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UKK817: red giant star with 4 planets

  UKK817.1   UKK817.2   UKK817.3   UKK817.4  

Solar system 'UKK817' is a dual star system that comprises the stars 'UKK817.A' and 'UKK817.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 331 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'UKK817.A' and 'UKK817.B' that dominate it gravitationally. 'UKK817.A' is a red giant class star that contains about 72% of the system's known mass, 'UKK817.B' is a red giant class star that contains about 27% of the system's known mass.

System 'UKK817' is located more than 1440 lightyears from the center of the galaxy.

This solar system comprises 4 planets

UKK817.1 is a medium terrestrial planet (6074 km radius) which orbits its star in 80 Earth days, one day on UKK817.1 lasts 10 Earth hours. Its average temperature is 1418 K (1145 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
UKK817.2 is a large gas giant (44640 km radius) which orbits its star in 53379 Earth days, one day on UKK817.2 lasts 4 Earth hours. Its average temperature is 1069 K (796 C), its atmosphere mainly consists of hydrogen and it has 137 moons.
UKK817.3 is a large gas giant (56552 km radius) which orbits its star in 204931 Earth days, one day on UKK817.3 lasts 4 Earth hours. Its average temperature is 1864 K (1591 C), its atmosphere mainly consists of hydrogen, helium and it has 95 moons.
UKK817.4 is a large gas giant (69298 km radius) which orbits its star in 376482 Earth days, one day on UKK817.4 lasts 4 Earth hours. Its average temperature is 1353 K (1080 C), its atmosphere mainly consists of hydrogen, helium and it has 99 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:UKK817.1UKK817.2UKK817.3UKK817.4
distance from star:25*106 km1926*106 km4723*106 km7085*106 km
radius:6074 km44640 km56552 km69298 km
mass:1792*1021 kg711643*1021 kg1446884*1021 kg2662269*1021 kg
surface gravity: 3.24 m/s2
0.33 Earths
23.8 m/s2
2.43 Earths
30.1 m/s2
3.07 Earths
37.0 m/s2
3.78 Earths
escape velocity:6.275 km/s46.13 km/s58.43 km/s71.61 km/s
year: 192 UKK817.1 days
80 Earth days
320274 UKK817.2 days
53379 Earth days
1229586 UKK817.3 days
204931 Earth days
2258892 UKK817.4 days
376482 Earth days
day:10 hrs4 hrs4 hrs4 hrs
axial tilt:14°
temperature:1418 K
1145 C
1069 K
796 C
1864 K
1591 C
1353 K
1080 C
atmosphere:3% H2
2% He
67% N2
27% O2
1% CO2
0% other
97% H2
3% He
0% other
81% H2
19% He
0% other
77% H2
23% He
0% other
moons:01379599
rings:0000

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