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UKD258: red dwarf star with 4 planets

  UKD258.1  
UKD258.2
  UKD258.3   UKD258.4  

Solar system 'UKD258' comprises the star 'UKD258' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 73 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'UKD258', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. UKD258 is located more than 4612 lightyears from the center of the galaxy.

This solar system comprises 4 planets

UKD258.1 is a very large terrestrial planet (10010 km radius) which orbits its star in 147 Earth days, one day on UKD258.1 lasts 6 Earth hours. Its average temperature is 448 K (175 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
UKD258.2 is a very large terrestrial planet (11693 km radius) which orbits its star in 1046 Earth days, one day on UKD258.2 lasts 5 Earth hours. Its average temperature is 65 K (-208 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 42 moons.
UKD258.3 is a very large terrestrial planet (10494 km radius) which orbits its star in 2314 Earth days, one day on UKD258.3 lasts 6 Earth hours. Its average temperature is 34 K (-239 C), its atmosphere mainly consists of nitrogen, oxygen and it has 30 moons.
UKD258.4 is a small terrestrial planetoid (1912 km radius) which orbits its star in 3042 Earth days, one day on UKD258.4 lasts 73 Earth hours. Its average temperature is 1759 K (1486 C), its atmosphere mainly consists of and it has 0 moons.
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Planetary Orbits

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Planetary Statistics

planet:UKD258.1UKD258.2UKD258.3UKD258.4
distance from star:37*106 km140*106 km237*106 km285*106 km
radius:10010 km11693 km10494 km1912 km
mass:8024*1021 kg12789*1021 kg9245*1021 kg55*1021 kg
surface gravity: 5.34 m/s2
0.54 Earths
6.24 m/s2
0.63 Earths
5.60 m/s2
0.57 Earths
1.00 m/s2
0.10 Earths
escape velocity:10.34 km/s12.08 km/s10.84 km/s1.959 km/s
year: 588 UKD258.1 days
147 Earth days
5020 UKD258.2 days
1046 Earth days
9256 UKD258.3 days
2314 Earth days
1000 UKD258.4 days
3042 Earth days
day:6 hrs5 hrs6 hrs73 hrs
axial tilt:112°14°
temperature:448 K
175 C
65 K
-208 C
34 K
-239 C
1759 K
1486 C
atmosphere:3% H2
1% He
70% N2
26% O2
0% other
20% H2
3% He
36% N2
40% O2
1% CO2
0% other
56% N2
44% O2
0% other
100% other
moons:142300
rings:0500

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