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LJF645: yellow dwarf star with 8 planets

  LJF645.1   LJF645.2   LJF645.3   LJF645.4   LJF645.5  
LJF645.6
  LJF645.7  
LJF645.8
 

Solar system 'LJF645' comprises the star 'LJF645' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 150 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LJF645', a yellow dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. LJF645 is located more than 5003 lightyears from the center of the galaxy.

LJF645.5, the fifth planet in this system, may feature life forms. Its average temperature is 327K (54C) and it's atmosphere contains 3% of oxygen. One year on LJF645.5 lasts 1416 days, one day lasts 10 hours. It's diameter is 19042 km, 1.4 times the diameter of the Earth.

This solar system comprises 8 planets

LJF645.1 is a small terrestrial planet (4190 km radius) which orbits its star in 11 Earth days, one day on LJF645.1 lasts 22 Earth hours. Its average temperature is 1210 K (937 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
LJF645.2 is a very large terrestrial planet (10827 km radius) which orbits its star in 21 Earth days, one day on LJF645.2 lasts 10 Earth hours. Its average temperature is 1076 K (803 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
LJF645.3 is a large terrestrial planet (8808 km radius) which orbits its star in 258 Earth days, one day on LJF645.3 lasts 11 Earth hours. Its average temperature is 1898 K (1625 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
LJF645.4 is a large terrestrial planet (8481 km radius) which orbits its star in 637 Earth days, one day on LJF645.4 lasts 11 Earth hours. Its average temperature is 759 K (486 C), its atmosphere mainly consists of nitrogen, oxygen and it has 28 moons.
LJF645.5 is a very large terrestrial planet (9521 km radius) which orbits its star in 1416 Earth days, one day on LJF645.5 lasts 10 Earth hours. Its average temperature is 327 K (54 C), its atmosphere mainly consists of nitrogen and it has 34 moons.
LJF645.6 is a very small terrestrial planet (2045 km radius) which orbits its star in 2602 Earth days, one day on LJF645.6 lasts 68 Earth hours. Its average temperature is 174 K (-99 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LJF645.7 is a large terrestrial planet (8706 km radius) which orbits its star in 3420 Earth days, one day on LJF645.7 lasts 11 Earth hours. Its average temperature is 1850 K (1577 C), its atmosphere mainly consists of and it has 25 moons.
LJF645.8 is a medium terrestrial planet (5844 km radius) which orbits its star in 4496 Earth days, one day on LJF645.8 lasts 15 Earth hours. Its average temperature is 1545 K (1272 C), its atmosphere mainly consists of and it has 44 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LJF645.1LJF645.2LJF645.3LJF645.4LJF645.5
distance from star:7*106 km10*106 km55*106 km100*106 km171*106 km
radius:4190 km10827 km8808 km8481 km9521 km
mass:588*1021 kg10153*1021 kg5466*1021 kg4880*1021 kg6904*1021 kg
surface gravity: 2.23 m/s2
0.22 Earths
5.78 m/s2
0.59 Earths
4.70 m/s2
0.48 Earths
4.52 m/s2
0.46 Earths
5.08 m/s2
0.51 Earths
escape velocity:4.328 km/s11.18 km/s9.101 km/s8.764 km/s9.838 km/s
year: 12 LJF645.1 days
11 Earth days
50 LJF645.2 days
21 Earth days
562 LJF645.3 days
258 Earth days
1389 LJF645.4 days
637 Earth days
3398 LJF645.5 days
1416 Earth days
day:22 hrs10 hrs11 hrs11 hrs10 hrs
axial tilt:236°276°11°261°
temperature:1210 K
937 C
1076 K
803 C
1898 K
1625 C
759 K
486 C
327 K
54 C
atmosphere:83% N2
9% O2
8% CO2
0% other
8% H2
2% He
53% N2
37% O2
0% other
82% N2
14% O2
4% CO2
0% other
87% N2
12% O2
1% CO2
0% other
87% N2
3% O2
10% CO2
0% other
moons:02172834
rings:00000

planet:LJF645.6LJF645.7LJF645.8
distance from star:257*106 km308*106 km370*106 km
radius:2045 km8706 km5844 km
mass:68*1021 kg5278*1021 kg1596*1021 kg
surface gravity: 1.08 m/s2
0.11 Earths
4.64 m/s2
0.47 Earths
3.11 m/s2
0.31 Earths
escape velocity:2.106 km/s8.995 km/s6.037 km/s
year: 918 LJF645.6 days
2602 Earth days
7461 LJF645.7 days
3420 Earth days
7193 LJF645.8 days
4496 Earth days
day:68 hrs11 hrs15 hrs
axial tilt:19°23°
temperature:174 K
-99 C
1850 K
1577 C
1545 K
1272 C
atmosphere:3% H2
3% He
57% N2
36% O2
1% CO2
0% other
100% other100% other
moons:02544
rings:205

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