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LAJ539: yellow dwarf star with 3 planets

  LAJ539.1   LAJ539.2  
LAJ539.3
 

Solar system 'LAJ539' is a dual star system that comprises the stars 'LAJ539.A' and 'LAJ539.B' and the retinue of celestial objects gravitationally bound to them: 3 planets and their 62 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'LAJ539.A' and 'LAJ539.B' that dominate it gravitationally. 'LAJ539.A' is a yellow dwarf class star that contains about 66% of the system's known mass, 'LAJ539.B' is a yellow dwarf class star that contains about 33% of the system's known mass.

System 'LAJ539' is located more than 4878 lightyears from the center of the galaxy.

This solar system comprises 3 planets

LAJ539.1 is a small terrestrial planet (3721 km radius) which orbits its star in 122 Earth days, one day on LAJ539.1 lasts 21 Earth hours. Its average temperature is 1912 K (1639 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LAJ539.2 is a medium terrestrial planet (6451 km radius) which orbits its star in 238 Earth days, one day on LAJ539.2 lasts 9 Earth hours. Its average temperature is 1581 K (1308 C), its atmosphere mainly consists of nitrogen, oxygen and it has 11 moons.
LAJ539.3 is a very large terrestrial planet (10285 km radius) which orbits its star in 1834 Earth days, one day on LAJ539.3 lasts 5 Earth hours. Its average temperature is 1171 K (898 C), its atmosphere mainly consists of hydrogen, helium and it has 51 moons.
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Planetary Orbits

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Planetary Statistics

planet:LAJ539.1LAJ539.2LAJ539.3
distance from star:33*106 km52*106 km203*106 km
radius:3721 km6451 km10285 km
mass:412*1021 kg2147*1021 kg8703*1021 kg
surface gravity: 1.98 m/s2
0.20 Earths
3.44 m/s2
0.35 Earths
5.49 m/s2
0.56 Earths
escape velocity:3.844 km/s6.665 km/s10.62 km/s
year: 139 LAJ539.1 days
122 Earth days
634 LAJ539.2 days
238 Earth days
8803 LAJ539.3 days
1834 Earth days
day:21 hrs9 hrs5 hrs
axial tilt:26°11°
temperature:1912 K
1639 C
1581 K
1308 C
1171 K
898 C
atmosphere:1% He
70% N2
28% O2
1% CO2
0% other
5% H2
1% He
66% N2
28% O2
0% other
78% H2
22% He
0% other
moons:01151
rings:0012

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