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QEF648: red dwarf star with 4 planets

  QEF648.1   QEF648.2   QEF648.3  
QEF648.4
 

Solar system 'QEF648' comprises the star 'QEF648' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 159 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'QEF648', a red dwarf class star that contains about 99.97% of the system's known mass and dominates it gravitationally. QEF648 is located more than 4224 lightyears from the center of the galaxy.

QEF648.1, the first planet in this system, may feature life forms. Its average temperature is 325K (52C) and it's atmosphere contains 15% of oxygen. One year on QEF648.1 lasts 187 days, one day lasts 9 hours. It's diameter is 13600 km, 1 times the diameter of the Earth.

This solar system comprises 4 planets

QEF648.1 is a medium terrestrial planet (6800 km radius) which orbits its star in 187 Earth days, one day on QEF648.1 lasts 9 Earth hours. Its average temperature is 325 K (52 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
QEF648.2 is a large terrestrial planet (8502 km radius) which orbits its star in 482 Earth days, one day on QEF648.2 lasts 7 Earth hours. Its average temperature is 184 K (-89 C), its atmosphere mainly consists of nitrogen, oxygen and it has 20 moons.
QEF648.3 is a large terrestrial planet (8443 km radius) which orbits its star in 885 Earth days, one day on QEF648.3 lasts 7 Earth hours. Its average temperature is 123 K (-150 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 15 moons.
QEF648.4 is a medium gas giant (24726 km radius) which orbits its star in 2818 Earth days, one day on QEF648.4 lasts 4 Earth hours. Its average temperature is 1496 K (1223 C), its atmosphere mainly consists of hydrogen, helium and it has 122 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:QEF648.1QEF648.2QEF648.3QEF648.4
distance from star:44*106 km83*106 km125*106 km271*106 km
radius:6800 km8502 km8443 km24726 km
mass:2515*1021 kg4916*1021 kg4814*1021 kg120934*1021 kg
surface gravity: 3.63 m/s2
0.37 Earths
4.53 m/s2
0.46 Earths
4.50 m/s2
0.46 Earths
13.2 m/s2
1.34 Earths
escape velocity:7.026 km/s8.785 km/s8.724 km/s25.55 km/s
year: 498 QEF648.1 days
187 Earth days
1652 QEF648.2 days
482 Earth days
3034 QEF648.3 days
885 Earth days
16908 QEF648.4 days
2818 Earth days
day:9 hrs7 hrs7 hrs4 hrs
axial tilt:20°13°14°
temperature:325 K
52 C
184 K
-89 C
123 K
-150 C
1496 K
1223 C
atmosphere:1% He
82% N2
15% O2
2% CO2
0% other
81% N2
15% O2
4% CO2
0% other
80% N2
1% O2
19% CO2
0% other
77% H2
23% He
0% other
moons:22015122
rings:00010

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