 planets

LBH489.1 is a very large terrestrial planet (11636 km radius) which orbits its star in 12 Earth days, one day on LBH489.1 lasts 3 Earth hours. Its average temperature is 1131 K (858 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
LBH489.2 is a medium gas giant (33644 km radius) which orbits its star in 40463 Earth days, one day on LBH489.2 lasts 2 Earth hours. Its average temperature is 1056 K (783 C), its atmosphere mainly consists of hydrogen, helium and it has 156 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:7*106 km1601*106 km
radius:11636 km33644 km
mass:12603*1021 kg304658*1021 kg
surface gravity: 6.21 m/s2
0.63 Earths
17.9 m/s2
1.83 Earths
escape velocity:12.02 km/s34.76 km/s
year: 96 LBH489.1 days
12 Earth days
485556 LBH489.2 days
40463 Earth days
day:3 hrs2 hrs
axial tilt:27°
temperature:1131 K
858 C
1056 K
783 C
atmosphere:1% He
75% N2
20% O2
4% CO2
0% other
79% H2
21% He
0% other

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