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QJK778: red dwarf star with 8 planets

 
QJK778.1
  QJK778.2   QJK778.3   QJK778.4   QJK778.5  
QJK778.6
 
QJK778.7
 
QJK778.8
 

Solar system 'QJK778' comprises the star 'QJK778' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 380 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'QJK778', a red dwarf class star that contains about 99.97% of the system's known mass and dominates it gravitationally. QJK778 is located more than 2705 lightyears from the center of the galaxy.

QJK778.3, the third planet in this system, may feature life forms. Its average temperature is 284K (11C) and it's atmosphere contains 29% of oxygen. One year on QJK778.3 lasts 629 days, one day lasts 25 hours. It's diameter is 7478 km, 0.5 times the diameter of the Earth.

This solar system comprises 8 planets

QJK778.1 is a medium terrestrial planet (6259 km radius) which orbits its star in 14 Earth days, one day on QJK778.1 lasts 14 Earth hours. Its average temperature is 1846 K (1573 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
QJK778.2 is a medium terrestrial planet (6832 km radius) which orbits its star in 342 Earth days, one day on QJK778.2 lasts 13 Earth hours. Its average temperature is 426 K (153 C), its atmosphere mainly consists of nitrogen, oxygen and it has 14 moons.
QJK778.3 is a small terrestrial planet (3739 km radius) which orbits its star in 629 Earth days, one day on QJK778.3 lasts 25 Earth hours. Its average temperature is 284 K (11 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
QJK778.4 is a very small terrestrial planet (2573 km radius) which orbits its star in 1157 Earth days, one day on QJK778.4 lasts 45 Earth hours. Its average temperature is 168 K (-105 C), its atmosphere mainly consists of nitrogen and it has 1 moons.
QJK778.5 is a small terrestrial planet (3478 km radius) which orbits its star in 2126 Earth days, one day on QJK778.5 lasts 28 Earth hours. Its average temperature is 93 K (-180 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
QJK778.6 is a medium gas giant (27667 km radius) which orbits its star in 32956 Earth days, one day on QJK778.6 lasts 8 Earth hours. Its average temperature is 1608 K (1335 C), its atmosphere mainly consists of hydrogen, helium and it has 177 moons.
QJK778.7 is a very large terrestrial planet (11804 km radius) which orbits its star in 60544 Earth days, one day on QJK778.7 lasts 9 Earth hours. Its average temperature is 1452 K (1179 C), its atmosphere mainly consists of hydrogen, helium and it has 86 moons.
QJK778.8 is a small gas giant (19247 km radius) which orbits its star in 111227 Earth days, one day on QJK778.8 lasts 8 Earth hours. Its average temperature is 1768 K (1495 C), its atmosphere mainly consists of hydrogen and it has 100 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:QJK778.1QJK778.2QJK778.3QJK778.4QJK778.5
distance from star:8*106 km66*106 km99*106 km149*106 km224*106 km
radius:6259 km6832 km3739 km2573 km3478 km
mass:1961*1021 kg2551*1021 kg418*1021 kg136*1021 kg336*1021 kg
surface gravity: 3.34 m/s2
0.34 Earths
3.64 m/s2
0.37 Earths
1.99 m/s2
0.20 Earths
1.37 m/s2
0.14 Earths
1.85 m/s2
0.18 Earths
escape velocity:6.467 km/s7.059 km/s3.863 km/s2.656 km/s3.591 km/s
year: 24 QJK778.1 days
14 Earth days
631 QJK778.2 days
342 Earth days
603 QJK778.3 days
629 Earth days
617 QJK778.4 days
1157 Earth days
1822 QJK778.5 days
2126 Earth days
day:14 hrs13 hrs25 hrs45 hrs28 hrs
axial tilt:23°228°28°19°
temperature:1846 K
1573 C
426 K
153 C
284 K
11 C
168 K
-105 C
93 K
-180 C
atmosphere:55% N2
45% O2
0% other
10% H2
2% He
47% N2
40% O2
1% CO2
0% other
1% He
70% N2
29% O2
0% other
86% N2
8% O2
6% CO2
0% other
4% H2
1% He
61% N2
34% O2
0% other
moons:014210
rings:60000

planet:QJK778.6QJK778.7QJK778.8
distance from star:1396*106 km2095*106 km3143*106 km
radius:27667 km11804 km19247 km
mass:169424*1021 kg13157*1021 kg57039*1021 kg
surface gravity: 14.7 m/s2
1.50 Earths
6.30 m/s2
0.64 Earths
10.2 m/s2
1.04 Earths
escape velocity:28.59 km/s12.19 km/s19.88 km/s
year: 98868 QJK778.6 days
32956 Earth days
161450 QJK778.7 days
60544 Earth days
333681 QJK778.8 days
111227 Earth days
day:8 hrs9 hrs8 hrs
axial tilt:
temperature:1608 K
1335 C
1452 K
1179 C
1768 K
1495 C
atmosphere:86% H2
14% He
0% other
79% H2
21% He
0% other
100% H2
0% other
moons:17786100
rings:19414

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