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QJK847: red dwarf star with 8 planets

  QJK847.1   QJK847.2   QJK847.3   QJK847.4  
QJK847.5
 
QJK847.6
 
QJK847.7
  QJK847.8  

Solar system 'QJK847' comprises the star 'QJK847' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 541 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'QJK847', a red dwarf class star that contains about 99.86% of the system's known mass and dominates it gravitationally. QJK847 is located more than 2705 lightyears from the center of the galaxy.

This solar system comprises 8 planets

QJK847.1 is a medium terrestrial planet (6864 km radius) which orbits its star in 15 Earth days, one day on QJK847.1 lasts 13 Earth hours. Its average temperature is 1044 K (771 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
QJK847.2 is a very large terrestrial planet (9292 km radius) which orbits its star in 629 Earth days, one day on QJK847.2 lasts 10 Earth hours. Its average temperature is 245 K (-28 C), its atmosphere mainly consists of nitrogen, oxygen and it has 13 moons.
QJK847.3 is a large terrestrial planet (7122 km radius) which orbits its star in 1187 Earth days, one day on QJK847.3 lasts 12 Earth hours. Its average temperature is 158 K (-115 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 7 moons.
QJK847.4 is a very small terrestrial planet (2038 km radius) which orbits its star in 2181 Earth days, one day on QJK847.4 lasts 68 Earth hours. Its average temperature is 93 K (-180 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 0 moons.
QJK847.5 is a medium gas giant (23687 km radius) which orbits its star in 13894 Earth days, one day on QJK847.5 lasts 8 Earth hours. Its average temperature is 1836 K (1563 C), its atmosphere mainly consists of hydrogen, helium and it has 151 moons.
QJK847.6 is a medium gas giant (33686 km radius) which orbits its star in 49687 Earth days, one day on QJK847.6 lasts 8 Earth hours. Its average temperature is 1929 K (1656 C), its atmosphere mainly consists of hydrogen and it has 173 moons.
QJK847.7 is a large gas giant (50845 km radius) which orbits its star in 172684 Earth days, one day on QJK847.7 lasts 8 Earth hours. Its average temperature is 1511 K (1238 C), its atmosphere mainly consists of hydrogen and it has 33 moons.
QJK847.8 is a medium gas giant (24355 km radius) which orbits its star in 317241 Earth days, one day on QJK847.8 lasts 8 Earth hours. Its average temperature is 1921 K (1648 C), its atmosphere mainly consists of hydrogen and it has 163 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:QJK847.1QJK847.2QJK847.3QJK847.4QJK847.5
distance from star:8*106 km99*106 km152*106 km228*106 km785*106 km
radius:6864 km9292 km7122 km2038 km23687 km
mass:2587*1021 kg6418*1021 kg2889*1021 kg67*1021 kg106321*1021 kg
surface gravity: 3.66 m/s2
0.37 Earths
4.96 m/s2
0.50 Earths
3.80 m/s2
0.38 Earths
1.07 m/s2
0.10 Earths
12.6 m/s2
1.28 Earths
escape velocity:7.092 km/s9.602 km/s7.358 km/s2.094 km/s24.47 km/s
year: 27 QJK847.1 days
15 Earth days
1509 QJK847.2 days
629 Earth days
2374 QJK847.3 days
1187 Earth days
769 QJK847.4 days
2181 Earth days
41682 QJK847.5 days
13894 Earth days
day:13 hrs10 hrs12 hrs68 hrs8 hrs
axial tilt:14°30°20°11°67°
temperature:1044 K
771 C
245 K
-28 C
158 K
-115 C
93 K
-180 C
1836 K
1563 C
atmosphere:1% H2
1% He
80% N2
17% O2
1% CO2
0% other
4% H2
3% He
50% N2
43% O2
0% other
76% N2
3% O2
21% CO2
0% other
80% N2
5% O2
15% CO2
0% other
80% H2
20% He
0% other
moons:11370151
rings:000012

planet:QJK847.6QJK847.7QJK847.8
distance from star:1836*106 km4214*106 km6321*106 km
radius:33686 km50845 km24355 km
mass:305800*1021 kg1051561*1021 kg115572*1021 kg
surface gravity: 17.9 m/s2
1.83 Earths
27.1 m/s2
2.77 Earths
13.0 m/s2
1.32 Earths
escape velocity:34.81 km/s52.54 km/s25.16 km/s
year: 149061 QJK847.6 days
49687 Earth days
518052 QJK847.7 days
172684 Earth days
951723 QJK847.8 days
317241 Earth days
day:8 hrs8 hrs8 hrs
axial tilt:
temperature:1929 K
1656 C
1511 K
1238 C
1921 K
1648 C
atmosphere:100% H2
0% other
99% H2
1% He
0% other
91% H2
9% He
0% other
moons:17333163
rings:11160

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