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PKC477: red giant star with 5 planets

  PKC477.1   PKC477.2  
PKC477.3
 
PKC477.4
 
PKC477.5
 

Solar system 'PKC477' comprises the star 'PKC477' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 269 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'PKC477', a red giant class star that contains about 99.65% of the system's known mass and dominates it gravitationally. PKC477 is located more than 4542 lightyears from the center of the galaxy.

This solar system comprises 5 planets

PKC477.1 is a large terrestrial planet (8531 km radius) which orbits its star in 370 Earth days, one day on PKC477.1 lasts 8 Earth hours. Its average temperature is 175 K (-98 C), its atmosphere mainly consists of nitrogen, oxygen and it has 10 moons.
PKC477.2 is a medium terrestrial planet (6300 km radius) which orbits its star in 847 Earth days, one day on PKC477.2 lasts 11 Earth hours. Its average temperature is 116 K (-157 C), its atmosphere mainly consists of nitrogen, oxygen and it has 14 moons.
PKC477.3 is a large gas giant (68185 km radius) which orbits its star in 64684 Earth days, one day on PKC477.3 lasts 5 Earth hours. Its average temperature is 1149 K (876 C), its atmosphere mainly consists of hydrogen, helium and it has 48 moons.
PKC477.4 is a very large terrestrial planet (9672 km radius) which orbits its star in 118833 Earth days, one day on PKC477.4 lasts 7 Earth hours. Its average temperature is 1030 K (757 C), its atmosphere mainly consists of hydrogen and it has 71 moons.
PKC477.5 is a medium gas giant (30792 km radius) which orbits its star in 218310 Earth days, one day on PKC477.5 lasts 5 Earth hours. Its average temperature is 1601 K (1328 C), its atmosphere mainly consists of hydrogen, helium and it has 126 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:PKC477.1PKC477.2PKC477.3PKC477.4PKC477.5
distance from star:70*106 km121*106 km2189*106 km3284*106 km4927*106 km
radius:8531 km6300 km68185 km9672 km30792 km
mass:4966*1021 kg2000*1021 kg2536042*1021 kg7238*1021 kg233562*1021 kg
surface gravity: 4.55 m/s2
0.46 Earths
3.36 m/s2
0.34 Earths
36.4 m/s2
3.72 Earths
5.16 m/s2
0.52 Earths
16.4 m/s2
1.67 Earths
escape velocity:8.814 km/s6.509 km/s70.46 km/s9.994 km/s31.81 km/s
year: 1110 PKC477.1 days
370 Earth days
1848 PKC477.2 days
847 Earth days
310483 PKC477.3 days
64684 Earth days
407427 PKC477.4 days
118833 Earth days
1047888 PKC477.5 days
218310 Earth days
day:8 hrs11 hrs5 hrs7 hrs5 hrs
axial tilt:34°14°
temperature:175 K
-98 C
116 K
-157 C
1149 K
876 C
1030 K
757 C
1601 K
1328 C
atmosphere:2% He
57% N2
40% O2
1% CO2
0% other
3% H2
1% He
76% N2
19% O2
1% CO2
0% other
76% H2
24% He
0% other
97% H2
3% He
0% other
87% H2
13% He
0% other
moons:10144871126
rings:0072015

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