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LBD542: yellow dwarf star with 8 planets

  LBD542.1   LBD542.2   LBD542.3  
LBD542.4
 
LBD542.5
 
LBD542.6
 
LBD542.7
  LBD542.8  

Solar system 'LBD542' is a dual star system that comprises the stars 'LBD542.A' and 'LBD542.B' and the retinue of celestial objects gravitationally bound to them: 8 planets and their 655 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'LBD542.A' and 'LBD542.B' that dominate it gravitationally. 'LBD542.A' is a yellow dwarf class star that contains about 74% of the system's known mass, 'LBD542.B' is a yellow dwarf class star that contains about 25% of the system's known mass.

System 'LBD542' is located more than 5426 lightyears from the center of the galaxy.

This solar system comprises 8 planets

LBD542.1 is a small terrestrial planet (3992 km radius) which orbits its star in 55 Earth days, one day on LBD542.1 lasts 23 Earth hours. Its average temperature is 1017 K (744 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
LBD542.2 is a small terrestrial planet (4011 km radius) which orbits its star in 218 Earth days, one day on LBD542.2 lasts 23 Earth hours. Its average temperature is 1305 K (1032 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
LBD542.3 is a large terrestrial planet (8978 km radius) which orbits its star in 515 Earth days, one day on LBD542.3 lasts 11 Earth hours. Its average temperature is 1245 K (972 C), its atmosphere mainly consists of nitrogen, oxygen and it has 14 moons.
LBD542.4 is a large gas giant (71109 km radius) which orbits its star in 111794 Earth days, one day on LBD542.4 lasts 8 Earth hours. Its average temperature is 1818 K (1545 C), its atmosphere mainly consists of hydrogen, helium and it has 118 moons.
LBD542.5 is a medium gas giant (25454 km radius) which orbits its star in 205380 Earth days, one day on LBD542.5 lasts 8 Earth hours. Its average temperature is 1695 K (1422 C), its atmosphere mainly consists of hydrogen and it has 142 moons.
LBD542.6 is a large gas giant (59999 km radius) which orbits its star in 377307 Earth days, one day on LBD542.6 lasts 8 Earth hours. Its average temperature is 1726 K (1453 C), its atmosphere mainly consists of hydrogen, helium and it has 99 moons.
LBD542.7 is a massive terrestrial planet (15175 km radius) which orbits its star in 693157 Earth days, one day on LBD542.7 lasts 9 Earth hours. Its average temperature is 1232 K (959 C), its atmosphere mainly consists of hydrogen, helium and it has 142 moons.
LBD542.8 is a large gas giant (45174 km radius) which orbits its star in 1273411 Earth days, one day on LBD542.8 lasts 8 Earth hours. Its average temperature is 1141 K (868 C), its atmosphere mainly consists of hydrogen, helium and it has 138 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LBD542.1LBD542.2LBD542.3LBD542.4LBD542.5
distance from star:19*106 km49*106 km87*106 km3153*106 km4730*106 km
radius:3992 km4011 km8978 km71109 km25454 km
mass:508*1021 kg516*1021 kg5789*1021 kg2876495*1021 kg131934*1021 kg
surface gravity: 2.12 m/s2
0.21 Earths
2.14 m/s2
0.21 Earths
4.79 m/s2
0.48 Earths
37.9 m/s2
3.87 Earths
13.5 m/s2
1.38 Earths
escape velocity:4.121 km/s4.143 km/s9.277 km/s73.48 km/s26.30 km/s
year: 57 LBD542.1 days
55 Earth days
227 LBD542.2 days
218 Earth days
1123 LBD542.3 days
515 Earth days
335382 LBD542.4 days
111794 Earth days
616140 LBD542.5 days
205380 Earth days
day:23 hrs23 hrs11 hrs8 hrs8 hrs
axial tilt:21°
temperature:1017 K
744 C
1305 K
1032 C
1245 K
972 C
1818 K
1545 C
1695 K
1422 C
atmosphere:86% N2
7% O2
7% CO2
0% other
3% H2
1% He
59% N2
36% O2
1% CO2
0% other
10% H2
2% He
62% N2
26% O2
0% other
79% H2
21% He
0% other
95% H2
5% He
0% other
moons:0214118142
rings:00076

planet:LBD542.6LBD542.7LBD542.8
distance from star:7096*106 km10644*106 km15966*106 km
radius:59999 km15175 km45174 km
mass:1727913*1021 kg27956*1021 kg737489*1021 kg
surface gravity: 32.0 m/s2
3.27 Earths
8.10 m/s2
0.82 Earths
24.1 m/s2
2.46 Earths
escape velocity:62.00 km/s15.68 km/s46.68 km/s
year: 1131921 LBD542.6 days
377307 Earth days
1848418 LBD542.7 days
693157 Earth days
3820233 LBD542.8 days
1273411 Earth days
day:8 hrs9 hrs8 hrs
axial tilt:25°
temperature:1726 K
1453 C
1232 K
959 C
1141 K
868 C
atmosphere:76% H2
24% He
0% other
83% H2
17% He
0% other
87% H2
13% He
0% other
moons:99142138
rings:19180

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