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QDD444: yellow dwarf star with 9 planets

  QDD444.1   QDD444.2   QDD444.3   QDD444.4  
QDD444.5
 
QDD444.6
 
QDD444.7
  QDD444.8   QDD444.9  

Solar system 'QDD444' comprises the star 'QDD444' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 573 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'QDD444', a yellow dwarf class star that contains about 99.81% of the system's known mass and dominates it gravitationally. QDD444 is located more than 1032 lightyears from the center of the galaxy.

QDD444.4, the fourth planet in this system, may feature life forms. Its average temperature is 279K (6C) and it's atmosphere contains 40% of oxygen. One year on QDD444.4 lasts 917 days, one day lasts 10 hours. It's diameter is 23328 km, 1.8 times the diameter of the Earth.

This solar system comprises 9 planets

QDD444.1 is a large terrestrial planet (8625 km radius) which orbits its star in 78 Earth days, one day on QDD444.1 lasts 12 Earth hours. Its average temperature is 1842 K (1569 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
QDD444.2 is a very small terrestrial planet (2853 km radius) which orbits its star in 189 Earth days, one day on QDD444.2 lasts 39 Earth hours. Its average temperature is 1140 K (867 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 0 moons.
QDD444.3 is a large terrestrial planet (7669 km radius) which orbits its star in 348 Earth days, one day on QDD444.3 lasts 13 Earth hours. Its average temperature is 760 K (487 C), its atmosphere mainly consists of nitrogen, oxygen and it has 7 moons.
QDD444.4 is a very large terrestrial planet (11664 km radius) which orbits its star in 917 Earth days, one day on QDD444.4 lasts 10 Earth hours. Its average temperature is 279 K (6 C), its atmosphere mainly consists of nitrogen, oxygen and it has 24 moons.
QDD444.5 is a huge terrestrial planet (13262 km radius) which orbits its star in 8937 Earth days, one day on QDD444.5 lasts 10 Earth hours. Its average temperature is 1294 K (1021 C), its atmosphere mainly consists of hydrogen and it has 173 moons.
QDD444.6 is a medium gas giant (35856 km radius) which orbits its star in 37610 Earth days, one day on QDD444.6 lasts 9 Earth hours. Its average temperature is 1160 K (887 C), its atmosphere mainly consists of hydrogen and it has 115 moons.
QDD444.7 is a large gas giant (57505 km radius) which orbits its star in 69094 Earth days, one day on QDD444.7 lasts 9 Earth hours. Its average temperature is 1477 K (1204 C), its atmosphere mainly consists of hydrogen, helium and it has 84 moons.
QDD444.8 is a large terrestrial planet (8017 km radius) which orbits its star in 126935 Earth days, one day on QDD444.8 lasts 12 Earth hours. Its average temperature is 1093 K (820 C), its atmosphere mainly consists of hydrogen, helium and it has 148 moons.
QDD444.9 is a very small terrestrial planet (2699 km radius) which orbits its star in 166861 Earth days, one day on QDD444.9 lasts 43 Earth hours. Its average temperature is 1198 K (925 C), its atmosphere mainly consists of and it has 17 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:QDD444.1QDD444.2QDD444.3QDD444.4QDD444.5
distance from star:24*106 km44*106 km67*106 km128*106 km585*106 km
radius:8625 km2853 km7669 km11664 km13262 km
mass:5132*1021 kg185*1021 kg3608*1021 kg12694*1021 kg18660*1021 kg
surface gravity: 4.60 m/s2
0.47 Earths
1.51 m/s2
0.15 Earths
4.09 m/s2
0.41 Earths
6.22 m/s2
0.63 Earths
7.08 m/s2
0.72 Earths
escape velocity:8.912 km/s2.942 km/s7.924 km/s12.05 km/s13.70 km/s
year: 156 QDD444.1 days
78 Earth days
116 QDD444.2 days
189 Earth days
642 QDD444.3 days
348 Earth days
2200 QDD444.4 days
917 Earth days
21448 QDD444.5 days
8937 Earth days
day:12 hrs39 hrs13 hrs10 hrs10 hrs
axial tilt:21°30°29°
temperature:1842 K
1569 C
1140 K
867 C
760 K
487 C
279 K
6 C
1294 K
1021 C
atmosphere:7% H2
1% He
53% N2
39% O2
0% other
23% H2
4% He
26% N2
47% O2
0% other
2% H2
1% He
74% N2
18% O2
5% CO2
0% other
4% H2
3% He
53% N2
40% O2
0% other
97% H2
3% He
0% other
moons:50724173
rings:00007

planet:QDD444.6QDD444.7QDD444.8QDD444.9
distance from star:1525*106 km2288*106 km3432*106 km4119*106 km
radius:35856 km57505 km8017 km2699 km
mass:368786*1021 kg1521271*1021 kg4122*1021 kg157*1021 kg
surface gravity: 19.1 m/s2
1.95 Earths
30.7 m/s2
3.13 Earths
4.28 m/s2
0.43 Earths
1.43 m/s2
0.14 Earths
escape velocity:37.05 km/s59.42 km/s8.284 km/s2.786 km/s
year: 100293 QDD444.6 days
37610 Earth days
184250 QDD444.7 days
69094 Earth days
253870 QDD444.8 days
126935 Earth days
93131 QDD444.9 days
166861 Earth days
day:9 hrs9 hrs12 hrs43 hrs
axial tilt:41°10°
temperature:1160 K
887 C
1477 K
1204 C
1093 K
820 C
1198 K
925 C
atmosphere:92% H2
8% He
0% other
80% H2
20% He
0% other
87% H2
13% He
0% other
100% other
moons:1158414817
rings:241200

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