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LHB543: red dwarf star with 4 planets

 
LHB543.1
 
LHB543.2
  LHB543.3   LHB543.4  

Solar system 'LHB543' comprises the star 'LHB543' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 65 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LHB543', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. LHB543 is located more than 3064 lightyears from the center of the galaxy.

LHB543.3, the third planet in this system, may feature life forms. Its average temperature is 323K (50C) and it's atmosphere contains 47% of oxygen. One year on LHB543.3 lasts 444 days, one day lasts 8 hours. It's diameter is 15424 km, 1.2 times the diameter of the Earth.

This solar system comprises 4 planets

LHB543.1 is a very large terrestrial planet (11988 km radius) which orbits its star in 2 Earth days, one day on LHB543.1 lasts 5 Earth hours. Its average temperature is 1001 K (728 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
LHB543.2 is a large terrestrial planet (8183 km radius) which orbits its star in 242 Earth days, one day on LHB543.2 lasts 7 Earth hours. Its average temperature is 485 K (212 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
LHB543.3 is a large terrestrial planet (7712 km radius) which orbits its star in 444 Earth days, one day on LHB543.3 lasts 8 Earth hours. Its average temperature is 323 K (50 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 6 moons.
LHB543.4 is a very large terrestrial planet (9043 km radius) which orbits its star in 817 Earth days, one day on LHB543.4 lasts 7 Earth hours. Its average temperature is 191 K (-82 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 42 moons.
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Planetary Statistics

planet:LHB543.1LHB543.2LHB543.3LHB543.4
distance from star:2*106 km52*106 km79*106 km118*106 km
radius:11988 km8183 km7712 km9043 km
mass:13782*1021 kg4383*1021 kg3669*1021 kg5915*1021 kg
surface gravity: 6.40 m/s2
0.65 Earths
4.36 m/s2
0.44 Earths
4.11 m/s2
0.42 Earths
4.82 m/s2
0.49 Earths
escape velocity:12.38 km/s8.455 km/s7.969 km/s9.344 km/s
year: 9 LHB543.1 days
2 Earth days
829 LHB543.2 days
242 Earth days
1332 LHB543.3 days
444 Earth days
2801 LHB543.4 days
817 Earth days
day:5 hrs7 hrs8 hrs7 hrs
axial tilt:24°25°10°
temperature:1001 K
728 C
485 K
212 C
323 K
50 C
191 K
-82 C
atmosphere:87% N2
8% O2
5% CO2
0% other
76% N2
21% O2
3% CO2
0% other
11% H2
2% He
39% N2
47% O2
1% CO2
0% other
45% N2
55% CO2
0% other
moons:017642
rings:2400

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