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LDC439: red giant star with 5 planets

  LDC439.1  
LDC439.2
 
LDC439.3
 
LDC439.4
 
LDC439.5
 

Solar system 'LDC439' is a dual star system that comprises the stars 'LDC439.A' and 'LDC439.B' and the retinue of celestial objects gravitationally bound to them: 5 planets and their 397 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'LDC439.A' and 'LDC439.B' that dominate it gravitationally. 'LDC439.A' is a red giant class star that contains about 73% of the system's known mass, 'LDC439.B' is a red giant class star that contains about 26% of the system's known mass.

System 'LDC439' is located more than 4879 lightyears from the center of the galaxy.

This solar system comprises 5 planets

LDC439.1 is a very large terrestrial planet (11216 km radius) which orbits its star in 249 Earth days, one day on LDC439.1 lasts 6 Earth hours. Its average temperature is 1573 K (1300 C), its atmosphere mainly consists of nitrogen, oxygen and it has 35 moons.
LDC439.2 is a medium gas giant (39351 km radius) which orbits its star in 12848 Earth days, one day on LDC439.2 lasts 5 Earth hours. Its average temperature is 1533 K (1260 C), its atmosphere mainly consists of hydrogen, helium and it has 90 moons.
LDC439.3 is a large gas giant (66027 km radius) which orbits its star in 26565 Earth days, one day on LDC439.3 lasts 5 Earth hours. Its average temperature is 1337 K (1064 C), its atmosphere mainly consists of hydrogen and it has 77 moons.
LDC439.4 is a medium gas giant (35385 km radius) which orbits its star in 51653 Earth days, one day on LDC439.4 lasts 5 Earth hours. Its average temperature is 1636 K (1363 C), its atmosphere mainly consists of hydrogen, helium and it has 100 moons.
LDC439.5 is a large gas giant (54253 km radius) which orbits its star in 94892 Earth days, one day on LDC439.5 lasts 5 Earth hours. Its average temperature is 1088 K (815 C), its atmosphere mainly consists of hydrogen and it has 95 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LDC439.1LDC439.2LDC439.3LDC439.4LDC439.5
distance from star:53*106 km745*106 km1209*106 km1884*106 km2827*106 km
radius:11216 km39351 km66027 km35385 km54253 km
mass:11287*1021 kg487480*1021 kg2302791*1021 kg354443*1021 kg1277501*1021 kg
surface gravity: 5.98 m/s2
0.61 Earths
21.0 m/s2
2.14 Earths
35.2 m/s2
3.59 Earths
18.8 m/s2
1.92 Earths
28.9 m/s2
2.95 Earths
escape velocity:11.59 km/s40.66 km/s68.23 km/s36.56 km/s56.06 km/s
year: 996 LDC439.1 days
249 Earth days
61670 LDC439.2 days
12848 Earth days
127512 LDC439.3 days
26565 Earth days
247934 LDC439.4 days
51653 Earth days
455481 LDC439.5 days
94892 Earth days
day:6 hrs5 hrs5 hrs5 hrs5 hrs
axial tilt:19°22°
temperature:1573 K
1300 C
1533 K
1260 C
1337 K
1064 C
1636 K
1363 C
1088 K
815 C
atmosphere:1% H2
1% He
80% N2
13% O2
5% CO2
0% other
79% H2
21% He
0% other
97% H2
3% He
0% other
80% H2
20% He
0% other
98% H2
2% He
0% other
moons:35907710095
rings:07191520

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