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LJF211: red giant star with 4 planets

  LJF211.1   LJF211.2  
LJF211.3
  LJF211.4  

Solar system 'LJF211' is a dual star system that comprises the stars 'LJF211.A' and 'LJF211.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 28 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'LJF211.A' and 'LJF211.B' that dominate it gravitationally. 'LJF211.A' is a red giant class star that contains about 65% of the system's known mass, 'LJF211.B' is a red giant class star that contains about 34% of the system's known mass.

System 'LJF211' is located more than 2073 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LJF211.1 is a small terrestrial planet (4599 km radius) which orbits its star in 51 Earth days, one day on LJF211.1 lasts 15 Earth hours. Its average temperature is 1765 K (1492 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LJF211.2 is a large terrestrial planet (7474 km radius) which orbits its star in 429 Earth days, one day on LJF211.2 lasts 8 Earth hours. Its average temperature is 1691 K (1418 C), its atmosphere mainly consists of nitrogen, oxygen and it has 11 moons.
LJF211.3 is a medium terrestrial planet (6411 km radius) which orbits its star in 788 Earth days, one day on LJF211.3 lasts 10 Earth hours. Its average temperature is 1127 K (854 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
LJF211.4 is a small terrestrial planetoid (1009 km radius) which orbits its star in 1036 Earth days, one day on LJF211.4 lasts 256 Earth hours. Its average temperature is 1863 K (1590 C), its atmosphere mainly consists of and it has 0 moons.
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Planetary Statistics

planet:LJF211.1LJF211.2LJF211.3LJF211.4
distance from star:18*106 km77*106 km115*106 km139*106 km
radius:4599 km7474 km6411 km1009 km
mass:778*1021 kg3340*1021 kg2107*1021 kg8*1021 kg
surface gravity: 2.45 m/s2
0.25 Earths
3.99 m/s2
0.40 Earths
3.42 m/s2
0.34 Earths
0.52 m/s2
0.05 Earths
escape velocity:4.751 km/s7.723 km/s6.623 km/s1.028 km/s
year: 81 LJF211.1 days
51 Earth days
1287 LJF211.2 days
429 Earth days
1891 LJF211.3 days
788 Earth days
97 LJF211.4 days
1036 Earth days
day:15 hrs8 hrs10 hrs256 hrs
axial tilt:311°12°25°79°
temperature:1765 K
1492 C
1691 K
1418 C
1127 K
854 C
1863 K
1590 C
atmosphere:75% N2
21% O2
4% CO2
0% other
3% H2
1% He
51% N2
44% O2
1% CO2
0% other
4% H2
1% He
67% N2
26% O2
2% CO2
0% other
100% other
moons:011170
rings:0010

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