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LAA673: red dwarf star with 4 planets

  LAA673.1   LAA673.2   LAA673.3  
LAA673.4
 

Solar system 'LAA673' comprises the star 'LAA673' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 204 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LAA673', a red dwarf class star that contains about 99.95% of the system's known mass and dominates it gravitationally. LAA673 is located more than 5563 lightyears from the center of the galaxy.

LAA673.1, the first planet in this system, may feature life forms. Its average temperature is 255K (-18C) and it's atmosphere contains 48% of oxygen. One year on LAA673.1 lasts 286 days, one day lasts 7 hours. It's diameter is 16312 km, 1.2 times the diameter of the Earth.

This solar system comprises 4 planets

LAA673.1 is a large terrestrial planet (8156 km radius) which orbits its star in 286 Earth days, one day on LAA673.1 lasts 7 Earth hours. Its average temperature is 255 K (-18 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
LAA673.2 is a medium terrestrial planet (5970 km radius) which orbits its star in 805 Earth days, one day on LAA673.2 lasts 11 Earth hours. Its average temperature is 128 K (-145 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
LAA673.3 is a medium gas giant (26369 km radius) which orbits its star in 11153 Earth days, one day on LAA673.3 lasts 4 Earth hours. Its average temperature is 1488 K (1215 C), its atmosphere mainly consists of hydrogen and it has 114 moons.
LAA673.4 is a medium gas giant (30194 km radius) which orbits its star in 47255 Earth days, one day on LAA673.4 lasts 4 Earth hours. Its average temperature is 1543 K (1270 C), its atmosphere mainly consists of hydrogen, helium and it has 87 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LAA673.1LAA673.2LAA673.3LAA673.4
distance from star:59*106 km117*106 km678*106 km1776*106 km
radius:8156 km5970 km26369 km30194 km
mass:4340*1021 kg1702*1021 kg146680*1021 kg220217*1021 kg
surface gravity: 4.35 m/s2
0.44 Earths
3.18 m/s2
0.32 Earths
14.0 m/s2
1.43 Earths
16.1 m/s2
1.64 Earths
escape velocity:8.427 km/s6.168 km/s27.24 km/s31.20 km/s
year: 980 LAA673.1 days
286 Earth days
1756 LAA673.2 days
805 Earth days
66918 LAA673.3 days
11153 Earth days
283530 LAA673.4 days
47255 Earth days
day:7 hrs11 hrs4 hrs4 hrs
axial tilt:16°85°
temperature:255 K
-18 C
128 K
-145 C
1488 K
1215 C
1543 K
1270 C
atmosphere:7% H2
2% He
43% N2
48% O2
0% other
55% N2
43% O2
2% CO2
0% other
99% H2
1% He
0% other
82% H2
18% He
0% other
moons:1211487
rings:00012

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