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QJK791: red dwarf star with 8 planets

  QJK791.1   QJK791.2   QJK791.3   QJK791.4   QJK791.5  
QJK791.6
 
QJK791.7
  QJK791.8  

Solar system 'QJK791' comprises the star 'QJK791' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 467 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'QJK791', a red dwarf class star that contains about 99.71% of the system's known mass and dominates it gravitationally. QJK791 is located more than 2705 lightyears from the center of the galaxy.

This solar system comprises 8 planets

QJK791.1 is a large terrestrial planet (7889 km radius) which orbits its star in 173 Earth days, one day on QJK791.1 lasts 12 Earth hours. Its average temperature is 379 K (106 C), its atmosphere mainly consists of nitrogen, oxygen and it has 7 moons.
QJK791.2 is a large terrestrial planet (8132 km radius) which orbits its star in 614 Earth days, one day on QJK791.2 lasts 11 Earth hours. Its average temperature is 140 K (-133 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 12 moons.
QJK791.3 is a large terrestrial planet (8187 km radius) which orbits its star in 1129 Earth days, one day on QJK791.3 lasts 11 Earth hours. Its average temperature is 93 K (-180 C), its atmosphere mainly consists of nitrogen and it has 26 moons.
QJK791.4 is a very large terrestrial planet (10372 km radius) which orbits its star in 2465 Earth days, one day on QJK791.4 lasts 10 Earth hours. Its average temperature is 44 K (-229 C), its atmosphere mainly consists of nitrogen and it has 35 moons.
QJK791.5 is a very large terrestrial planet (10600 km radius) which orbits its star in 4529 Earth days, one day on QJK791.5 lasts 10 Earth hours. Its average temperature is 24 K (-249 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 32 moons.
QJK791.6 is a large terrestrial planet (7630 km radius) which orbits its star in 12682 Earth days, one day on QJK791.6 lasts 12 Earth hours. Its average temperature is 1200 K (927 C), its atmosphere mainly consists of hydrogen, helium and it has 161 moons.
QJK791.7 is a large gas giant (60275 km radius) which orbits its star in 144438 Earth days, one day on QJK791.7 lasts 8 Earth hours. Its average temperature is 1487 K (1214 C), its atmosphere mainly consists of hydrogen and it has 171 moons.
QJK791.8 is a small terrestrial planet (4021 km radius) which orbits its star in 189869 Earth days, one day on QJK791.8 lasts 23 Earth hours. Its average temperature is 1666 K (1393 C), its atmosphere mainly consists of and it has 23 moons.
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Planetary Statistics

planet:QJK791.1QJK791.2QJK791.3QJK791.4QJK791.5
distance from star:42*106 km98*106 km147*106 km248*106 km372*106 km
radius:7889 km8132 km8187 km10372 km10600 km
mass:3927*1021 kg4302*1021 kg4389*1021 kg8926*1021 kg9528*1021 kg
surface gravity: 4.21 m/s2
0.43 Earths
4.34 m/s2
0.44 Earths
4.37 m/s2
0.44 Earths
5.53 m/s2
0.56 Earths
5.65 m/s2
0.57 Earths
escape velocity:8.151 km/s8.403 km/s8.459 km/s10.71 km/s10.95 km/s
year: 346 QJK791.1 days
173 Earth days
1339 QJK791.2 days
614 Earth days
2463 QJK791.3 days
1129 Earth days
5916 QJK791.4 days
2465 Earth days
10869 QJK791.5 days
4529 Earth days
day:12 hrs11 hrs11 hrs10 hrs10 hrs
axial tilt:18°225°236°219°
temperature:379 K
106 C
140 K
-133 C
93 K
-180 C
44 K
-229 C
24 K
-249 C
atmosphere:1% He
74% N2
22% O2
3% CO2
0% other
25% H2
3% He
22% N2
49% O2
1% CO2
0% other
82% N2
9% O2
9% CO2
0% other
89% N2
10% O2
1% CO2
0% other
11% H2
2% He
47% N2
40% O2
0% other
moons:712263532
rings:00000

planet:QJK791.6QJK791.7QJK791.8
distance from star:739*106 km3741*106 km4489*106 km
radius:7630 km60275 km4021 km
mass:3553*1021 kg1751869*1021 kg520*1021 kg
surface gravity: 4.07 m/s2
0.41 Earths
32.1 m/s2
3.28 Earths
2.14 m/s2
0.21 Earths
escape velocity:7.884 km/s62.28 km/s4.154 km/s
year: 25364 QJK791.6 days
12682 Earth days
433314 QJK791.7 days
144438 Earth days
198124 QJK791.8 days
189869 Earth days
day:12 hrs8 hrs23 hrs
axial tilt:76°355°
temperature:1200 K
927 C
1487 K
1214 C
1666 K
1393 C
atmosphere:77% H2
23% He
0% other
91% H2
9% He
0% other
100% other
moons:16117123
rings:23120

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