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LAK254: red dwarf star with 4 planets

  LAK254.1   LAK254.2   LAK254.3  
LAK254.4
 

Solar system 'LAK254' comprises the star 'LAK254' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 293 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LAK254', a red dwarf class star that contains about 99.65% of the system's known mass and dominates it gravitationally. LAK254 is located more than 5219 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LAK254.1 is a very large terrestrial planet (11048 km radius) which orbits its star in 511 Earth days, one day on LAK254.1 lasts 6 Earth hours. Its average temperature is 159 K (-114 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 18 moons.
LAK254.2 is a very large terrestrial planet (11524 km radius) which orbits its star in 1318 Earth days, one day on LAK254.2 lasts 5 Earth hours. Its average temperature is 90 K (-183 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
LAK254.3 is a medium gas giant (29736 km radius) which orbits its star in 8533 Earth days, one day on LAK254.3 lasts 4 Earth hours. Its average temperature is 1353 K (1080 C), its atmosphere mainly consists of hydrogen and it has 161 moons.
LAK254.4 is a large gas giant (76989 km radius) which orbits its star in 25086 Earth days, one day on LAK254.4 lasts 4 Earth hours. Its average temperature is 1012 K (739 C), its atmosphere mainly consists of hydrogen, helium and it has 97 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LAK254.1LAK254.2LAK254.3LAK254.4
distance from star:86*106 km163*106 km567*106 km1164*106 km
radius:11048 km11524 km29736 km76989 km
mass:10788*1021 kg12243*1021 kg210347*1021 kg3650698*1021 kg
surface gravity: 5.89 m/s2
0.60 Earths
6.15 m/s2
0.62 Earths
15.8 m/s2
1.61 Earths
41.1 m/s2
4.20 Earths
escape velocity:11.41 km/s11.90 km/s30.72 km/s79.55 km/s
year: 2044 LAK254.1 days
511 Earth days
6326 LAK254.2 days
1318 Earth days
51198 LAK254.3 days
8533 Earth days
150516 LAK254.4 days
25086 Earth days
day:6 hrs5 hrs4 hrs4 hrs
axial tilt:16°17°
temperature:159 K
-114 C
90 K
-183 C
1353 K
1080 C
1012 K
739 C
atmosphere:27% H2
3% He
22% N2
47% O2
1% CO2
0% other
1% H2
1% He
79% N2
14% O2
5% CO2
0% other
92% H2
8% He
0% other
85% H2
15% He
0% other
moons:181716197
rings:00011

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