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LAJ534: red dwarf star with 4 planets

  LAJ534.1   LAJ534.2   LAJ534.3   LAJ534.4  

Solar system 'LAJ534' comprises the star 'LAJ534' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 56 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LAJ534', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. LAJ534 is located more than 4962 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LAJ534.1 is a very large terrestrial planet (11182 km radius) which orbits its star in 408 Earth days, one day on LAJ534.1 lasts 5 Earth hours. Its average temperature is 90 K (-183 C), its atmosphere mainly consists of nitrogen, oxygen and it has 18 moons.
LAJ534.2 is a large terrestrial planet (7052 km radius) which orbits its star in 749 Earth days, one day on LAJ534.2 lasts 9 Earth hours. Its average temperature is 80 K (-193 C), its atmosphere mainly consists of nitrogen, oxygen and it has 16 moons.
LAJ534.3 is a medium terrestrial planet (5295 km radius) which orbits its star in 1377 Earth days, one day on LAJ534.3 lasts 12 Earth hours. Its average temperature is 53 K (-220 C), its atmosphere mainly consists of nitrogen, oxygen and it has 14 moons.
LAJ534.4 is a small terrestrial planet (3770 km radius) which orbits its star in 1810 Earth days, one day on LAJ534.4 lasts 21 Earth hours. Its average temperature is 1919 K (1646 C), its atmosphere mainly consists of and it has 8 moons.
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Planetary Statistics

planet:LAJ534.1LAJ534.2LAJ534.3LAJ534.4
distance from star:74*106 km112*106 km168*106 km201*106 km
radius:11182 km7052 km5295 km3770 km
mass:11185*1021 kg2805*1021 kg1187*1021 kg428*1021 kg
surface gravity: 5.97 m/s2
0.61 Earths
3.76 m/s2
0.38 Earths
2.82 m/s2
0.28 Earths
2.00 m/s2
0.20 Earths
escape velocity:11.55 km/s7.286 km/s5.470 km/s3.892 km/s
year: 1958 LAJ534.1 days
408 Earth days
1997 LAJ534.2 days
749 Earth days
2754 LAJ534.3 days
1377 Earth days
2068 LAJ534.4 days
1810 Earth days
day:5 hrs9 hrs12 hrs21 hrs
axial tilt:251°23°
temperature:90 K
-183 C
80 K
-193 C
53 K
-220 C
1919 K
1646 C
atmosphere:1% H2
1% He
76% N2
22% O2
0% other
56% N2
43% O2
1% CO2
0% other
1% He
67% N2
30% O2
2% CO2
0% other
100% other
moons:1816148
rings:0000

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