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LAA684: red dwarf star with 8 planets

 
LAA684.1
  LAA684.2   LAA684.3   LAA684.4  
LAA684.5
 
LAA684.6
  LAA684.7  
LAA684.8
 

Solar system 'LAA684' comprises the star 'LAA684' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 433 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LAA684', a red dwarf class star that contains about 99.63% of the system's known mass and dominates it gravitationally. LAA684 is located more than 5138 lightyears from the center of the galaxy.

LAA684.1, the first planet in this system, may feature life forms. Its average temperature is 255K (-18C) and it's atmosphere contains 21% of oxygen. One year on LAA684.1 lasts 352 days, one day lasts 10 hours. It's diameter is 19300 km, 1.5 times the diameter of the Earth.

This solar system comprises 8 planets

LAA684.1 is a very large terrestrial planet (9650 km radius) which orbits its star in 352 Earth days, one day on LAA684.1 lasts 10 Earth hours. Its average temperature is 255 K (-18 C), its atmosphere mainly consists of nitrogen, oxygen and it has 23 moons.
LAA684.2 is a small terrestrial planet (4012 km radius) which orbits its star in 646 Earth days, one day on LAA684.2 lasts 23 Earth hours. Its average temperature is 226 K (-47 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
LAA684.3 is a small terrestrial planet (3452 km radius) which orbits its star in 1188 Earth days, one day on LAA684.3 lasts 28 Earth hours. Its average temperature is 151 K (-122 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
LAA684.4 is a small terrestrial planet (3608 km radius) which orbits its star in 2183 Earth days, one day on LAA684.4 lasts 27 Earth hours. Its average temperature is 89 K (-184 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LAA684.5 is a large gas giant (54685 km radius) which orbits its star in 69711 Earth days, one day on LAA684.5 lasts 8 Earth hours. Its average temperature is 1382 K (1109 C), its atmosphere mainly consists of hydrogen and it has 123 moons.
LAA684.6 is a large gas giant (62052 km radius) which orbits its star in 128068 Earth days, one day on LAA684.6 lasts 8 Earth hours. Its average temperature is 1807 K (1534 C), its atmosphere mainly consists of hydrogen, helium and it has 110 moons.
LAA684.7 is a large gas giant (44953 km radius) which orbits its star in 235277 Earth days, one day on LAA684.7 lasts 8 Earth hours. Its average temperature is 1039 K (766 C), its atmosphere mainly consists of hydrogen, helium and it has 114 moons.
LAA684.8 is a large terrestrial planet (7372 km radius) which orbits its star in 309280 Earth days, one day on LAA684.8 lasts 12 Earth hours. Its average temperature is 1104 K (831 C), its atmosphere mainly consists of and it has 57 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LAA684.1LAA684.2LAA684.3LAA684.4LAA684.5
distance from star:67*106 km101*106 km152*106 km228*106 km2301*106 km
radius:9650 km4012 km3452 km3608 km54685 km
mass:7189*1021 kg516*1021 kg329*1021 kg375*1021 kg1308261*1021 kg
surface gravity: 5.15 m/s2
0.52 Earths
2.13 m/s2
0.21 Earths
1.84 m/s2
0.18 Earths
1.92 m/s2
0.19 Earths
29.1 m/s2
2.97 Earths
escape velocity:9.972 km/s4.143 km/s3.566 km/s3.724 km/s56.51 km/s
year: 844 LAA684.1 days
352 Earth days
674 LAA684.2 days
646 Earth days
1018 LAA684.3 days
1188 Earth days
1940 LAA684.4 days
2183 Earth days
209133 LAA684.5 days
69711 Earth days
day:10 hrs23 hrs28 hrs27 hrs8 hrs
axial tilt:20°16°11°298°84°
temperature:255 K
-18 C
226 K
-47 C
151 K
-122 C
89 K
-184 C
1382 K
1109 C
atmosphere:1% He
74% N2
21% O2
4% CO2
0% other
4% H2
1% He
53% N2
41% O2
1% CO2
0% other
76% N2
22% O2
2% CO2
0% other
70% N2
30% O2
0% other
100% H2
0% other
moons:23330123
rings:400020

planet:LAA684.6LAA684.7LAA684.8
distance from star:3452*106 km5179*106 km6215*106 km
radius:62052 km44953 km7372 km
mass:1911425*1021 kg726718*1021 kg3205*1021 kg
surface gravity: 33.1 m/s2
3.38 Earths
24.0 m/s2
2.45 Earths
3.93 m/s2
0.40 Earths
escape velocity:64.12 km/s46.45 km/s7.617 km/s
year: 384204 LAA684.6 days
128068 Earth days
705831 LAA684.7 days
235277 Earth days
618560 LAA684.8 days
309280 Earth days
day:8 hrs8 hrs12 hrs
axial tilt:29°
temperature:1807 K
1534 C
1039 K
766 C
1104 K
831 C
atmosphere:87% H2
13% He
0% other
78% H2
22% He
0% other
100% other
moons:11011457
rings:2104

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