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LBE477: red supergiant star with 7 planets

  LBE477.1   LBE477.2  
LBE477.3
 
LBE477.4
 
LBE477.5
 
LBE477.6
  LBE477.7  

Solar system 'LBE477' is a dual star system that comprises the stars 'LBE477.A' and 'LBE477.B' and the retinue of celestial objects gravitationally bound to them: 7 planets and their 596 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'LBE477.A' and 'LBE477.B' that dominate it gravitationally. 'LBE477.A' is a red supergiant class star that contains about 87% of the system's known mass, 'LBE477.B' is a red giant class star that contains about 12% of the system's known mass.

System 'LBE477' is located more than 5163 lightyears from the center of the galaxy.

This solar system comprises 7 planets

LBE477.1 is a very small terrestrial planet (2930 km radius) which orbits its star in 14 Earth days, one day on LBE477.1 lasts 36 Earth hours. Its average temperature is 1348 K (1075 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LBE477.2 is a large terrestrial planet (8421 km radius) which orbits its star in 439 Earth days, one day on LBE477.2 lasts 10 Earth hours. Its average temperature is 1887 K (1614 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LBE477.3 is a large gas giant (78795 km radius) which orbits its star in 83604 Earth days, one day on LBE477.3 lasts 7 Earth hours. Its average temperature is 1893 K (1620 C), its atmosphere mainly consists of hydrogen, helium and it has 152 moons.
LBE477.4 is a medium gas giant (34712 km radius) which orbits its star in 159347 Earth days, one day on LBE477.4 lasts 7 Earth hours. Its average temperature is 1286 K (1013 C), its atmosphere mainly consists of hydrogen and it has 174 moons.
LBE477.5 is a large gas giant (64311 km radius) which orbits its star in 367061 Earth days, one day on LBE477.5 lasts 7 Earth hours. Its average temperature is 1000 K (727 C), its atmosphere mainly consists of hydrogen and it has 163 moons.
LBE477.6 is a medium gas giant (20573 km radius) which orbits its star in 674335 Earth days, one day on LBE477.6 lasts 7 Earth hours. Its average temperature is 1966 K (1693 C), its atmosphere mainly consists of hydrogen, helium and it has 50 moons.
LBE477.7 is a large terrestrial planet (7984 km radius) which orbits its star in 886437 Earth days, one day on LBE477.7 lasts 10 Earth hours. Its average temperature is 1272 K (999 C), its atmosphere mainly consists of and it has 57 moons.
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Planetary Statistics

planet:LBE477.1LBE477.2LBE477.3LBE477.4LBE477.5
distance from star:8*106 km78*106 km2598*106 km3994*106 km6967*106 km
radius:2930 km8421 km78795 km34712 km64311 km
mass:201*1021 kg4777*1021 kg3913685*1021 kg334602*1021 kg2127873*1021 kg
surface gravity: 1.56 m/s2
0.15 Earths
4.49 m/s2
0.45 Earths
42.0 m/s2
4.29 Earths
18.5 m/s2
1.89 Earths
34.3 m/s2
3.50 Earths
escape velocity:3.026 km/s8.701 km/s81.42 km/s35.87 km/s66.45 km/s
year: 9 LBE477.1 days
14 Earth days
1053 LBE477.2 days
439 Earth days
286642 LBE477.3 days
83604 Earth days
546332 LBE477.4 days
159347 Earth days
1258494 LBE477.5 days
367061 Earth days
day:36 hrs10 hrs7 hrs7 hrs7 hrs
axial tilt:21°21°
temperature:1348 K
1075 C
1887 K
1614 C
1893 K
1620 C
1286 K
1013 C
1000 K
727 C
atmosphere:61% N2
39% O2
0% other
70% N2
30% O2
0% other
85% H2
15% He
0% other
100% H2
0% other
90% H2
10% He
0% other
moons:00152174163
rings:00161814

planet:LBE477.6LBE477.7
distance from star:10450*106 km12540*106 km
radius:20573 km7984 km
mass:69659*1021 kg4071*1021 kg
surface gravity: 10.9 m/s2
1.11 Earths
4.26 m/s2
0.43 Earths
escape velocity:21.25 km/s8.250 km/s
year: 2312005 LBE477.6 days
674335 Earth days
2127448 LBE477.7 days
886437 Earth days
day:7 hrs10 hrs
axial tilt:64°21°
temperature:1966 K
1693 C
1272 K
999 C
atmosphere:89% H2
11% He
0% other
100% other
moons:5057
rings:230

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