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LDC456: red giant star with 9 planets

  LDC456.1   LDC456.2   LDC456.3   LDC456.4   LDC456.5   LDC456.6  
LDC456.7
  LDC456.8  
LDC456.9
 

Solar system 'LDC456' comprises the star 'LDC456' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 507 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LDC456', a red giant class star that contains about 99.91% of the system's known mass and dominates it gravitationally. LDC456 is located more than 4791 lightyears from the center of the galaxy.

LDC456.4, the fourth planet in this system, may feature life forms. Its average temperature is 312K (39C) and it's atmosphere contains 27% of oxygen. One year on LDC456.4 lasts 2919 days, one day lasts 14 hours. It's diameter is 13756 km, 1 times the diameter of the Earth.

This solar system comprises 9 planets

LDC456.1 is a very large terrestrial planet (10236 km radius) which orbits its star in 243 Earth days, one day on LDC456.1 lasts 11 Earth hours. Its average temperature is 1072 K (799 C), its atmosphere mainly consists of nitrogen, oxygen and it has 21 moons.
LDC456.2 is a very large terrestrial planet (10582 km radius) which orbits its star in 864 Earth days, one day on LDC456.2 lasts 11 Earth hours. Its average temperature is 791 K (518 C), its atmosphere mainly consists of nitrogen, oxygen and it has 16 moons.
LDC456.3 is a large terrestrial planet (7632 km radius) which orbits its star in 1589 Earth days, one day on LDC456.3 lasts 13 Earth hours. Its average temperature is 527 K (254 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 17 moons.
LDC456.4 is a medium terrestrial planet (6878 km radius) which orbits its star in 2919 Earth days, one day on LDC456.4 lasts 14 Earth hours. Its average temperature is 312 K (39 C), its atmosphere mainly consists of nitrogen, oxygen and it has 29 moons.
LDC456.5 is a medium terrestrial planet (5230 km radius) which orbits its star in 5362 Earth days, one day on LDC456.5 lasts 18 Earth hours. Its average temperature is 173 K (-100 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
LDC456.6 is a very large terrestrial planet (10758 km radius) which orbits its star in 9852 Earth days, one day on LDC456.6 lasts 11 Earth hours. Its average temperature is 92 K (-181 C), its atmosphere mainly consists of nitrogen and it has 16 moons.
LDC456.7 is a small gas giant (18845 km radius) which orbits its star in 32790 Earth days, one day on LDC456.7 lasts 9 Earth hours. Its average temperature is 1388 K (1115 C), its atmosphere mainly consists of hydrogen and it has 134 moons.
LDC456.8 is a large gas giant (49210 km radius) which orbits its star in 97124 Earth days, one day on LDC456.8 lasts 9 Earth hours. Its average temperature is 1312 K (1039 C), its atmosphere mainly consists of hydrogen and it has 90 moons.
LDC456.9 is a large gas giant (76213 km radius) which orbits its star in 178428 Earth days, one day on LDC456.9 lasts 9 Earth hours. Its average temperature is 1446 K (1173 C), its atmosphere mainly consists of hydrogen, helium and it has 180 moons.
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Planetary Statistics

planet:LDC456.1LDC456.2LDC456.3LDC456.4LDC456.5
distance from star:52*106 km123*106 km185*106 km277*106 km416*106 km
radius:10236 km10582 km7632 km6878 km5230 km
mass:8579*1021 kg9479*1021 kg3556*1021 kg2603*1021 kg1144*1021 kg
surface gravity: 5.46 m/s2
0.55 Earths
5.64 m/s2
0.57 Earths
4.07 m/s2
0.41 Earths
3.67 m/s2
0.37 Earths
2.79 m/s2
0.28 Earths
escape velocity:10.57 km/s10.93 km/s7.886 km/s7.107 km/s5.403 km/s
year: 530 LDC456.1 days
243 Earth days
1885 LDC456.2 days
864 Earth days
2933 LDC456.3 days
1589 Earth days
5004 LDC456.4 days
2919 Earth days
7149 LDC456.5 days
5362 Earth days
day:11 hrs11 hrs13 hrs14 hrs18 hrs
axial tilt:15°17°344°
temperature:1072 K
799 C
791 K
518 C
527 K
254 C
312 K
39 C
173 K
-100 C
atmosphere:4% H2
2% He
58% N2
35% O2
1% CO2
0% other
1% He
81% N2
13% O2
5% CO2
0% other
79% N2
1% O2
20% CO2
0% other
72% N2
27% O2
1% CO2
0% other
75% N2
22% O2
3% CO2
0% other
moons:211617294
rings:00000

planet:LDC456.6LDC456.7LDC456.8LDC456.9
distance from star:624*106 km1392*106 km2871*106 km4307*106 km
radius:10758 km18845 km49210 km76213 km
mass:9960*1021 kg53540*1021 kg953344*1021 kg3541417*1021 kg
surface gravity: 5.74 m/s2
0.58 Earths
10.0 m/s2
1.02 Earths
26.2 m/s2
2.67 Earths
40.6 m/s2
4.15 Earths
escape velocity:11.11 km/s19.47 km/s50.85 km/s78.75 km/s
year: 21495 LDC456.6 days
9852 Earth days
87440 LDC456.7 days
32790 Earth days
258997 LDC456.8 days
97124 Earth days
475808 LDC456.9 days
178428 Earth days
day:11 hrs9 hrs9 hrs9 hrs
axial tilt:12°80°
temperature:92 K
-181 C
1388 K
1115 C
1312 K
1039 C
1446 K
1173 C
atmosphere:90% N2
10% O2
0% other
97% H2
3% He
0% other
90% H2
10% He
0% other
85% H2
15% He
0% other
moons:1613490180
rings:020014

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