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LDC440: red dwarf star with 7 planets

  LDC440.1   LDC440.2  
LDC440.3
 
LDC440.4
 
LDC440.5
 
LDC440.6
 
LDC440.7
 

Solar system 'LDC440' comprises the star 'LDC440' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 524 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LDC440', a red dwarf class star that contains about 97.96% of the system's known mass and dominates it gravitationally. LDC440 is located more than 4879 lightyears from the center of the galaxy.

This solar system comprises 7 planets

LDC440.1 is a very large terrestrial planet (11085 km radius) which orbits its star in 620 Earth days, one day on LDC440.1 lasts 9 Earth hours. Its average temperature is 42 K (-231 C), its atmosphere mainly consists of nitrogen, oxygen and it has 18 moons.
LDC440.2 is a small terrestrial planet (4479 km radius) which orbits its star in 1139 Earth days, one day on LDC440.2 lasts 19 Earth hours. Its average temperature is 38 K (-235 C), its atmosphere mainly consists of nitrogen, oxygen and it has 8 moons.
LDC440.3 is a large gas giant (63936 km radius) which orbits its star in 58937 Earth days, one day on LDC440.3 lasts 7 Earth hours. Its average temperature is 1118 K (845 C), its atmosphere mainly consists of hydrogen, helium and it has 35 moons.
LDC440.4 is a large gas giant (43845 km radius) which orbits its star in 157318 Earth days, one day on LDC440.4 lasts 7 Earth hours. Its average temperature is 1888 K (1615 C), its atmosphere mainly consists of hydrogen and it has 126 moons.
LDC440.5 is a massive terrestrial planet (15033 km radius) which orbits its star in 289012 Earth days, one day on LDC440.5 lasts 8 Earth hours. Its average temperature is 1264 K (991 C), its atmosphere mainly consists of hydrogen, helium and it has 174 moons.
LDC440.6 is a large gas giant (66948 km radius) which orbits its star in 530949 Earth days, one day on LDC440.6 lasts 7 Earth hours. Its average temperature is 1081 K (808 C), its atmosphere mainly consists of hydrogen, helium and it has 123 moons.
LDC440.7 is a large gas giant (71332 km radius) which orbits its star in 975416 Earth days, one day on LDC440.7 lasts 7 Earth hours. Its average temperature is 1525 K (1252 C), its atmosphere mainly consists of hydrogen and it has 40 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LDC440.1LDC440.2LDC440.3LDC440.4LDC440.5
distance from star:98*106 km148*106 km2058*106 km3960*106 km5940*106 km
radius:11085 km4479 km63936 km43845 km15033 km
mass:10896*1021 kg718*1021 kg2090866*1021 kg674295*1021 kg27178*1021 kg
surface gravity: 5.91 m/s2
0.60 Earths
2.38 m/s2
0.24 Earths
34.1 m/s2
3.48 Earths
23.4 m/s2
2.39 Earths
8.02 m/s2
0.82 Earths
escape velocity:11.45 km/s4.625 km/s66.07 km/s45.30 km/s15.53 km/s
year: 1653 LDC440.1 days
620 Earth days
1438 LDC440.2 days
1139 Earth days
202069 LDC440.3 days
58937 Earth days
539376 LDC440.4 days
157318 Earth days
867036 LDC440.5 days
289012 Earth days
day:9 hrs19 hrs7 hrs7 hrs8 hrs
axial tilt:338°25°
temperature:42 K
-231 C
38 K
-235 C
1118 K
845 C
1888 K
1615 C
1264 K
991 C
atmosphere:87% N2
13% O2
0% other
79% N2
20% O2
1% CO2
0% other
78% H2
22% He
0% other
95% H2
5% He
0% other
80% H2
20% He
0% other
moons:18835126174
rings:009139

planet:LDC440.6LDC440.7
distance from star:8910*106 km13366*106 km
radius:66948 km71332 km
mass:2400506*1021 kg2903642*1021 kg
surface gravity: 35.7 m/s2
3.65 Earths
38.0 m/s2
3.88 Earths
escape velocity:69.18 km/s73.71 km/s
year: 1820396 LDC440.6 days
530949 Earth days
3344283 LDC440.7 days
975416 Earth days
day:7 hrs7 hrs
axial tilt:
temperature:1081 K
808 C
1525 K
1252 C
atmosphere:76% H2
24% He
0% other
96% H2
4% He
0% other
moons:12340
rings:149

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