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LJC974: red dwarf star with 5 planets

 
LJC974.1
  LJC974.2   LJC974.3   LJC974.4  
LJC974.5
 

Solar system 'LJC974' comprises the star 'LJC974' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 92 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LJC974', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. LJC974 is located more than 5003 lightyears from the center of the galaxy.

LJC974.4, the fourth planet in this system, may feature life forms. Its average temperature is 262K (-11C) and it's atmosphere contains 25% of oxygen. One year on LJC974.4 lasts 802 days, one day lasts 11 hours. It's diameter is 12028 km, 0.9 times the diameter of the Earth.

This solar system comprises 5 planets

LJC974.1 is a very large terrestrial planet (11493 km radius) which orbits its star in 105 Earth days, one day on LJC974.1 lasts 6 Earth hours. Its average temperature is 980 K (707 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 23 moons.
LJC974.2 is a small terrestrial planet (3859 km radius) which orbits its star in 208 Earth days, one day on LJC974.2 lasts 21 Earth hours. Its average temperature is 792 K (519 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
LJC974.3 is a very large terrestrial planet (9809 km radius) which orbits its star in 382 Earth days, one day on LJC974.3 lasts 7 Earth hours. Its average temperature is 528 K (255 C), its atmosphere mainly consists of nitrogen, oxygen and it has 46 moons.
LJC974.4 is a medium terrestrial planet (6014 km radius) which orbits its star in 802 Earth days, one day on LJC974.4 lasts 11 Earth hours. Its average temperature is 262 K (-11 C), its atmosphere mainly consists of nitrogen, oxygen and it has 13 moons.
LJC974.5 is a medium terrestrial planet (6764 km radius) which orbits its star in 1473 Earth days, one day on LJC974.5 lasts 10 Earth hours. Its average temperature is 145 K (-128 C), its atmosphere mainly consists of nitrogen, oxygen and it has 9 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LJC974.1LJC974.2LJC974.3LJC974.4LJC974.5
distance from star:30*106 km47*106 km71*106 km117*106 km176*106 km
radius:11493 km3859 km9809 km6014 km6764 km
mass:12144*1021 kg459*1021 kg7550*1021 kg1740*1021 kg2475*1021 kg
surface gravity: 6.13 m/s2
0.62 Earths
2.05 m/s2
0.20 Earths
5.23 m/s2
0.53 Earths
3.21 m/s2
0.32 Earths
3.61 m/s2
0.36 Earths
escape velocity:11.87 km/s3.984 km/s10.13 km/s6.214 km/s6.988 km/s
year: 420 LJC974.1 days
105 Earth days
237 LJC974.2 days
208 Earth days
1309 LJC974.3 days
382 Earth days
1749 LJC974.4 days
802 Earth days
3535 LJC974.5 days
1473 Earth days
day:6 hrs21 hrs7 hrs11 hrs10 hrs
axial tilt:280°24°11°27°
temperature:980 K
707 C
792 K
519 C
528 K
255 C
262 K
-11 C
145 K
-128 C
atmosphere:80% N2
3% O2
17% CO2
0% other
1% H2
1% He
74% N2
20% O2
4% CO2
0% other
1% H2
1% He
80% N2
18% O2
0% other
6% H2
2% He
67% N2
25% O2
0% other
6% H2
2% He
58% N2
34% O2
0% other
moons:23146139
rings:50006

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