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QJK744: red dwarf star with 4 planets

 
QJK744.1
 
QJK744.2
  QJK744.3  
QJK744.4
 

Solar system 'QJK744' comprises the star 'QJK744' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 307 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'QJK744', a red dwarf class star that contains about 99.28% of the system's known mass and dominates it gravitationally. QJK744 is located more than 2705 lightyears from the center of the galaxy.

This solar system comprises 4 planets

QJK744.1 is a very large terrestrial planet (10773 km radius) which orbits its star in 36 Earth days, one day on QJK744.1 lasts 6 Earth hours. Its average temperature is 1076 K (803 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 5 moons.
QJK744.2 is a large gas giant (62179 km radius) which orbits its star in 8518 Earth days, one day on QJK744.2 lasts 4 Earth hours. Its average temperature is 1319 K (1046 C), its atmosphere mainly consists of hydrogen and it has 126 moons.
QJK744.3 is a large gas giant (49416 km radius) which orbits its star in 50017 Earth days, one day on QJK744.3 lasts 4 Earth hours. Its average temperature is 1087 K (814 C), its atmosphere mainly consists of hydrogen, helium and it has 86 moons.
QJK744.4 is a medium gas giant (31868 km radius) which orbits its star in 116196 Earth days, one day on QJK744.4 lasts 4 Earth hours. Its average temperature is 1421 K (1148 C), its atmosphere mainly consists of hydrogen and it has 90 moons.
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Planetary Orbits

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Planetary Statistics

planet:QJK744.1QJK744.2QJK744.3QJK744.4
distance from star:14*106 km566*106 km1844*106 km3236*106 km
radius:10773 km62179 km49416 km31868 km
mass:10002*1021 kg1923185*1021 kg965367*1021 kg258913*1021 kg
surface gravity: 5.75 m/s2
0.58 Earths
33.1 m/s2
3.38 Earths
26.3 m/s2
2.68 Earths
17.0 m/s2
1.73 Earths
escape velocity:11.13 km/s64.25 km/s51.06 km/s32.93 km/s
year: 144 QJK744.1 days
36 Earth days
51108 QJK744.2 days
8518 Earth days
300102 QJK744.3 days
50017 Earth days
697176 QJK744.4 days
116196 Earth days
day:6 hrs4 hrs4 hrs4 hrs
axial tilt:27°
temperature:1076 K
803 C
1319 K
1046 C
1087 K
814 C
1421 K
1148 C
atmosphere:82% N2
4% O2
14% CO2
0% other
98% H2
2% He
0% other
87% H2
13% He
0% other
93% H2
7% He
0% other
moons:51268690
rings:22307

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