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WKH170: red dwarf star with 7 planets

 
WKH170.1
  WKH170.2   WKH170.3   WKH170.4   WKH170.5   WKH170.6  
WKH170.7
 

Solar system 'WKH170' comprises the star 'WKH170' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 209 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'WKH170', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. WKH170 is located more than 3925 lightyears from the center of the galaxy.

This solar system comprises 7 planets

WKH170.1 is a very small terrestrial planet (2233 km radius) which orbits its star in 1 Earth days, one day on WKH170.1 lasts 57 Earth hours. Its average temperature is 1931 K (1658 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
WKH170.2 is a large terrestrial planet (8735 km radius) which orbits its star in 135 Earth days, one day on WKH170.2 lasts 10 Earth hours. Its average temperature is 1503 K (1230 C), its atmosphere mainly consists of nitrogen, oxygen and it has 11 moons.
WKH170.3 is a large terrestrial planet (7351 km radius) which orbits its star in 262 Earth days, one day on WKH170.3 lasts 11 Earth hours. Its average temperature is 932 K (659 C), its atmosphere mainly consists of nitrogen and it has 13 moons.
WKH170.4 is a medium terrestrial planet (5706 km radius) which orbits its star in 483 Earth days, one day on WKH170.4 lasts 14 Earth hours. Its average temperature is 552 K (279 C), its atmosphere mainly consists of nitrogen and it has 6 moons.
WKH170.5 is a medium terrestrial planet (6171 km radius) which orbits its star in 1062 Earth days, one day on WKH170.5 lasts 13 Earth hours. Its average temperature is 241 K (-32 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 25 moons.
WKH170.6 is a very large terrestrial planet (10905 km radius) which orbits its star in 1951 Earth days, one day on WKH170.6 lasts 9 Earth hours. Its average temperature is 128 K (-145 C), its atmosphere mainly consists of nitrogen, oxygen and it has 46 moons.
WKH170.7 is a very large terrestrial planet (9034 km radius) which orbits its star in 9173 Earth days, one day on WKH170.7 lasts 10 Earth hours. Its average temperature is 1000 K (727 C), its atmosphere mainly consists of hydrogen, helium and it has 108 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:WKH170.1WKH170.2WKH170.3WKH170.4WKH170.5
distance from star:1*106 km35*106 km55*106 km83*106 km141*106 km
radius:2233 km8735 km7351 km5706 km6171 km
mass:89*1021 kg5331*1021 kg3177*1021 kg1486*1021 kg1879*1021 kg
surface gravity: 1.19 m/s2
0.12 Earths
4.66 m/s2
0.47 Earths
3.92 m/s2
0.40 Earths
3.04 m/s2
0.31 Earths
3.29 m/s2
0.33 Earths
escape velocity:2.306 km/s9.025 km/s7.595 km/s5.896 km/s6.375 km/s
year: 0 WKH170.1 days
1 Earth days
324 WKH170.2 days
135 Earth days
571 WKH170.3 days
262 Earth days
828 WKH170.4 days
483 Earth days
1960 WKH170.5 days
1062 Earth days
day:57 hrs10 hrs11 hrs14 hrs13 hrs
axial tilt:28°19°14°
temperature:1931 K
1658 C
1503 K
1230 C
932 K
659 C
552 K
279 C
241 K
-32 C
atmosphere:51% N2
48% O2
1% CO2
0% other
80% N2
20% O2
0% other
90% N2
8% O2
2% CO2
0% other
86% N2
6% O2
8% CO2
0% other
47% N2
53% CO2
0% other
moons:01113625
rings:60000

planet:WKH170.6WKH170.7
distance from star:212*106 km595*106 km
radius:10905 km9034 km
mass:10374*1021 kg5898*1021 kg
surface gravity: 5.82 m/s2
0.59 Earths
4.82 m/s2
0.49 Earths
escape velocity:11.26 km/s9.335 km/s
year: 5202 WKH170.6 days
1951 Earth days
22015 WKH170.7 days
9173 Earth days
day:9 hrs10 hrs
axial tilt:22°
temperature:128 K
-145 C
1000 K
727 C
atmosphere:7% H2
2% He
46% N2
45% O2
0% other
77% H2
23% He
0% other
moons:46108
rings:03

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