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WKH171: red dwarf star with 11 planets

  WKH171.1  
WKH171.2
  WKH171.3  
WKH171.4
  WKH171.5  
WKH171.6
 
WKH171.7
  WKH171.8   WKH171.9   WKH171.10  
WKH171.11
 

Solar system 'WKH171' comprises the star 'WKH171' and the retinue of celestial objects gravitationally bound to it: 11 planets and their 331 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'WKH171', a red dwarf class star that contains about 98.98% of the system's known mass and dominates it gravitationally. WKH171 is located more than 3925 lightyears from the center of the galaxy.

This solar system comprises 11 planets

WKH171.1 is a very small terrestrial planet (2178 km radius) which orbits its star in 9 Earth days, one day on WKH171.1 lasts 64 Earth hours. Its average temperature is 1261 K (988 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
WKH171.2 is a very small terrestrial planet (2347 km radius) which orbits its star in 26 Earth days, one day on WKH171.2 lasts 56 Earth hours. Its average temperature is 1337 K (1064 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
WKH171.3 is a very large terrestrial planet (11139 km radius) which orbits its star in 90 Earth days, one day on WKH171.3 lasts 13 Earth hours. Its average temperature is 1601 K (1328 C), its atmosphere mainly consists of nitrogen, oxygen and it has 9 moons.
WKH171.4 is a very large terrestrial planet (9437 km radius) which orbits its star in 310 Earth days, one day on WKH171.4 lasts 13 Earth hours. Its average temperature is 410 K (137 C), its atmosphere mainly consists of nitrogen, oxygen and it has 8 moons.
WKH171.5 is a large terrestrial planet (7522 km radius) which orbits its star in 818 Earth days, one day on WKH171.5 lasts 15 Earth hours. Its average temperature is 140 K (-133 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
WKH171.6 is a medium terrestrial planet (5866 km radius) which orbits its star in 1504 Earth days, one day on WKH171.6 lasts 18 Earth hours. Its average temperature is 74 K (-199 C), its atmosphere mainly consists of nitrogen, oxygen and it has 15 moons.
WKH171.7 is a huge terrestrial planet (12797 km radius) which orbits its star in 4161 Earth days, one day on WKH171.7 lasts 12 Earth hours. Its average temperature is 1973 K (1700 C), its atmosphere mainly consists of hydrogen and it has 63 moons.
WKH171.8 is a small gas giant (19626 km radius) which orbits its star in 23936 Earth days, one day on WKH171.8 lasts 11 Earth hours. Its average temperature is 1407 K (1134 C), its atmosphere mainly consists of hydrogen, helium and it has 42 moons.
WKH171.9 is a large gas giant (77181 km radius) which orbits its star in 112504 Earth days, one day on WKH171.9 lasts 11 Earth hours. Its average temperature is 1053 K (780 C), its atmosphere mainly consists of hydrogen and it has 124 moons.
WKH171.10 is a medium terrestrial planet (6406 km radius) which orbits its star in 147890 Earth days, one day on WKH171.10 lasts 17 Earth hours. Its average temperature is 1462 K (1189 C), its atmosphere mainly consists of and it has 45 moons.
WKH171.11 is a large terrestrial planet (8557 km radius) which orbits its star in 194407 Earth days, one day on WKH171.11 lasts 14 Earth hours. Its average temperature is 1214 K (941 C), its atmosphere mainly consists of and it has 23 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:WKH171.1WKH171.2WKH171.3WKH171.4WKH171.5
distance from star:6*106 km12*106 km27*106 km62*106 km118*106 km
radius:2178 km2347 km11139 km9437 km7522 km
mass:82*1021 kg103*1021 kg11056*1021 kg6723*1021 kg3404*1021 kg
surface gravity: 1.15 m/s2
0.11 Earths
1.24 m/s2
0.12 Earths
5.94 m/s2
0.60 Earths
5.03 m/s2
0.51 Earths
4.01 m/s2
0.41 Earths
escape velocity:2.241 km/s2.420 km/s11.51 km/s9.751 km/s7.772 km/s
year: 3 WKH171.1 days
9 Earth days
11 WKH171.2 days
26 Earth days
166 WKH171.3 days
90 Earth days
572 WKH171.4 days
310 Earth days
1308 WKH171.5 days
818 Earth days
day:64 hrs56 hrs13 hrs13 hrs15 hrs
axial tilt:10°22°
temperature:1261 K
988 C
1337 K
1064 C
1601 K
1328 C
410 K
137 C
140 K
-133 C
atmosphere:4% H2
1% He
71% N2
23% O2
1% CO2
0% other
53% N2
46% O2
1% CO2
0% other
10% H2
3% He
49% N2
37% O2
1% CO2
0% other
75% N2
21% O2
4% CO2
0% other
81% N2
13% O2
6% CO2
0% other
moons:00982
rings:06040

planet:WKH171.6WKH171.7WKH171.8WKH171.9WKH171.10
distance from star:178*106 km351*106 km1128*106 km3167*106 km3800*106 km
radius:5866 km12797 km19626 km77181 km6406 km
mass:1614*1021 kg16765*1021 kg60476*1021 kg3678080*1021 kg2103*1021 kg
surface gravity: 3.13 m/s2
0.32 Earths
6.83 m/s2
0.69 Earths
10.4 m/s2
1.06 Earths
41.2 m/s2
4.21 Earths
3.42 m/s2
0.34 Earths
escape velocity:6.060 km/s13.22 km/s20.28 km/s79.75 km/s6.619 km/s
year: 2005 WKH171.6 days
1504 Earth days
8322 WKH171.7 days
4161 Earth days
52224 WKH171.8 days
23936 Earth days
245463 WKH171.9 days
112504 Earth days
208785 WKH171.10 days
147890 Earth days
day:18 hrs12 hrs11 hrs11 hrs17 hrs
axial tilt:15°
temperature:74 K
-199 C
1973 K
1700 C
1407 K
1134 C
1053 K
780 C
1462 K
1189 C
atmosphere:4% H2
1% He
56% N2
38% O2
1% CO2
0% other
100% H2
0% other
77% H2
23% He
0% other
97% H2
3% He
0% other
100% other
moons:15634212445
rings:610000

planet:WKH171.11
distance from star:4560*106 km
radius:8557 km
mass:5012*1021 kg
surface gravity: 4.56 m/s2
0.46 Earths
escape velocity:8.842 km/s
year: 333269 WKH171.11 days
194407 Earth days
day:14 hrs
axial tilt:16°
temperature:1214 K
941 C
atmosphere:100% other
moons:23
rings:11

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