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QJK780: red giant star with 8 planets

  QJK780.1  
QJK780.2
  QJK780.3   QJK780.4   QJK780.5  
QJK780.6
 
QJK780.7
 
QJK780.8
 

Solar system 'QJK780' comprises the star 'QJK780' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 648 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'QJK780', a red giant class star that contains about 99.93% of the system's known mass and dominates it gravitationally. QJK780 is located more than 2705 lightyears from the center of the galaxy.

This solar system comprises 8 planets

QJK780.1 is a very large terrestrial planet (11865 km radius) which orbits its star in 683 Earth days, one day on QJK780.1 lasts 9 Earth hours. Its average temperature is 1150 K (877 C), its atmosphere mainly consists of nitrogen, oxygen and it has 30 moons.
QJK780.2 is a very large terrestrial planet (10113 km radius) which orbits its star in 1255 Earth days, one day on QJK780.2 lasts 10 Earth hours. Its average temperature is 1022 K (749 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 27 moons.
QJK780.3 is a large terrestrial planet (8126 km radius) which orbits its star in 2306 Earth days, one day on QJK780.3 lasts 11 Earth hours. Its average temperature is 681 K (408 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
QJK780.4 is a huge terrestrial planet (13204 km radius) which orbits its star in 4237 Earth days, one day on QJK780.4 lasts 9 Earth hours. Its average temperature is 1509 K (1236 C), its atmosphere mainly consists of hydrogen, helium and it has 175 moons.
QJK780.5 is a large gas giant (46883 km radius) which orbits its star in 22428 Earth days, one day on QJK780.5 lasts 8 Earth hours. Its average temperature is 1722 K (1449 C), its atmosphere mainly consists of hydrogen, helium and it has 106 moons.
QJK780.6 is a large gas giant (78886 km radius) which orbits its star in 41204 Earth days, one day on QJK780.6 lasts 8 Earth hours. Its average temperature is 1252 K (979 C), its atmosphere mainly consists of hydrogen, helium and it has 99 moons.
QJK780.7 is a medium gas giant (39357 km radius) which orbits its star in 75697 Earth days, one day on QJK780.7 lasts 8 Earth hours. Its average temperature is 1763 K (1490 C), its atmosphere mainly consists of hydrogen, helium and it has 102 moons.
QJK780.8 is a large gas giant (66559 km radius) which orbits its star in 209648 Earth days, one day on QJK780.8 lasts 8 Earth hours. Its average temperature is 1411 K (1138 C), its atmosphere mainly consists of hydrogen and it has 107 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:QJK780.1QJK780.2QJK780.3QJK780.4QJK780.5
distance from star:105*106 km158*106 km237*106 km355*106 km1080*106 km
radius:11865 km10113 km8126 km13204 km46883 km
mass:13362*1021 kg8274*1021 kg4292*1021 kg18416*1021 kg824396*1021 kg
surface gravity: 6.33 m/s2
0.64 Earths
5.39 m/s2
0.55 Earths
4.33 m/s2
0.44 Earths
7.04 m/s2
0.71 Earths
25.0 m/s2
2.55 Earths
escape velocity:12.26 km/s10.45 km/s8.396 km/s13.64 km/s48.44 km/s
year: 1821 QJK780.1 days
683 Earth days
3012 QJK780.2 days
1255 Earth days
5031 QJK780.3 days
2306 Earth days
11298 QJK780.4 days
4237 Earth days
67284 QJK780.5 days
22428 Earth days
day:9 hrs10 hrs11 hrs9 hrs8 hrs
axial tilt:21°14°
temperature:1150 K
877 C
1022 K
749 C
681 K
408 C
1509 K
1236 C
1722 K
1449 C
atmosphere:1% H2
2% He
68% N2
29% O2
0% other
29% H2
4% He
24% N2
42% O2
1% CO2
0% other
61% N2
38% O2
1% CO2
0% other
81% H2
19% He
0% other
77% H2
23% He
0% other
moons:30272175106
rings:06000

planet:QJK780.6QJK780.7QJK780.8
distance from star:1621*106 km2431*106 km4796*106 km
radius:78886 km39357 km66559 km
mass:3927261*1021 kg487703*1021 kg2358904*1021 kg
surface gravity: 42.1 m/s2
4.30 Earths
21.0 m/s2
2.14 Earths
35.5 m/s2
3.62 Earths
escape velocity:81.51 km/s40.67 km/s68.78 km/s
year: 123612 QJK780.6 days
41204 Earth days
227091 QJK780.7 days
75697 Earth days
628944 QJK780.8 days
209648 Earth days
day:8 hrs8 hrs8 hrs
axial tilt:
temperature:1252 K
979 C
1763 K
1490 C
1411 K
1138 C
atmosphere:89% H2
11% He
0% other
88% H2
12% He
0% other
100% H2
0% other
moons:99102107
rings:13111

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