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LDC449: red dwarf star with 4 planets

  LDC449.1  
LDC449.2
 
LDC449.3
 
LDC449.4
 

Solar system 'LDC449' comprises the star 'LDC449' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 342 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LDC449', a red dwarf class star that contains about 99.34% of the system's known mass and dominates it gravitationally. LDC449 is located more than 4791 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LDC449.1 is a small terrestrial planet (4303 km radius) which orbits its star in 104 Earth days, one day on LDC449.1 lasts 17 Earth hours. Its average temperature is 870 K (597 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
LDC449.2 is a large gas giant (78478 km radius) which orbits its star in 1471 Earth days, one day on LDC449.2 lasts 4 Earth hours. Its average temperature is 1128 K (855 C), its atmosphere mainly consists of hydrogen, helium and it has 138 moons.
LDC449.3 is a small gas giant (19998 km radius) which orbits its star in 7553 Earth days, one day on LDC449.3 lasts 4 Earth hours. Its average temperature is 1305 K (1032 C), its atmosphere mainly consists of hydrogen and it has 96 moons.
LDC449.4 is a large gas giant (48536 km radius) which orbits its star in 19309 Earth days, one day on LDC449.4 lasts 4 Earth hours. Its average temperature is 1506 K (1233 C), its atmosphere mainly consists of hydrogen, helium and it has 107 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LDC449.1LDC449.2LDC449.3LDC449.4
distance from star:30*106 km175*106 km523*106 km978*106 km
radius:4303 km78478 km19998 km48536 km
mass:637*1021 kg3866640*1021 kg63980*1021 kg914706*1021 kg
surface gravity: 2.29 m/s2
0.23 Earths
41.9 m/s2
4.28 Earths
10.6 m/s2
1.08 Earths
25.9 m/s2
2.64 Earths
escape velocity:4.445 km/s81.09 km/s20.66 km/s50.15 km/s
year: 146 LDC449.1 days
104 Earth days
8826 LDC449.2 days
1471 Earth days
45318 LDC449.3 days
7553 Earth days
115854 LDC449.4 days
19309 Earth days
day:17 hrs4 hrs4 hrs4 hrs
axial tilt:22°48°
temperature:870 K
597 C
1128 K
855 C
1305 K
1032 C
1506 K
1233 C
atmosphere:2% H2
1% He
78% N2
19% O2
0% other
77% H2
23% He
0% other
93% H2
7% He
0% other
77% H2
23% He
0% other
moons:113896107
rings:0121621

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