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LBC688: red giant star with 2 planets


Solar system 'LBC688' is a dual star system that comprises the stars 'LBC688.A' and 'LBC688.B' and the retinue of celestial objects gravitationally bound to them: 2 planets and their 164 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'LBC688.A' and 'LBC688.B' that dominate it gravitationally. 'LBC688.A' is a red giant class star that contains about 88% of the system's known mass, 'LBC688.B' is a yellow dwarf class star that contains about 11% of the system's known mass.

System 'LBC688' is located more than 4933 lightyears from the center of the galaxy.

This solar system comprises 2 planets

LBC688.1 is a small terrestrial planet (3553 km radius) which orbits its star in 98 Earth days, one day on LBC688.1 lasts 21 Earth hours. Its average temperature is 1173 K (900 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 0 moons.
LBC688.2 is a large gas giant (46262 km radius) which orbits its star in 4100 Earth days, one day on LBC688.2 lasts 2 Earth hours. Its average temperature is 1669 K (1396 C), its atmosphere mainly consists of hydrogen, helium and it has 164 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:29*106 km348*106 km
radius:3553 km46262 km
mass:358*1021 kg792069*1021 kg
surface gravity: 1.89 m/s2
0.19 Earths
24.7 m/s2
2.52 Earths
escape velocity:3.667 km/s47.80 km/s
year: 112 LBC688.1 days
98 Earth days
49200 LBC688.2 days
4100 Earth days
day:21 hrs2 hrs
axial tilt:
temperature:1173 K
900 C
1669 K
1396 C
atmosphere:15% N2
85% CO2
0% other
89% H2
11% He
0% other

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