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LBK473: red giant star with 7 planets

  LBK473.1  
LBK473.2
  LBK473.3  
LBK473.4
 
LBK473.5
 
LBK473.6
 
LBK473.7
 

Solar system 'LBK473' is a dual star system that comprises the stars 'LBK473.A' and 'LBK473.B' and the retinue of celestial objects gravitationally bound to them: 7 planets and their 476 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'LBK473.A' and 'LBK473.B' that dominate it gravitationally. 'LBK473.A' is a red giant class star that contains about 62% of the system's known mass, 'LBK473.B' is a red giant class star that contains about 37% of the system's known mass.

System 'LBK473' is located more than 5135 lightyears from the center of the galaxy.

This solar system comprises 7 planets

LBK473.1 is a large terrestrial planet (7808 km radius) which orbits its star in 399 Earth days, one day on LBK473.1 lasts 11 Earth hours. Its average temperature is 1305 K (1032 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
LBK473.2 is a very small terrestrial planet (2928 km radius) which orbits its star in 733 Earth days, one day on LBK473.2 lasts 36 Earth hours. Its average temperature is 1160 K (887 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
LBK473.3 is a small terrestrial planet (4475 km radius) which orbits its star in 1348 Earth days, one day on LBK473.3 lasts 19 Earth hours. Its average temperature is 773 K (500 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
LBK473.4 is a huge terrestrial planet (12294 km radius) which orbits its star in 2476 Earth days, one day on LBK473.4 lasts 8 Earth hours. Its average temperature is 1114 K (841 C), its atmosphere mainly consists of hydrogen and it has 116 moons.
LBK473.5 is a large gas giant (62571 km radius) which orbits its star in 30295 Earth days, one day on LBK473.5 lasts 7 Earth hours. Its average temperature is 1043 K (770 C), its atmosphere mainly consists of hydrogen and it has 107 moons.
LBK473.6 is a large gas giant (58066 km radius) which orbits its star in 55656 Earth days, one day on LBK473.6 lasts 7 Earth hours. Its average temperature is 1673 K (1400 C), its atmosphere mainly consists of hydrogen and it has 87 moons.
LBK473.7 is a large gas giant (43757 km radius) which orbits its star in 102247 Earth days, one day on LBK473.7 lasts 7 Earth hours. Its average temperature is 1780 K (1507 C), its atmosphere mainly consists of hydrogen and it has 162 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LBK473.1LBK473.2LBK473.3LBK473.4LBK473.5
distance from star:73*106 km110*106 km165*106 km248*106 km1320*106 km
radius:7808 km2928 km4475 km12294 km62571 km
mass:3808*1021 kg200*1021 kg716*1021 kg14865*1021 kg1959788*1021 kg
surface gravity: 4.16 m/s2
0.42 Earths
1.55 m/s2
0.15 Earths
2.38 m/s2
0.24 Earths
6.56 m/s2
0.67 Earths
33.4 m/s2
3.41 Earths
escape velocity:8.068 km/s3.019 km/s4.621 km/s12.70 km/s64.65 km/s
year: 870 LBK473.1 days
399 Earth days
488 LBK473.2 days
733 Earth days
1702 LBK473.3 days
1348 Earth days
7428 LBK473.4 days
2476 Earth days
103868 LBK473.5 days
30295 Earth days
day:11 hrs36 hrs19 hrs8 hrs7 hrs
axial tilt:29°22°63°
temperature:1305 K
1032 C
1160 K
887 C
773 K
500 C
1114 K
841 C
1043 K
770 C
atmosphere:86% N2
11% O2
3% CO2
0% other
81% N2
15% O2
4% CO2
0% other
5% H2
2% He
57% N2
34% O2
2% CO2
0% other
96% H2
4% He
0% other
97% H2
3% He
0% other
moons:211116107
rings:010217

planet:LBK473.6LBK473.7
distance from star:1981*106 km2971*106 km
radius:58066 km43757 km
mass:1566230*1021 kg670243*1021 kg
surface gravity: 31.0 m/s2
3.16 Earths
23.3 m/s2
2.38 Earths
escape velocity:60.00 km/s45.21 km/s
year: 190820 LBK473.6 days
55656 Earth days
350561 LBK473.7 days
102247 Earth days
day:7 hrs7 hrs
axial tilt:
temperature:1673 K
1400 C
1780 K
1507 C
atmosphere:94% H2
6% He
0% other
92% H2
8% He
0% other
moons:87162
rings:1319

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