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UDC409: red dwarf star with 8 planets

  UDC409.1   UDC409.2  
UDC409.3
 
UDC409.4
  UDC409.5   UDC409.6  
UDC409.7
 
UDC409.8
 

Solar system 'UDC409' comprises the star 'UDC409' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 466 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'UDC409', a red dwarf class star that contains about 99.82% of the system's known mass and dominates it gravitationally. UDC409 is located more than 731 lightyears from the center of the galaxy.

This solar system comprises 8 planets

UDC409.1 is a small terrestrial planet (3793 km radius) which orbits its star in 17 Earth days, one day on UDC409.1 lasts 25 Earth hours. Its average temperature is 1311 K (1038 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 0 moons.
UDC409.2 is a small terrestrial planet (4523 km radius) which orbits its star in 31 Earth days, one day on UDC409.2 lasts 20 Earth hours. Its average temperature is 1165 K (892 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 0 moons.
UDC409.3 is a medium gas giant (30091 km radius) which orbits its star in 3557 Earth days, one day on UDC409.3 lasts 8 Earth hours. Its average temperature is 1775 K (1502 C), its atmosphere mainly consists of hydrogen and it has 42 moons.
UDC409.4 is a medium gas giant (23937 km radius) which orbits its star in 7785 Earth days, one day on UDC409.4 lasts 8 Earth hours. Its average temperature is 1986 K (1713 C), its atmosphere mainly consists of hydrogen, helium and it has 41 moons.
UDC409.5 is a medium gas giant (29739 km radius) which orbits its star in 48858 Earth days, one day on UDC409.5 lasts 8 Earth hours. Its average temperature is 1062 K (789 C), its atmosphere mainly consists of hydrogen and it has 112 moons.
UDC409.6 is a small gas giant (19140 km radius) which orbits its star in 89758 Earth days, one day on UDC409.6 lasts 8 Earth hours. Its average temperature is 1050 K (777 C), its atmosphere mainly consists of hydrogen, helium and it has 88 moons.
UDC409.7 is a large gas giant (46966 km radius) which orbits its star in 193930 Earth days, one day on UDC409.7 lasts 8 Earth hours. Its average temperature is 1530 K (1257 C), its atmosphere mainly consists of hydrogen, helium and it has 156 moons.
UDC409.8 is a large terrestrial planet (8506 km radius) which orbits its star in 254928 Earth days, one day on UDC409.8 lasts 11 Earth hours. Its average temperature is 1861 K (1588 C), its atmosphere mainly consists of and it has 27 moons.
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Planetary Statistics

planet:UDC409.1UDC409.2UDC409.3UDC409.4UDC409.5
distance from star:9*106 km13*106 km316*106 km533*106 km1816*106 km
radius:3793 km4523 km30091 km23937 km29739 km
mass:436*1021 kg740*1021 kg217971*1021 kg109723*1021 kg210411*1021 kg
surface gravity: 2.02 m/s2
0.20 Earths
2.41 m/s2
0.24 Earths
16.0 m/s2
1.63 Earths
12.7 m/s2
1.29 Earths
15.8 m/s2
1.61 Earths
escape velocity:3.917 km/s4.673 km/s31.09 km/s24.73 km/s30.73 km/s
year: 16 UDC409.1 days
17 Earth days
37 UDC409.2 days
31 Earth days
10671 UDC409.3 days
3557 Earth days
23355 UDC409.4 days
7785 Earth days
146574 UDC409.5 days
48858 Earth days
day:25 hrs20 hrs8 hrs8 hrs8 hrs
axial tilt:12°16°86°
temperature:1311 K
1038 C
1165 K
892 C
1775 K
1502 C
1986 K
1713 C
1062 K
789 C
atmosphere:12% H2
2% He
51% N2
34% O2
1% CO2
0% other
12% H2
3% He
45% N2
38% O2
2% CO2
0% other
90% H2
10% He
0% other
78% H2
22% He
0% other
91% H2
9% He
0% other
moons:004241112
rings:006100

planet:UDC409.6UDC409.7UDC409.8
distance from star:2724*106 km4553*106 km5463*106 km
radius:19140 km46966 km8506 km
mass:56093*1021 kg828782*1021 kg4923*1021 kg
surface gravity: 10.2 m/s2
1.04 Earths
25.0 m/s2
2.55 Earths
4.54 m/s2
0.46 Earths
escape velocity:19.77 km/s48.53 km/s8.789 km/s
year: 269274 UDC409.6 days
89758 Earth days
581790 UDC409.7 days
193930 Earth days
556206 UDC409.8 days
254928 Earth days
day:8 hrs8 hrs11 hrs
axial tilt:72°
temperature:1050 K
777 C
1530 K
1257 C
1861 K
1588 C
atmosphere:77% H2
23% He
0% other
86% H2
14% He
0% other
100% other
moons:8815627
rings:0137

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