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UKB889: red dwarf star with 4 planets

  UKB889.1   UKB889.2   UKB889.3  
UKB889.4
 

Solar system 'UKB889' comprises the star 'UKB889' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 119 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'UKB889', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. UKB889 is located more than 1440 lightyears from the center of the galaxy.

This solar system comprises 4 planets

UKB889.1 is a large terrestrial planet (8027 km radius) which orbits its star in 43 Earth days, one day on UKB889.1 lasts 7 Earth hours. Its average temperature is 1360 K (1087 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
UKB889.2 is a very large terrestrial planet (11314 km radius) which orbits its star in 637 Earth days, one day on UKB889.2 lasts 5 Earth hours. Its average temperature is 76 K (-197 C), its atmosphere mainly consists of nitrogen, oxygen and it has 28 moons.
UKB889.3 is a large terrestrial planet (8853 km radius) which orbits its star in 1170 Earth days, one day on UKB889.3 lasts 7 Earth hours. Its average temperature is 50 K (-223 C), its atmosphere mainly consists of nitrogen, oxygen and it has 26 moons.
UKB889.4 is a large terrestrial planet (7380 km radius) which orbits its star in 2150 Earth days, one day on UKB889.4 lasts 8 Earth hours. Its average temperature is 1283 K (1010 C), its atmosphere mainly consists of hydrogen, helium and it has 65 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:UKB889.1UKB889.2UKB889.3UKB889.4
distance from star:16*106 km100*106 km150*106 km226*106 km
radius:8027 km11314 km8853 km7380 km
mass:4137*1021 kg11586*1021 kg5550*1021 kg3215*1021 kg
surface gravity: 4.28 m/s2
0.43 Earths
6.04 m/s2
0.61 Earths
4.72 m/s2
0.48 Earths
3.93 m/s2
0.40 Earths
escape velocity:8.294 km/s11.69 km/s9.147 km/s7.625 km/s
year: 147 UKB889.1 days
43 Earth days
3057 UKB889.2 days
637 Earth days
4011 UKB889.3 days
1170 Earth days
6450 UKB889.4 days
2150 Earth days
day:7 hrs5 hrs7 hrs8 hrs
axial tilt:69°22°
temperature:1360 K
1087 C
76 K
-197 C
50 K
-223 C
1283 K
1010 C
atmosphere:65% N2
33% O2
2% CO2
0% other
2% H2
1% He
78% N2
14% O2
5% CO2
0% other
5% H2
1% He
54% N2
40% O2
0% other
89% H2
11% He
0% other
moons:0282665
rings:00016

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