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WKJ531: yellow dwarf star with 8 planets

  WKJ531.1   WKJ531.2   WKJ531.3   WKJ531.4   WKJ531.5  
WKJ531.6
  WKJ531.7   WKJ531.8  

Solar system 'WKJ531' comprises the star 'WKJ531' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 86 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'WKJ531', a yellow dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. WKJ531 is located more than 2618 lightyears from the center of the galaxy.

WKJ531.6, the sixth planet in this system, may feature life forms. Its average temperature is 252K (-21C) and it's atmosphere contains 32% of oxygen. One year on WKJ531.6 lasts 2150 days, one day lasts 10 hours. It's diameter is 20084 km, 1.5 times the diameter of the Earth.

This solar system comprises 8 planets

WKJ531.1 is a large terrestrial planet (8967 km radius) which orbits its star in 5 Earth days, one day on WKJ531.1 lasts 11 Earth hours. Its average temperature is 1858 K (1585 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
WKJ531.2 is a medium terrestrial planet (5862 km radius) which orbits its star in 136 Earth days, one day on WKJ531.2 lasts 15 Earth hours. Its average temperature is 1658 K (1385 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
WKJ531.3 is a large terrestrial planet (7111 km radius) which orbits its star in 273 Earth days, one day on WKJ531.3 lasts 12 Earth hours. Its average temperature is 1975 K (1702 C), its atmosphere mainly consists of nitrogen, oxygen and it has 15 moons.
WKJ531.4 is a medium terrestrial planet (5824 km radius) which orbits its star in 637 Earth days, one day on WKJ531.4 lasts 15 Earth hours. Its average temperature is 853 K (580 C), its atmosphere mainly consists of nitrogen, oxygen and it has 11 moons.
WKJ531.5 is a very large terrestrial planet (9721 km radius) which orbits its star in 1170 Earth days, one day on WKJ531.5 lasts 10 Earth hours. Its average temperature is 474 K (201 C), its atmosphere mainly consists of nitrogen, oxygen and it has 30 moons.
WKJ531.6 is a very large terrestrial planet (10042 km radius) which orbits its star in 2150 Earth days, one day on WKJ531.6 lasts 10 Earth hours. Its average temperature is 252 K (-21 C), its atmosphere mainly consists of nitrogen, oxygen and it has 22 moons.
WKJ531.7 is a very small terrestrial planet (2523 km radius) which orbits its star in 3949 Earth days, one day on WKJ531.7 lasts 47 Earth hours. Its average temperature is 131 K (-142 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
WKJ531.8 is a very small terrestrial planet (2353 km radius) which orbits its star in 5192 Earth days, one day on WKJ531.8 lasts 53 Earth hours. Its average temperature is 1269 K (996 C), its atmosphere mainly consists of and it has 3 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:WKJ531.1WKJ531.2WKJ531.3WKJ531.4WKJ531.5
distance from star:4*106 km36*106 km57*106 km100*106 km150*106 km
radius:8967 km5862 km7111 km5824 km9721 km
mass:5768*1021 kg1611*1021 kg2876*1021 kg1580*1021 kg7348*1021 kg
surface gravity: 4.78 m/s2
0.48 Earths
3.12 m/s2
0.31 Earths
3.79 m/s2
0.38 Earths
3.10 m/s2
0.31 Earths
5.18 m/s2
0.52 Earths
escape velocity:9.266 km/s6.056 km/s7.347 km/s6.017 km/s10.04 km/s
year: 10 WKJ531.1 days
5 Earth days
217 WKJ531.2 days
136 Earth days
546 WKJ531.3 days
273 Earth days
1019 WKJ531.4 days
637 Earth days
2808 WKJ531.5 days
1170 Earth days
day:11 hrs15 hrs12 hrs15 hrs10 hrs
axial tilt:19°18°29°11°22°
temperature:1858 K
1585 C
1658 K
1385 C
1975 K
1702 C
853 K
580 C
474 K
201 C
atmosphere:7% H2
2% He
68% N2
23% O2
0% other
1% H2
1% He
66% N2
31% O2
1% CO2
0% other
8% H2
2% He
41% N2
48% O2
1% CO2
0% other
81% N2
16% O2
3% CO2
0% other
81% N2
19% O2
0% other
moons:11151130
rings:00000

planet:WKJ531.6WKJ531.7WKJ531.8
distance from star:226*106 km339*106 km407*106 km
radius:10042 km2523 km2353 km
mass:8101*1021 kg128*1021 kg104*1021 kg
surface gravity: 5.36 m/s2
0.54 Earths
1.34 m/s2
0.13 Earths
1.25 m/s2
0.12 Earths
escape velocity:10.37 km/s2.602 km/s2.428 km/s
year: 5160 WKJ531.6 days
2150 Earth days
2016 WKJ531.7 days
3949 Earth days
2351 WKJ531.8 days
5192 Earth days
day:10 hrs47 hrs53 hrs
axial tilt:14°
temperature:252 K
-21 C
131 K
-142 C
1269 K
996 C
atmosphere:66% N2
32% O2
2% CO2
0% other
85% N2
15% O2
0% other
100% other
moons:2233
rings:400

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