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WKD431: red dwarf star with 9 planets

  WKD431.1   WKD431.2   WKD431.3   WKD431.4  
WKD431.5
 
WKD431.6
 
WKD431.7
 
WKD431.8
  WKD431.9  

Solar system 'WKD431' comprises the star 'WKD431' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 658 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'WKD431', a red dwarf class star that contains about 99.23% of the system's known mass and dominates it gravitationally. WKD431 is located more than 5223 lightyears from the center of the galaxy.

WKD431.1, the first planet in this system, may feature life forms. Its average temperature is 280K (7C) and it's atmosphere contains 14% of oxygen. One year on WKD431.1 lasts 270 days, one day lasts 12 hours. It's diameter is 17598 km, 1.3 times the diameter of the Earth.

This solar system comprises 9 planets

WKD431.1 is a large terrestrial planet (8799 km radius) which orbits its star in 270 Earth days, one day on WKD431.1 lasts 12 Earth hours. Its average temperature is 280 K (7 C), its atmosphere mainly consists of nitrogen, oxygen and it has 25 moons.
WKD431.2 is a large terrestrial planet (7685 km radius) which orbits its star in 540 Earth days, one day on WKD431.2 lasts 13 Earth hours. Its average temperature is 221 K (-52 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 2 moons.
WKD431.3 is a very large terrestrial planet (11190 km radius) which orbits its star in 993 Earth days, one day on WKD431.3 lasts 10 Earth hours. Its average temperature is 147 K (-126 C), its atmosphere mainly consists of nitrogen, oxygen and it has 23 moons.
WKD431.4 is a large terrestrial planet (8775 km radius) which orbits its star in 1825 Earth days, one day on WKD431.4 lasts 12 Earth hours. Its average temperature is 87 K (-186 C), its atmosphere mainly consists of nitrogen, oxygen and it has 21 moons.
WKD431.5 is a large gas giant (74289 km radius) which orbits its star in 8140 Earth days, one day on WKD431.5 lasts 9 Earth hours. Its average temperature is 1515 K (1242 C), its atmosphere mainly consists of hydrogen and it has 167 moons.
WKD431.6 is a large gas giant (42872 km radius) which orbits its star in 37485 Earth days, one day on WKD431.6 lasts 9 Earth hours. Its average temperature is 1091 K (818 C), its atmosphere mainly consists of hydrogen, helium and it has 76 moons.
WKD431.7 is a large gas giant (67873 km radius) which orbits its star in 161907 Earth days, one day on WKD431.7 lasts 9 Earth hours. Its average temperature is 1552 K (1279 C), its atmosphere mainly consists of hydrogen and it has 178 moons.
WKD431.8 is a large terrestrial planet (8565 km radius) which orbits its star in 297443 Earth days, one day on WKD431.8 lasts 12 Earth hours. Its average temperature is 1039 K (766 C), its atmosphere mainly consists of hydrogen and it has 144 moons.
WKD431.9 is a small terrestrial planet (4954 km radius) which orbits its star in 390999 Earth days, one day on WKD431.9 lasts 19 Earth hours. Its average temperature is 1957 K (1684 C), its atmosphere mainly consists of and it has 22 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:WKD431.1WKD431.2WKD431.3WKD431.4WKD431.5
distance from star:56*106 km90*106 km135*106 km202*106 km549*106 km
radius:8799 km7685 km11190 km8775 km74289 km
mass:5449*1021 kg3630*1021 kg11209*1021 kg5405*1021 kg3279922*1021 kg
surface gravity: 4.69 m/s2
0.47 Earths
4.10 m/s2
0.41 Earths
5.97 m/s2
0.61 Earths
4.68 m/s2
0.47 Earths
39.6 m/s2
4.04 Earths
escape velocity:9.091 km/s7.940 km/s11.56 km/s9.067 km/s76.76 km/s
year: 540 WKD431.1 days
270 Earth days
996 WKD431.2 days
540 Earth days
2383 WKD431.3 days
993 Earth days
3650 WKD431.4 days
1825 Earth days
21706 WKD431.5 days
8140 Earth days
day:12 hrs13 hrs10 hrs12 hrs9 hrs
axial tilt:27°26°
temperature:280 K
7 C
221 K
-52 C
147 K
-126 C
87 K
-186 C
1515 K
1242 C
atmosphere:2% H2
1% He
82% N2
14% O2
1% CO2
0% other
83% N2
5% O2
12% CO2
0% other
5% H2
2% He
70% N2
22% O2
1% CO2
0% other
72% N2
27% O2
1% CO2
0% other
100% H2
0% other
moons:2522321167
rings:000021

planet:WKD431.6WKD431.7WKD431.8WKD431.9
distance from star:1522*106 km4037*106 km6055*106 km7266*106 km
radius:42872 km67873 km8565 km4954 km
mass:630392*1021 kg2501388*1021 kg5026*1021 kg972*1021 kg
surface gravity: 22.8 m/s2
2.33 Earths
36.2 m/s2
3.70 Earths
4.57 m/s2
0.46 Earths
2.64 m/s2
0.26 Earths
escape velocity:44.30 km/s70.13 km/s8.850 km/s5.117 km/s
year: 99960 WKD431.6 days
37485 Earth days
431752 WKD431.7 days
161907 Earth days
594886 WKD431.8 days
297443 Earth days
493893 WKD431.9 days
390999 Earth days
day:9 hrs9 hrs12 hrs19 hrs
axial tilt:14°
temperature:1091 K
818 C
1552 K
1279 C
1039 K
766 C
1957 K
1684 C
atmosphere:87% H2
13% He
0% other
95% H2
5% He
0% other
100% H2
0% other
100% other
moons:7617814422
rings:52380

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