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LAD991: red dwarf star with 12 planets

  LAD991.1   LAD991.2   LAD991.3   LAD991.4   LAD991.5   LAD991.6   LAD991.7   LAD991.8   LAD991.9  
LAD991.10
 
LAD991.11
  LAD991.12  

Solar system 'LAD991' comprises the star 'LAD991' and the retinue of celestial objects gravitationally bound to it: 12 planets and their 342 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LAD991', a red dwarf class star that contains about 99.79% of the system's known mass and dominates it gravitationally. LAD991 is located more than 5535 lightyears from the center of the galaxy.

LAD991.1, the first planet in this system, may feature life forms. Its average temperature is 340K (67C) and it's atmosphere contains 49% of oxygen. One year on LAD991.1 lasts 185 days, one day lasts 14 hours. It's diameter is 18948 km, 1.4 times the diameter of the Earth.

LAD991.2, the second planet in this system, may feature life forms. Its average temperature is 302K (29C) and it's atmosphere contains 47% of oxygen. One year on LAD991.2 lasts 341 days, one day lasts 25 hours. It's diameter is 8626 km, 0.6 times the diameter of the Earth.

This solar system comprises 12 planets

LAD991.1 is a very large terrestrial planet (9474 km radius) which orbits its star in 185 Earth days, one day on LAD991.1 lasts 14 Earth hours. Its average temperature is 340 K (67 C), its atmosphere mainly consists of nitrogen, oxygen and it has 27 moons.
LAD991.2 is a small terrestrial planet (4313 km radius) which orbits its star in 341 Earth days, one day on LAD991.2 lasts 25 Earth hours. Its average temperature is 302 K (29 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 1 moons.
LAD991.3 is a very large terrestrial planet (11323 km radius) which orbits its star in 1472 Earth days, one day on LAD991.3 lasts 13 Earth hours. Its average temperature is 64 K (-209 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
LAD991.4 is a very large terrestrial planet (11667 km radius) which orbits its star in 2704 Earth days, one day on LAD991.4 lasts 13 Earth hours. Its average temperature is 38 K (-235 C), its atmosphere mainly consists of nitrogen, oxygen and it has 28 moons.
LAD991.5 is a small terrestrial planet (3886 km radius) which orbits its star in 4968 Earth days, one day on LAD991.5 lasts 28 Earth hours. Its average temperature is 21 K (-252 C), its atmosphere mainly consists of nitrogen, oxygen and it has 15 moons.
LAD991.6 is a small terrestrial planet (3878 km radius) which orbits its star in 9127 Earth days, one day on LAD991.6 lasts 28 Earth hours. Its average temperature is 11 K (-262 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
LAD991.7 is a very small terrestrial planet (2539 km radius) which orbits its star in 16767 Earth days, one day on LAD991.7 lasts 51 Earth hours. Its average temperature is 5 K (-268 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
LAD991.8 is a very small terrestrial planet (2322 km radius) which orbits its star in 30804 Earth days, one day on LAD991.8 lasts 58 Earth hours. Its average temperature is 2 K (-271 C), its atmosphere mainly consists of nitrogen and it has 12 moons.
LAD991.9 is a medium terrestrial planet (6239 km radius) which orbits its star in 56591 Earth days, one day on LAD991.9 lasts 18 Earth hours. Its average temperature is 1 K (-272 C), its atmosphere mainly consists of nitrogen, oxygen and it has 12 moons.
LAD991.10 is a large gas giant (48832 km radius) which orbits its star in 103964 Earth days, one day on LAD991.10 lasts 12 Earth hours. Its average temperature is 1076 K (803 C), its atmosphere mainly consists of hydrogen and it has 103 moons.
LAD991.11 is a medium gas giant (33812 km radius) which orbits its star in 190995 Earth days, one day on LAD991.11 lasts 12 Earth hours. Its average temperature is 1322 K (1049 C), its atmosphere mainly consists of hydrogen and it has 90 moons.
LAD991.12 is a large terrestrial planet (8879 km radius) which orbits its star in 251070 Earth days, one day on LAD991.12 lasts 15 Earth hours. Its average temperature is 1739 K (1466 C), its atmosphere mainly consists of and it has 28 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LAD991.1LAD991.2LAD991.3LAD991.4LAD991.5
distance from star:44*106 km66*106 km175*106 km263*106 km395*106 km
radius:9474 km4313 km11323 km11667 km3886 km
mass:6802*1021 kg641*1021 kg11613*1021 kg12704*1021 kg469*1021 kg
surface gravity: 5.05 m/s2
0.51 Earths
2.29 m/s2
0.23 Earths
6.04 m/s2
0.61 Earths
6.22 m/s2
0.63 Earths
2.07 m/s2
0.21 Earths
escape velocity:9.789 km/s4.454 km/s11.70 km/s12.05 km/s4.013 km/s
year: 317 LAD991.1 days
185 Earth days
327 LAD991.2 days
341 Earth days
2717 LAD991.3 days
1472 Earth days
4992 LAD991.4 days
2704 Earth days
4258 LAD991.5 days
4968 Earth days
day:14 hrs25 hrs13 hrs13 hrs28 hrs
axial tilt:18°23°15°25°16°
temperature:340 K
67 C
302 K
29 C
64 K
-209 C
38 K
-235 C
21 K
-252 C
atmosphere:1% H2
2% He
48% N2
49% O2
0% other
11% H2
3% He
39% N2
47% O2
0% other
80% N2
15% O2
5% CO2
0% other
78% N2
22% O2
0% other
82% N2
11% O2
7% CO2
0% other
moons:271192815
rings:00000

planet:LAD991.6LAD991.7LAD991.8LAD991.9LAD991.10
distance from star:593*106 km890*106 km1335*106 km2003*106 km3004*106 km
radius:3878 km2539 km2322 km6239 km48832 km
mass:466*1021 kg130*1021 kg100*1021 kg1942*1021 kg931544*1021 kg
surface gravity: 2.06 m/s2
0.21 Earths
1.34 m/s2
0.13 Earths
1.23 m/s2
0.12 Earths
3.32 m/s2
0.33 Earths
26.0 m/s2
2.65 Earths
escape velocity:4.005 km/s2.614 km/s2.397 km/s6.445 km/s50.46 km/s
year: 7823 LAD991.6 days
9127 Earth days
7890 LAD991.7 days
16767 Earth days
12746 LAD991.8 days
30804 Earth days
75454 LAD991.9 days
56591 Earth days
207928 LAD991.10 days
103964 Earth days
day:28 hrs51 hrs58 hrs18 hrs12 hrs
axial tilt:18°19°30°39°
temperature:11 K
-262 C
5 K
-268 C
2 K
-271 C
1 K
-272 C
1076 K
803 C
atmosphere:69% N2
30% O2
1% CO2
0% other
8% H2
3% He
54% N2
34% O2
1% CO2
0% other
93% N2
7% O2
0% other
77% N2
21% O2
2% CO2
0% other
98% H2
2% He
0% other
moons:251212103
rings:00009

planet:LAD991.11LAD991.12
distance from star:4507*106 km5408*106 km
radius:33812 km8879 km
mass:309244*1021 kg5599*1021 kg
surface gravity: 18.0 m/s2
1.84 Earths
4.74 m/s2
0.48 Earths
escape velocity:34.94 km/s9.174 km/s
year: 381990 LAD991.11 days
190995 Earth days
401712 LAD991.12 days
251070 Earth days
day:12 hrs15 hrs
axial tilt:164°
temperature:1322 K
1049 C
1739 K
1466 C
atmosphere:90% H2
10% He
0% other
100% other
moons:9028
rings:230

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