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UKB920: red dwarf star with 4 planets

  UKB920.1   UKB920.2  
UKB920.3
  UKB920.4  

Solar system 'UKB920' comprises the star 'UKB920' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 162 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'UKB920', a red dwarf class star that contains about 99.87% of the system's known mass and dominates it gravitationally. UKB920 is located more than 1440 lightyears from the center of the galaxy.

This solar system comprises 4 planets

UKB920.1 is a small terrestrial planet (4305 km radius) which orbits its star in 116 Earth days, one day on UKB920.1 lasts 17 Earth hours. Its average temperature is 1004 K (731 C), its atmosphere mainly consists of nitrogen and it has 1 moons.
UKB920.2 is a very large terrestrial planet (11681 km radius) which orbits its star in 426 Earth days, one day on UKB920.2 lasts 5 Earth hours. Its average temperature is 355 K (82 C), its atmosphere mainly consists of nitrogen, oxygen and it has 25 moons.
UKB920.3 is a large gas giant (53110 km radius) which orbits its star in 1258 Earth days, one day on UKB920.3 lasts 4 Earth hours. Its average temperature is 1894 K (1621 C), its atmosphere mainly consists of hydrogen and it has 51 moons.
UKB920.4 is a massive terrestrial planet (17628 km radius) which orbits its star in 21037 Earth days, one day on UKB920.4 lasts 4 Earth hours. Its average temperature is 1824 K (1551 C), its atmosphere mainly consists of hydrogen and it has 85 moons.
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Planetary Orbits

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Planetary Statistics

planet:UKB920.1UKB920.2UKB920.3UKB920.4
distance from star:32*106 km76*106 km158*106 km1035*106 km
radius:4305 km11681 km53110 km17628 km
mass:638*1021 kg12750*1021 kg1198447*1021 kg43822*1021 kg
surface gravity: 2.29 m/s2
0.23 Earths
6.23 m/s2
0.63 Earths
28.3 m/s2
2.89 Earths
9.41 m/s2
0.96 Earths
escape velocity:4.447 km/s12.07 km/s54.88 km/s18.21 km/s
year: 163 UKB920.1 days
116 Earth days
2044 UKB920.2 days
426 Earth days
7548 UKB920.3 days
1258 Earth days
126222 UKB920.4 days
21037 Earth days
day:17 hrs5 hrs4 hrs4 hrs
axial tilt:201°
temperature:1004 K
731 C
355 K
82 C
1894 K
1621 C
1824 K
1551 C
atmosphere:89% N2
10% O2
1% CO2
0% other
77% N2
20% O2
3% CO2
0% other
91% H2
9% He
0% other
95% H2
5% He
0% other
moons:1255185
rings:00110

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