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UKB888: red dwarf star with 7 planets

  UKB888.1   UKB888.2   UKB888.3  
UKB888.4
 
UKB888.5
 
UKB888.6
  UKB888.7  

Solar system 'UKB888' comprises the star 'UKB888' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 484 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'UKB888', a red dwarf class star that contains about 99.33% of the system's known mass and dominates it gravitationally. UKB888 is located more than 1440 lightyears from the center of the galaxy.

This solar system comprises 7 planets

UKB888.1 is a very small terrestrial planet (2834 km radius) which orbits its star in 3 Earth days, one day on UKB888.1 lasts 38 Earth hours. Its average temperature is 1010 K (737 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 0 moons.
UKB888.2 is a small terrestrial planet (4136 km radius) which orbits its star in 137 Earth days, one day on UKB888.2 lasts 21 Earth hours. Its average temperature is 1652 K (1379 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
UKB888.3 is a very large terrestrial planet (11371 km radius) which orbits its star in 446 Earth days, one day on UKB888.3 lasts 8 Earth hours. Its average temperature is 516 K (243 C), its atmosphere mainly consists of nitrogen, oxygen and it has 18 moons.
UKB888.4 is a medium gas giant (33540 km radius) which orbits its star in 14596 Earth days, one day on UKB888.4 lasts 7 Earth hours. Its average temperature is 1141 K (868 C), its atmosphere mainly consists of hydrogen, helium and it has 132 moons.
UKB888.5 is a large gas giant (77948 km radius) which orbits its star in 107901 Earth days, one day on UKB888.5 lasts 7 Earth hours. Its average temperature is 1365 K (1092 C), its atmosphere mainly consists of hydrogen, helium and it has 118 moons.
UKB888.6 is a large gas giant (68894 km radius) which orbits its star in 198227 Earth days, one day on UKB888.6 lasts 7 Earth hours. Its average temperature is 1042 K (769 C), its atmosphere mainly consists of hydrogen, helium and it has 173 moons.
UKB888.7 is a medium terrestrial planet (5672 km radius) which orbits its star in 260577 Earth days, one day on UKB888.7 lasts 14 Earth hours. Its average temperature is 1808 K (1535 C), its atmosphere mainly consists of and it has 43 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:UKB888.1UKB888.2UKB888.3UKB888.4UKB888.5
distance from star:2*106 km36*106 km79*106 km811*106 km3080*106 km
radius:2834 km4136 km11371 km33540 km77948 km
mass:182*1021 kg566*1021 kg11762*1021 kg301841*1021 kg3788828*1021 kg
surface gravity: 1.51 m/s2
0.15 Earths
2.20 m/s2
0.22 Earths
6.07 m/s2
0.62 Earths
17.9 m/s2
1.83 Earths
41.6 m/s2
4.25 Earths
escape velocity:2.927 km/s4.274 km/s11.75 km/s34.65 km/s80.55 km/s
year: 1 UKB888.1 days
3 Earth days
156 UKB888.2 days
137 Earth days
1338 UKB888.3 days
446 Earth days
50043 UKB888.4 days
14596 Earth days
369946 UKB888.5 days
107901 Earth days
day:38 hrs21 hrs8 hrs7 hrs7 hrs
axial tilt:23°27°
temperature:1010 K
737 C
1652 K
1379 C
516 K
243 C
1141 K
868 C
1365 K
1092 C
atmosphere:20% N2
80% CO2
0% other
95% N2
2% O2
3% CO2
0% other
63% N2
36% O2
1% CO2
0% other
86% H2
14% He
0% other
86% H2
14% He
0% other
moons:0018132118
rings:0001317

planet:UKB888.6UKB888.7
distance from star:4620*106 km5544*106 km
radius:68894 km5672 km
mass:2615978*1021 kg1459*1021 kg
surface gravity: 36.7 m/s2
3.75 Earths
3.02 m/s2
0.30 Earths
escape velocity:71.19 km/s5.859 km/s
year: 679635 UKB888.6 days
198227 Earth days
446703 UKB888.7 days
260577 Earth days
day:7 hrs14 hrs
axial tilt:
temperature:1042 K
769 C
1808 K
1535 C
atmosphere:88% H2
12% He
0% other
100% other
moons:17343
rings:20

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