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UCB976: red dwarf star with 18 planets

 
UCB976.1
  UCB976.2   UCB976.3   UCB976.4  
UCB976.5
 
UCB976.6
  UCB976.7   UCB976.8   UCB976.9  
UCB976.10
  UCB976.11   UCB976.12  
UCB976.13
 
UCB976.14
 
UCB976.15
 
UCB976.16
 
UCB976.17
 
UCB976.18
 

Solar system 'UCB976' comprises the star 'UCB976' and the retinue of celestial objects gravitationally bound to it: 18 planets and their 1180 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'UCB976', a red dwarf class star that contains about 99.23% of the system's known mass and dominates it gravitationally. UCB976 is located more than 1464 lightyears from the center of the galaxy.

This solar system comprises 18 planets

UCB976.1 is a large terrestrial planet (8259 km radius) which orbits its star in 193 Earth days, one day on UCB976.1 lasts 21 Earth hours. Its average temperature is 437 K (164 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 17 moons.
UCB976.2 is a very large terrestrial planet (9966 km radius) which orbits its star in 1009 Earth days, one day on UCB976.2 lasts 20 Earth hours. Its average temperature is 96 K (-177 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
UCB976.3 is a very large terrestrial planet (11345 km radius) which orbits its star in 1855 Earth days, one day on UCB976.3 lasts 19 Earth hours. Its average temperature is 64 K (-209 C), its atmosphere mainly consists of nitrogen, oxygen and it has 21 moons.
UCB976.4 is a small terrestrial planet (4492 km radius) which orbits its star in 3407 Earth days, one day on UCB976.4 lasts 30 Earth hours. Its average temperature is 38 K (-235 C), its atmosphere mainly consists of nitrogen, oxygen and it has 20 moons.
UCB976.5 is a small terrestrial planet (4504 km radius) which orbits its star in 6260 Earth days, one day on UCB976.5 lasts 30 Earth hours. Its average temperature is 21 K (-252 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
UCB976.6 is a medium terrestrial planet (6896 km radius) which orbits its star in 11501 Earth days, one day on UCB976.6 lasts 23 Earth hours. Its average temperature is 11 K (-262 C), its atmosphere mainly consists of nitrogen and it has 19 moons.
UCB976.7 is a medium terrestrial planet (5105 km radius) which orbits its star in 21129 Earth days, one day on UCB976.7 lasts 27 Earth hours. Its average temperature is 5 K (-268 C), its atmosphere mainly consists of nitrogen, oxygen and it has 37 moons.
UCB976.8 is a medium terrestrial planet (5325 km radius) which orbits its star in 38817 Earth days, one day on UCB976.8 lasts 26 Earth hours. Its average temperature is 2 K (-271 C), its atmosphere mainly consists of nitrogen, oxygen and it has 10 moons.
UCB976.9 is a very large terrestrial planet (11193 km radius) which orbits its star in 71312 Earth days, one day on UCB976.9 lasts 19 Earth hours. Its average temperature is 1 K (-272 C), its atmosphere mainly consists of nitrogen, oxygen and it has 40 moons.
UCB976.10 is a medium gas giant (32584 km radius) which orbits its star in 131008 Earth days, one day on UCB976.10 lasts 18 Earth hours. Its average temperature is 1667 K (1394 C), its atmosphere mainly consists of hydrogen and it has 121 moons.
UCB976.11 is a large gas giant (50591 km radius) which orbits its star in 240678 Earth days, one day on UCB976.11 lasts 18 Earth hours. Its average temperature is 1148 K (875 C), its atmosphere mainly consists of hydrogen, helium and it has 122 moons.
UCB976.12 is a large gas giant (50028 km radius) which orbits its star in 442154 Earth days, one day on UCB976.12 lasts 18 Earth hours. Its average temperature is 1475 K (1202 C), its atmosphere mainly consists of hydrogen, helium and it has 163 moons.
UCB976.13 is a large gas giant (58233 km radius) which orbits its star in 812289 Earth days, one day on UCB976.13 lasts 18 Earth hours. Its average temperature is 1940 K (1667 C), its atmosphere mainly consists of hydrogen and it has 123 moons.
UCB976.14 is a large gas giant (57470 km radius) which orbits its star in 1492270 Earth days, one day on UCB976.14 lasts 18 Earth hours. Its average temperature is 1993 K (1720 C), its atmosphere mainly consists of hydrogen and it has 47 moons.
UCB976.15 is a large gas giant (50924 km radius) which orbits its star in 2741475 Earth days, one day on UCB976.15 lasts 18 Earth hours. Its average temperature is 1737 K (1464 C), its atmosphere mainly consists of hydrogen, helium and it has 134 moons.
UCB976.16 is a large terrestrial planet (7835 km radius) which orbits its star in 5036412 Earth days, one day on UCB976.16 lasts 22 Earth hours. Its average temperature is 1009 K (736 C), its atmosphere mainly consists of hydrogen and it has 177 moons.
UCB976.17 is a medium terrestrial planet (6498 km radius) which orbits its star in 6620535 Earth days, one day on UCB976.17 lasts 23 Earth hours. Its average temperature is 1557 K (1284 C), its atmosphere mainly consists of and it has 64 moons.
UCB976.18 is a very small terrestrial planet (2179 km radius) which orbits its star in 8702920 Earth days, one day on UCB976.18 lasts 71 Earth hours. Its average temperature is 1158 K (885 C), its atmosphere mainly consists of and it has 43 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:UCB976.1UCB976.2UCB976.3UCB976.4UCB976.5
distance from star:45*106 km136*106 km205*106 km307*106 km461*106 km
radius:8259 km9966 km11345 km4492 km4504 km
mass:4506*1021 kg7918*1021 kg11681*1021 kg725*1021 kg730*1021 kg
surface gravity: 4.40 m/s2
0.44 Earths
5.32 m/s2
0.54 Earths
6.05 m/s2
0.61 Earths
2.39 m/s2
0.24 Earths
2.40 m/s2
0.24 Earths
escape velocity:8.533 km/s10.29 km/s11.72 km/s4.641 km/s4.651 km/s
year: 220 UCB976.1 days
193 Earth days
1210 UCB976.2 days
1009 Earth days
2343 UCB976.3 days
1855 Earth days
2725 UCB976.4 days
3407 Earth days
5008 UCB976.5 days
6260 Earth days
day:21 hrs20 hrs19 hrs30 hrs30 hrs
axial tilt:11°12°14°243°
temperature:437 K
164 C
96 K
-177 C
64 K
-209 C
38 K
-235 C
21 K
-252 C
atmosphere:12% H2
2% He
51% N2
33% O2
2% CO2
0% other
1% H2
1% He
77% N2
20% O2
1% CO2
0% other
64% N2
35% O2
1% CO2
0% other
5% H2
2% He
53% N2
39% O2
1% CO2
0% other
3% H2
1% He
74% N2
21% O2
1% CO2
0% other
moons:171921203
rings:30006

planet:UCB976.6UCB976.7UCB976.8UCB976.9UCB976.10
distance from star:692*106 km1038*106 km1558*106 km2337*106 km3505*106 km
radius:6896 km5105 km5325 km11193 km32584 km
mass:2623*1021 kg1064*1021 kg1207*1021 kg11218*1021 kg276759*1021 kg
surface gravity: 3.68 m/s2
0.37 Earths
2.72 m/s2
0.27 Earths
2.84 m/s2
0.29 Earths
5.97 m/s2
0.61 Earths
17.3 m/s2
1.76 Earths
escape velocity:7.125 km/s5.274 km/s5.500 km/s11.56 km/s33.67 km/s
year: 12001 UCB976.6 days
11501 Earth days
18781 UCB976.7 days
21129 Earth days
35831 UCB976.8 days
38817 Earth days
90078 UCB976.9 days
71312 Earth days
174677 UCB976.10 days
131008 Earth days
day:23 hrs27 hrs26 hrs19 hrs18 hrs
axial tilt:15°13°24°65°
temperature:11 K
-262 C
5 K
-268 C
2 K
-271 C
1 K
-272 C
1667 K
1394 C
atmosphere:95% N2
4% O2
1% CO2
0% other
1% He
74% N2
25% O2
0% other
3% H2
1% He
80% N2
16% O2
0% other
5% H2
2% He
43% N2
49% O2
1% CO2
0% other
100% H2
0% other
moons:19371040121
rings:100018

planet:UCB976.11UCB976.12UCB976.13UCB976.14UCB976.15
distance from star:5258*106 km7887*106 km11831*106 km17746*106 km26620*106 km
radius:50591 km50028 km58233 km57470 km50924 km
mass:1035880*1021 kg1001680*1021 kg1579783*1021 kg1518495*1021 kg1056470*1021 kg
surface gravity: 27.0 m/s2
2.76 Earths
26.7 m/s2
2.73 Earths
31.0 m/s2
3.16 Earths
30.6 m/s2
3.12 Earths
27.1 m/s2
2.77 Earths
escape velocity:52.27 km/s51.69 km/s60.17 km/s59.38 km/s52.62 km/s
year: 320904 UCB976.11 days
240678 Earth days
589538 UCB976.12 days
442154 Earth days
1083052 UCB976.13 days
812289 Earth days
1989693 UCB976.14 days
1492270 Earth days
3655300 UCB976.15 days
2741475 Earth days
day:18 hrs18 hrs18 hrs18 hrs18 hrs
axial tilt:48°
temperature:1148 K
875 C
1475 K
1202 C
1940 K
1667 C
1993 K
1720 C
1737 K
1464 C
atmosphere:86% H2
14% He
0% other
80% H2
20% He
0% other
92% H2
8% He
0% other
97% H2
3% He
0% other
85% H2
15% He
0% other
moons:12216312347134
rings:007115

planet:UCB976.16UCB976.17UCB976.18
distance from star:39930*106 km47916*106 km57499*106 km
radius:7835 km6498 km2179 km
mass:3847*1021 kg2194*1021 kg82*1021 kg
surface gravity: 4.18 m/s2
0.42 Earths
3.46 m/s2
0.35 Earths
1.15 m/s2
0.11 Earths
escape velocity:8.095 km/s6.713 km/s2.241 km/s
year: 5494267 UCB976.16 days
5036412 Earth days
6908384 UCB976.17 days
6620535 Earth days
2941832 UCB976.18 days
8702920 Earth days
day:22 hrs23 hrs71 hrs
axial tilt:27°30°
temperature:1009 K
736 C
1557 K
1284 C
1158 K
885 C
atmosphere:94% H2
6% He
0% other
100% other100% other
moons:1776443
rings:161012

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