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LAB946: yellow dwarf star with 3 planets

 
LAB946.1
  LAB946.2  
LAB946.3
 

Solar system 'LAB946' comprises the star 'LAB946' and the retinue of celestial objects gravitationally bound to it: 3 planets and their 148 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LAB946', a yellow dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. LAB946 is located more than 5362 lightyears from the center of the galaxy.

This solar system comprises 3 planets

LAB946.1 is a medium terrestrial planet (6376 km radius) which orbits its star in 265 Earth days, one day on LAB946.1 lasts 9 Earth hours. Its average temperature is 990 K (717 C), its atmosphere mainly consists of nitrogen, oxygen and it has 7 moons.
LAB946.2 is a very large terrestrial planet (9118 km radius) which orbits its star in 487 Earth days, one day on LAB946.2 lasts 6 Earth hours. Its average temperature is 880 K (607 C), its atmosphere mainly consists of nitrogen, oxygen and it has 31 moons.
LAB946.3 is a medium gas giant (31574 km radius) which orbits its star in 36417 Earth days, one day on LAB946.3 lasts 3 Earth hours. Its average temperature is 1414 K (1141 C), its atmosphere mainly consists of hydrogen, helium and it has 110 moons.
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Planetary Statistics

planet:LAB946.1LAB946.2LAB946.3
distance from star:56*106 km84*106 km1493*106 km
radius:6376 km9118 km31574 km
mass:2073*1021 kg6064*1021 kg251813*1021 kg
surface gravity: 3.40 m/s2
0.34 Earths
4.86 m/s2
0.49 Earths
16.8 m/s2
1.71 Earths
escape velocity:6.587 km/s9.422 km/s32.62 km/s
year: 706 LAB946.1 days
265 Earth days
1948 LAB946.2 days
487 Earth days
291336 LAB946.3 days
36417 Earth days
day:9 hrs6 hrs3 hrs
axial tilt:26°
temperature:990 K
717 C
880 K
607 C
1414 K
1141 C
atmosphere:77% N2
21% O2
2% CO2
0% other
9% H2
3% He
44% N2
43% O2
1% CO2
0% other
86% H2
14% He
0% other
moons:731110
rings:6023

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