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QJK752: red giant star with 7 planets

  QJK752.1   QJK752.2   QJK752.3  
QJK752.4
  QJK752.5  
QJK752.6
 
QJK752.7
 

Solar system 'QJK752' comprises the star 'QJK752' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 520 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'QJK752', a red giant class star that contains about 99.97% of the system's known mass and dominates it gravitationally. QJK752 is located more than 2705 lightyears from the center of the galaxy.

This solar system comprises 7 planets

QJK752.1 is a small terrestrial planet (4812 km radius) which orbits its star in 46 Earth days, one day on QJK752.1 lasts 17 Earth hours. Its average temperature is 1016 K (743 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
QJK752.2 is a very small terrestrial planet (2066 km radius) which orbits its star in 86 Earth days, one day on QJK752.2 lasts 66 Earth hours. Its average temperature is 1807 K (1534 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
QJK752.3 is a very large terrestrial planet (10665 km radius) which orbits its star in 711 Earth days, one day on QJK752.3 lasts 9 Earth hours. Its average temperature is 1298 K (1025 C), its atmosphere mainly consists of nitrogen and it has 30 moons.
QJK752.4 is a large gas giant (57981 km radius) which orbits its star in 47695 Earth days, one day on QJK752.4 lasts 7 Earth hours. Its average temperature is 1047 K (774 C), its atmosphere mainly consists of hydrogen, helium and it has 123 moons.
QJK752.5 is a large gas giant (43906 km radius) which orbits its star in 98267 Earth days, one day on QJK752.5 lasts 7 Earth hours. Its average temperature is 1914 K (1641 C), its atmosphere mainly consists of hydrogen and it has 108 moons.
QJK752.6 is a large gas giant (53141 km radius) which orbits its star in 180528 Earth days, one day on QJK752.6 lasts 7 Earth hours. Its average temperature is 1000 K (727 C), its atmosphere mainly consists of hydrogen and it has 121 moons.
QJK752.7 is a large gas giant (55873 km radius) which orbits its star in 331651 Earth days, one day on QJK752.7 lasts 7 Earth hours. Its average temperature is 1485 K (1212 C), its atmosphere mainly consists of hydrogen, helium and it has 138 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:QJK752.1QJK752.2QJK752.3QJK752.4QJK752.5
distance from star:17*106 km26*106 km108*106 km1787*106 km2893*106 km
radius:4812 km2066 km10665 km57981 km43906 km
mass:891*1021 kg70*1021 kg9704*1021 kg1559362*1021 kg677113*1021 kg
surface gravity: 2.56 m/s2
0.26 Earths
1.09 m/s2
0.11 Earths
5.69 m/s2
0.58 Earths
30.9 m/s2
3.15 Earths
23.4 m/s2
2.39 Earths
escape velocity:4.971 km/s2.126 km/s11.02 km/s59.91 km/s45.37 km/s
year: 64 QJK752.1 days
46 Earth days
31 QJK752.2 days
86 Earth days
1896 QJK752.3 days
711 Earth days
163525 QJK752.4 days
47695 Earth days
336915 QJK752.5 days
98267 Earth days
day:17 hrs66 hrs9 hrs7 hrs7 hrs
axial tilt:25°29°107°
temperature:1016 K
743 C
1807 K
1534 C
1298 K
1025 C
1047 K
774 C
1914 K
1641 C
atmosphere:6% H2
1% He
44% N2
49% O2
0% other
4% H2
1% He
65% N2
29% O2
1% CO2
0% other
83% N2
8% O2
9% CO2
0% other
78% H2
22% He
0% other
97% H2
3% He
0% other
moons:0030123108
rings:000150

planet:QJK752.6QJK752.7
distance from star:4340*106 km6511*106 km
radius:53141 km55873 km
mass:1200546*1021 kg1395391*1021 kg
surface gravity: 28.3 m/s2
2.89 Earths
29.8 m/s2
3.04 Earths
escape velocity:54.91 km/s57.73 km/s
year: 618953 QJK752.6 days
180528 Earth days
1137089 QJK752.7 days
331651 Earth days
day:7 hrs7 hrs
axial tilt:67°
temperature:1000 K
727 C
1485 K
1212 C
atmosphere:97% H2
3% He
0% other
81% H2
19% He
0% other
moons:121138
rings:172

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