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PCA447: red giant star with 12 planets

 
PCA447.1
 
PCA447.2
 
PCA447.3
  PCA447.4   PCA447.5   PCA447.6   PCA447.7  
PCA447.8
 
PCA447.9
 
PCA447.10
 
PCA447.11
 
PCA447.12
 

Solar system 'PCA447' comprises the star 'PCA447' and the retinue of celestial objects gravitationally bound to it: 12 planets and their 591 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'PCA447', a red giant class star that contains about 99.78% of the system's known mass and dominates it gravitationally. PCA447 is located more than 3406 lightyears from the center of the galaxy.

PCA447.4, the fourth planet in this system, may feature life forms. Its average temperature is 297K (24C) and it's atmosphere contains 37% of oxygen. One year on PCA447.4 lasts 2525 days, one day lasts 13 hours. It's diameter is 23280 km, 1.8 times the diameter of the Earth.

This solar system comprises 12 planets

PCA447.1 is a small terrestrial planet (3988 km radius) which orbits its star in 151 Earth days, one day on PCA447.1 lasts 27 Earth hours. Its average temperature is 1590 K (1317 C), its atmosphere mainly consists of nitrogen and it has 1 moons.
PCA447.2 is a medium terrestrial planet (6005 km radius) which orbits its star in 552 Earth days, one day on PCA447.2 lasts 18 Earth hours. Its average temperature is 1131 K (858 C), its atmosphere mainly consists of nitrogen, oxygen and it has 10 moons.
PCA447.3 is a medium terrestrial planet (5929 km radius) which orbits its star in 1014 Earth days, one day on PCA447.3 lasts 19 Earth hours. Its average temperature is 754 K (481 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 11 moons.
PCA447.4 is a very large terrestrial planet (11640 km radius) which orbits its star in 2525 Earth days, one day on PCA447.4 lasts 13 Earth hours. Its average temperature is 297 K (24 C), its atmosphere mainly consists of nitrogen, oxygen and it has 28 moons.
PCA447.5 is a large terrestrial planet (7895 km radius) which orbits its star in 4638 Earth days, one day on PCA447.5 lasts 16 Earth hours. Its average temperature is 165 K (-108 C), its atmosphere mainly consists of nitrogen, oxygen and it has 25 moons.
PCA447.6 is a small terrestrial planet (4189 km radius) which orbits its star in 8521 Earth days, one day on PCA447.6 lasts 26 Earth hours. Its average temperature is 88 K (-185 C), its atmosphere mainly consists of nitrogen, oxygen and it has 25 moons.
PCA447.7 is a very large terrestrial planet (10849 km radius) which orbits its star in 15655 Earth days, one day on PCA447.7 lasts 14 Earth hours. Its average temperature is 45 K (-228 C), its atmosphere mainly consists of nitrogen, oxygen and it has 30 moons.
PCA447.8 is a large gas giant (68098 km radius) which orbits its star in 139225 Earth days, one day on PCA447.8 lasts 12 Earth hours. Its average temperature is 1122 K (849 C), its atmosphere mainly consists of hydrogen and it has 172 moons.
PCA447.9 is a large gas giant (60484 km radius) which orbits its star in 255772 Earth days, one day on PCA447.9 lasts 12 Earth hours. Its average temperature is 1892 K (1619 C), its atmosphere mainly consists of hydrogen, helium and it has 86 moons.
PCA447.10 is a medium gas giant (23517 km radius) which orbits its star in 469884 Earth days, one day on PCA447.10 lasts 12 Earth hours. Its average temperature is 1009 K (736 C), its atmosphere mainly consists of hydrogen, helium and it has 39 moons.
PCA447.11 is a large gas giant (76774 km radius) which orbits its star in 863233 Earth days, one day on PCA447.11 lasts 12 Earth hours. Its average temperature is 1948 K (1675 C), its atmosphere mainly consists of hydrogen and it has 73 moons.
PCA447.12 is a large gas giant (56680 km radius) which orbits its star in 1585861 Earth days, one day on PCA447.12 lasts 12 Earth hours. Its average temperature is 1556 K (1283 C), its atmosphere mainly consists of hydrogen, helium and it has 91 moons.
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Planetary Statistics

planet:PCA447.1PCA447.2PCA447.3PCA447.4PCA447.5
distance from star:38*106 km91*106 km137*106 km252*106 km378*106 km
radius:3988 km6005 km5929 km11640 km7895 km
mass:507*1021 kg1732*1021 kg1667*1021 kg12616*1021 kg3936*1021 kg
surface gravity: 2.12 m/s2
0.21 Earths
3.20 m/s2
0.32 Earths
3.16 m/s2
0.32 Earths
6.21 m/s2
0.63 Earths
4.21 m/s2
0.43 Earths
escape velocity:4.119 km/s6.204 km/s6.126 km/s12.02 km/s8.157 km/s
year: 134 PCA447.1 days
151 Earth days
736 PCA447.2 days
552 Earth days
1280 PCA447.3 days
1014 Earth days
4661 PCA447.4 days
2525 Earth days
6957 PCA447.5 days
4638 Earth days
day:27 hrs18 hrs19 hrs13 hrs16 hrs
axial tilt:12°21°23°
temperature:1590 K
1317 C
1131 K
858 C
754 K
481 C
297 K
24 C
165 K
-108 C
atmosphere:91% N2
8% O2
1% CO2
0% other
88% N2
11% O2
1% CO2
0% other
16% H2
2% He
38% N2
43% O2
1% CO2
0% other
3% H2
2% He
56% N2
37% O2
2% CO2
0% other
79% N2
21% O2
0% other
moons:110112825
rings:63300

planet:PCA447.6PCA447.7PCA447.8PCA447.9PCA447.10
distance from star:567*106 km850*106 km3650*106 km5475*106 km8213*106 km
radius:4189 km10849 km68098 km60484 km23517 km
mass:588*1021 kg10215*1021 kg2526347*1021 kg1770155*1021 kg104048*1021 kg
surface gravity: 2.23 m/s2
0.22 Earths
5.79 m/s2
0.59 Earths
36.3 m/s2
3.71 Earths
32.2 m/s2
3.29 Earths
12.5 m/s2
1.27 Earths
escape velocity:4.328 km/s11.21 km/s70.37 km/s62.50 km/s24.30 km/s
year: 7865 PCA447.6 days
8521 Earth days
26837 PCA447.7 days
15655 Earth days
278450 PCA447.8 days
139225 Earth days
511544 PCA447.9 days
255772 Earth days
939768 PCA447.10 days
469884 Earth days
day:26 hrs14 hrs12 hrs12 hrs12 hrs
axial tilt:60°21°
temperature:88 K
-185 C
45 K
-228 C
1122 K
849 C
1892 K
1619 C
1009 K
736 C
atmosphere:1% He
61% N2
36% O2
2% CO2
0% other
1% H2
1% He
72% N2
23% O2
3% CO2
0% other
93% H2
7% He
0% other
85% H2
15% He
0% other
79% H2
21% He
0% other
moons:25301728639
rings:0016206

planet:PCA447.11PCA447.12
distance from star:12320*106 km18481*106 km
radius:76774 km56680 km
mass:3620199*1021 kg1456731*1021 kg
surface gravity: 40.9 m/s2
4.18 Earths
30.2 m/s2
3.08 Earths
escape velocity:79.33 km/s58.57 km/s
year: 1726466 PCA447.11 days
863233 Earth days
3171722 PCA447.12 days
1585861 Earth days
day:12 hrs12 hrs
axial tilt:59°
temperature:1948 K
1675 C
1556 K
1283 C
atmosphere:99% H2
1% He
0% other
80% H2
20% He
0% other
moons:7391
rings:1722

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