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QEF447: red dwarf star with 4 planets

  QEF447.1   QEF447.2  
QEF447.3
 
QEF447.4
 

Solar system 'QEF447' comprises the star 'QEF447' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 107 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'QEF447', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. QEF447 is located more than 3536 lightyears from the center of the galaxy.

This solar system comprises 4 planets

QEF447.1 is a very large terrestrial planet (10068 km radius) which orbits its star in 110 Earth days, one day on QEF447.1 lasts 6 Earth hours. Its average temperature is 810 K (537 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 5 moons.
QEF447.2 is a medium terrestrial planet (5472 km radius) which orbits its star in 203 Earth days, one day on QEF447.2 lasts 12 Earth hours. Its average temperature is 720 K (447 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
QEF447.3 is a small gas giant (19147 km radius) which orbits its star in 4151 Earth days, one day on QEF447.3 lasts 4 Earth hours. Its average temperature is 1862 K (1589 C), its atmosphere mainly consists of hydrogen, helium and it has 61 moons.
QEF447.4 is a very large terrestrial planet (9993 km radius) which orbits its star in 7626 Earth days, one day on QEF447.4 lasts 6 Earth hours. Its average temperature is 1536 K (1263 C), its atmosphere mainly consists of hydrogen and it has 38 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:QEF447.1QEF447.2QEF447.3QEF447.4
distance from star:31*106 km46*106 km351*106 km526*106 km
radius:10068 km5472 km19147 km9993 km
mass:8164*1021 kg1310*1021 kg56155*1021 kg7983*1021 kg
surface gravity: 5.37 m/s2
0.54 Earths
2.92 m/s2
0.29 Earths
10.2 m/s2
1.04 Earths
5.33 m/s2
0.54 Earths
escape velocity:10.40 km/s5.653 km/s19.78 km/s10.32 km/s
year: 440 QEF447.1 days
110 Earth days
406 QEF447.2 days
203 Earth days
24906 QEF447.3 days
4151 Earth days
30504 QEF447.4 days
7626 Earth days
day:6 hrs12 hrs4 hrs6 hrs
axial tilt:168°25°
temperature:810 K
537 C
720 K
447 C
1862 K
1589 C
1536 K
1263 C
atmosphere:11% H2
2% He
45% N2
41% O2
1% CO2
0% other
58% N2
40% O2
2% CO2
0% other
79% H2
21% He
0% other
92% H2
8% He
0% other
moons:536138
rings:00154

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