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WKJ121: red dwarf star with 7 planets

 
WKJ121.1
 
WKJ121.2
 
WKJ121.3
 
WKJ121.4
 
WKJ121.5
  WKJ121.6  
WKJ121.7
 

Solar system 'WKJ121' comprises the star 'WKJ121' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 805 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'WKJ121', a red dwarf class star that contains about 99.18% of the system's known mass and dominates it gravitationally. WKJ121 is located more than 4158 lightyears from the center of the galaxy.

This solar system comprises 7 planets

WKJ121.1 is a very large terrestrial planet (10263 km radius) which orbits its star in 401 Earth days, one day on WKJ121.1 lasts 9 Earth hours. Its average temperature is 135 K (-138 C), its atmosphere mainly consists of nitrogen, oxygen and it has 35 moons.
WKJ121.2 is a very large terrestrial planet (11286 km radius) which orbits its star in 9936 Earth days, one day on WKJ121.2 lasts 8 Earth hours. Its average temperature is 1355 K (1082 C), its atmosphere mainly consists of hydrogen and it has 99 moons.
WKJ121.3 is a large gas giant (75901 km radius) which orbits its star in 106190 Earth days, one day on WKJ121.3 lasts 7 Earth hours. Its average temperature is 1585 K (1312 C), its atmosphere mainly consists of hydrogen, helium and it has 132 moons.
WKJ121.4 is a large gas giant (61822 km radius) which orbits its star in 203984 Earth days, one day on WKJ121.4 lasts 7 Earth hours. Its average temperature is 1486 K (1213 C), its atmosphere mainly consists of hydrogen, helium and it has 138 moons.
WKJ121.5 is a medium gas giant (26271 km radius) which orbits its star in 374743 Earth days, one day on WKJ121.5 lasts 7 Earth hours. Its average temperature is 1096 K (823 C), its atmosphere mainly consists of hydrogen, helium and it has 116 moons.
WKJ121.6 is a medium gas giant (23488 km radius) which orbits its star in 688448 Earth days, one day on WKJ121.6 lasts 7 Earth hours. Its average temperature is 1411 K (1138 C), its atmosphere mainly consists of hydrogen and it has 138 moons.
WKJ121.7 is a huge terrestrial planet (14561 km radius) which orbits its star in 1264760 Earth days, one day on WKJ121.7 lasts 8 Earth hours. Its average temperature is 1111 K (838 C), its atmosphere mainly consists of hydrogen, helium and it has 147 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:WKJ121.1WKJ121.2WKJ121.3WKJ121.4WKJ121.5
distance from star:73*106 km628*106 km3047*106 km4709*106 km7063*106 km
radius:10263 km11286 km75901 km61822 km26271 km
mass:8647*1021 kg11500*1021 kg3498102*1021 kg1890249*1021 kg145050*1021 kg
surface gravity: 5.47 m/s2
0.55 Earths
6.02 m/s2
0.61 Earths
40.5 m/s2
4.14 Earths
33.0 m/s2
3.37 Earths
14.0 m/s2
1.43 Earths
escape velocity:10.60 km/s11.66 km/s78.43 km/s63.88 km/s27.14 km/s
year: 1069 WKJ121.1 days
401 Earth days
29808 WKJ121.2 days
9936 Earth days
364080 WKJ121.3 days
106190 Earth days
699373 WKJ121.4 days
203984 Earth days
1284833 WKJ121.5 days
374743 Earth days
day:9 hrs8 hrs7 hrs7 hrs7 hrs
axial tilt:18°27°50°
temperature:135 K
-138 C
1355 K
1082 C
1585 K
1312 C
1486 K
1213 C
1096 K
823 C
atmosphere:2% He
49% N2
48% O2
1% CO2
0% other
100% H2
0% other
82% H2
18% He
0% other
84% H2
16% He
0% other
78% H2
22% He
0% other
moons:3599132138116
rings:32191824

planet:WKJ121.6WKJ121.7
distance from star:10595*106 km15893*106 km
radius:23488 km14561 km
mass:103664*1021 kg24698*1021 kg
surface gravity: 12.5 m/s2
1.27 Earths
7.77 m/s2
0.79 Earths
escape velocity:24.27 km/s15.04 km/s
year: 2360393 WKJ121.6 days
688448 Earth days
3794280 WKJ121.7 days
1264760 Earth days
day:7 hrs8 hrs
axial tilt:
temperature:1411 K
1138 C
1111 K
838 C
atmosphere:97% H2
3% He
0% other
86% H2
14% He
0% other
moons:138147
rings:02

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