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QJK775: yellow dwarf star with 4 planets

 
QJK775.1
 
QJK775.2
 
QJK775.3
  QJK775.4  

Solar system 'QJK775' comprises the star 'QJK775' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 450 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'QJK775', a yellow dwarf class star that contains about 99.75% of the system's known mass and dominates it gravitationally. QJK775 is located more than 2705 lightyears from the center of the galaxy.

This solar system comprises 4 planets

QJK775.1 is a medium gas giant (29524 km radius) which orbits its star in 14704 Earth days, one day on QJK775.1 lasts 4 Earth hours. Its average temperature is 1093 K (820 C), its atmosphere mainly consists of hydrogen, helium and it has 105 moons.
QJK775.2 is a massive terrestrial planet (17085 km radius) which orbits its star in 32041 Earth days, one day on QJK775.2 lasts 4 Earth hours. Its average temperature is 1506 K (1233 C), its atmosphere mainly consists of hydrogen and it has 141 moons.
QJK775.3 is a large gas giant (66565 km radius) which orbits its star in 118927 Earth days, one day on QJK775.3 lasts 4 Earth hours. Its average temperature is 1549 K (1276 C), its atmosphere mainly consists of hydrogen, helium and it has 113 moons.
QJK775.4 is a large gas giant (70550 km radius) which orbits its star in 352940 Earth days, one day on QJK775.4 lasts 4 Earth hours. Its average temperature is 1256 K (983 C), its atmosphere mainly consists of hydrogen and it has 91 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:QJK775.1QJK775.2QJK775.3QJK775.4
distance from star:815*106 km1370*106 km3286*106 km6787*106 km
radius:29524 km17085 km66565 km70550 km
mass:205880*1021 kg39896*1021 kg2359542*1021 kg2809189*1021 kg
surface gravity: 15.7 m/s2
1.60 Earths
9.12 m/s2
0.93 Earths
35.5 m/s2
3.62 Earths
37.6 m/s2
3.84 Earths
escape velocity:30.50 km/s17.65 km/s68.78 km/s72.90 km/s
year: 88224 QJK775.1 days
14704 Earth days
192246 QJK775.2 days
32041 Earth days
713562 QJK775.3 days
118927 Earth days
2117640 QJK775.4 days
352940 Earth days
day:4 hrs4 hrs4 hrs4 hrs
axial tilt:85°
temperature:1093 K
820 C
1506 K
1233 C
1549 K
1276 C
1256 K
983 C
atmosphere:79% H2
21% He
0% other
91% H2
9% He
0% other
88% H2
12% He
0% other
93% H2
7% He
0% other
moons:10514111391
rings:1624110

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