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LAA427: yellow dwarf star with 4 planets

  LAA427.1   LAA427.2   LAA427.3   LAA427.4  

Solar system 'LAA427' comprises the star 'LAA427' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 69 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LAA427', a yellow dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. LAA427 is located more than 3235 lightyears from the center of the galaxy.

LAA427.3, the third planet in this system, may feature life forms. Its average temperature is 266K (-7C) and it's atmosphere contains 45% of oxygen. One year on LAA427.3 lasts 728 days, one day lasts 9 hours. It's diameter is 13484 km, 1 times the diameter of the Earth.

This solar system comprises 4 planets

LAA427.1 is a medium terrestrial planet (6518 km radius) which orbits its star in 49 Earth days, one day on LAA427.1 lasts 9 Earth hours. Its average temperature is 1593 K (1320 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LAA427.2 is a large terrestrial planet (8742 km radius) which orbits its star in 265 Earth days, one day on LAA427.2 lasts 7 Earth hours. Its average temperature is 680 K (407 C), its atmosphere mainly consists of nitrogen, oxygen and it has 16 moons.
LAA427.3 is a medium terrestrial planet (6742 km radius) which orbits its star in 728 Earth days, one day on LAA427.3 lasts 9 Earth hours. Its average temperature is 266 K (-7 C), its atmosphere mainly consists of nitrogen, oxygen and it has 24 moons.
LAA427.4 is a very large terrestrial planet (10318 km radius) which orbits its star in 1338 Earth days, one day on LAA427.4 lasts 6 Earth hours. Its average temperature is 157 K (-116 C), its atmosphere mainly consists of nitrogen, oxygen and it has 29 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LAA427.1LAA427.2LAA427.3LAA427.4
distance from star:18*106 km56*106 km110*106 km165*106 km
radius:6518 km8742 km6742 km10318 km
mass:2215*1021 kg5344*1021 kg2451*1021 kg8787*1021 kg
surface gravity: 3.47 m/s2
0.35 Earths
4.66 m/s2
0.47 Earths
3.59 m/s2
0.36 Earths
5.50 m/s2
0.56 Earths
escape velocity:6.735 km/s9.033 km/s6.966 km/s10.66 km/s
year: 130 LAA427.1 days
49 Earth days
908 LAA427.2 days
265 Earth days
1941 LAA427.3 days
728 Earth days
5352 LAA427.4 days
1338 Earth days
day:9 hrs7 hrs9 hrs6 hrs
axial tilt:22°25°18°
temperature:1593 K
1320 C
680 K
407 C
266 K
-7 C
157 K
-116 C
atmosphere:6% H2
2% He
63% N2
29% O2
0% other
1% H2
1% He
69% N2
29% O2
0% other
6% H2
1% He
47% N2
45% O2
1% CO2
0% other
75% N2
22% O2
3% CO2
0% other
moons:0162429
rings:0000

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