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LKH563: red dwarf star with 8 planets

 
LKH563.1
  LKH563.2   LKH563.3   LKH563.4   LKH563.5   LKH563.6   LKH563.7  
LKH563.8
 

Solar system 'LKH563' comprises the star 'LKH563' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 195 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LKH563', a red dwarf class star that contains about 99.64% of the system's known mass and dominates it gravitationally. LKH563 is located more than 2585 lightyears from the center of the galaxy.

This solar system comprises 8 planets

LKH563.1 is a large terrestrial planet (8510 km radius) which orbits its star in 34 Earth days, one day on LKH563.1 lasts 11 Earth hours. Its average temperature is 1261 K (988 C), its atmosphere mainly consists of nitrogen and it has 4 moons.
LKH563.2 is a very small terrestrial planet (2023 km radius) which orbits its star in 63 Earth days, one day on LKH563.2 lasts 69 Earth hours. Its average temperature is 1121 K (848 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LKH563.3 is a medium terrestrial planet (5995 km radius) which orbits its star in 453 Earth days, one day on LKH563.3 lasts 14 Earth hours. Its average temperature is 486 K (213 C), its atmosphere mainly consists of nitrogen, oxygen and it has 8 moons.
LKH563.4 is a large terrestrial planet (8719 km radius) which orbits its star in 1366 Earth days, one day on LKH563.4 lasts 11 Earth hours. Its average temperature is 148 K (-125 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 9 moons.
LKH563.5 is a small terrestrial planet (4788 km radius) which orbits its star in 2510 Earth days, one day on LKH563.5 lasts 18 Earth hours. Its average temperature is 82 K (-191 C), its atmosphere mainly consists of nitrogen, oxygen and it has 20 moons.
LKH563.6 is a medium terrestrial planet (6219 km radius) which orbits its star in 4612 Earth days, one day on LKH563.6 lasts 14 Earth hours. Its average temperature is 44 K (-229 C), its atmosphere mainly consists of nitrogen, oxygen and it has 15 moons.
LKH563.7 is a medium terrestrial planet (6921 km radius) which orbits its star in 8474 Earth days, one day on LKH563.7 lasts 13 Earth hours. Its average temperature is 22 K (-251 C), its atmosphere mainly consists of nitrogen, oxygen and it has 27 moons.
LKH563.8 is a large gas giant (75689 km radius) which orbits its star in 19455 Earth days, one day on LKH563.8 lasts 8 Earth hours. Its average temperature is 1021 K (748 C), its atmosphere mainly consists of hydrogen, helium and it has 112 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LKH563.1LKH563.2LKH563.3LKH563.4LKH563.5
distance from star:14*106 km21*106 km80*106 km167*106 km251*106 km
radius:8510 km2023 km5995 km8719 km4788 km
mass:4930*1021 kg66*1021 kg1723*1021 kg5302*1021 kg878*1021 kg
surface gravity: 4.54 m/s2
0.46 Earths
1.07 m/s2
0.10 Earths
3.19 m/s2
0.32 Earths
4.65 m/s2
0.47 Earths
2.55 m/s2
0.26 Earths
escape velocity:8.793 km/s2.086 km/s6.193 km/s9.009 km/s4.947 km/s
year: 74 LKH563.1 days
34 Earth days
21 LKH563.2 days
63 Earth days
776 LKH563.3 days
453 Earth days
2980 LKH563.4 days
1366 Earth days
3346 LKH563.5 days
2510 Earth days
day:11 hrs69 hrs14 hrs11 hrs18 hrs
axial tilt:17°62°18°355°
temperature:1261 K
988 C
1121 K
848 C
486 K
213 C
148 K
-125 C
82 K
-191 C
atmosphere:90% N2
7% O2
3% CO2
0% other
6% H2
1% He
49% N2
43% O2
1% CO2
0% other
66% N2
34% O2
0% other
85% N2
4% O2
11% CO2
0% other
6% H2
1% He
57% N2
36% O2
0% other
moons:408920
rings:20000

planet:LKH563.6LKH563.7LKH563.8
distance from star:376*106 km564*106 km983*106 km
radius:6219 km6921 km75689 km
mass:1924*1021 kg2652*1021 kg3468872*1021 kg
surface gravity: 3.32 m/s2
0.33 Earths
3.69 m/s2
0.37 Earths
40.4 m/s2
4.13 Earths
escape velocity:6.426 km/s7.151 km/s78.21 km/s
year: 7906 LKH563.6 days
4612 Earth days
15644 LKH563.7 days
8474 Earth days
58365 LKH563.8 days
19455 Earth days
day:14 hrs13 hrs8 hrs
axial tilt:158°19°
temperature:44 K
-229 C
22 K
-251 C
1021 K
748 C
atmosphere:1% H2
1% He
81% N2
12% O2
5% CO2
0% other
84% N2
15% O2
1% CO2
0% other
89% H2
11% He
0% other
moons:1527112
rings:004

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