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LBB687: yellow giant star with 3 planets

  LBB687.1  
LBB687.2
 
LBB687.3
 

Solar system 'LBB687' is a dual star system that comprises the stars 'LBB687.A' and 'LBB687.B' and the retinue of celestial objects gravitationally bound to them: 3 planets and their 105 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'LBB687.A' and 'LBB687.B' that dominate it gravitationally. 'LBB687.A' is a yellow giant class star that contains about 92% of the system's known mass, 'LBB687.B' is a red giant class star that contains about 7% of the system's known mass.

System 'LBB687' is located more than 5452 lightyears from the center of the galaxy.

This solar system comprises 3 planets

LBB687.1 is a small terrestrial planet (3926 km radius) which orbits its star in 143 Earth days, one day on LBB687.1 lasts 19 Earth hours. Its average temperature is 1049 K (776 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LBB687.2 is a medium terrestrial planet (5791 km radius) which orbits its star in 1648 Earth days, one day on LBB687.2 lasts 10 Earth hours. Its average temperature is 1129 K (856 C), its atmosphere mainly consists of hydrogen and it has 10 moons.
LBB687.3 is a large gas giant (47308 km radius) which orbits its star in 4805 Earth days, one day on LBB687.3 lasts 3 Earth hours. Its average temperature is 1907 K (1634 C), its atmosphere mainly consists of hydrogen, helium and it has 95 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LBB687.1LBB687.2LBB687.3
distance from star:37*106 km189*106 km387*106 km
radius:3926 km5791 km47308 km
mass:484*1021 kg1553*1021 kg847020*1021 kg
surface gravity: 2.09 m/s2
0.21 Earths
3.09 m/s2
0.31 Earths
25.2 m/s2
2.57 Earths
escape velocity:4.056 km/s5.983 km/s48.88 km/s
year: 180 LBB687.1 days
143 Earth days
3955 LBB687.2 days
1648 Earth days
38440 LBB687.3 days
4805 Earth days
day:19 hrs10 hrs3 hrs
axial tilt:157°
temperature:1049 K
776 C
1129 K
856 C
1907 K
1634 C
atmosphere:55% N2
44% O2
1% CO2
0% other
91% H2
9% He
0% other
78% H2
22% He
0% other
moons:01095
rings:02013

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