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LCB831: red dwarf star with 4 planets

  LCB831.1   LCB831.2   LCB831.3  
LCB831.4
 

Solar system 'LCB831' comprises the star 'LCB831' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 279 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LCB831', a red dwarf class star that contains about 99.97% of the system's known mass and dominates it gravitationally. LCB831 is located more than 5020 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LCB831.1 is a large terrestrial planet (8190 km radius) which orbits its star in 419 Earth days, one day on LCB831.1 lasts 7 Earth hours. Its average temperature is 205 K (-68 C), its atmosphere mainly consists of nitrogen and it has 25 moons.
LCB831.2 is a medium terrestrial planet (5044 km radius) which orbits its star in 770 Earth days, one day on LCB831.2 lasts 13 Earth hours. Its average temperature is 182 K (-91 C), its atmosphere mainly consists of nitrogen, oxygen and it has 6 moons.
LCB831.3 is a massive terrestrial planet (16433 km radius) which orbits its star in 17349 Earth days, one day on LCB831.3 lasts 4 Earth hours. Its average temperature is 1848 K (1575 C), its atmosphere mainly consists of hydrogen, helium and it has 123 moons.
LCB831.4 is a medium gas giant (31000 km radius) which orbits its star in 44427 Earth days, one day on LCB831.4 lasts 4 Earth hours. Its average temperature is 1103 K (830 C), its atmosphere mainly consists of hydrogen, helium and it has 125 moons.
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Planetary Orbits

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Planetary Statistics

planet:LCB831.1LCB831.2LCB831.3LCB831.4
distance from star:76*106 km114*106 km910*106 km1704*106 km
radius:8190 km5044 km16433 km31000 km
mass:4394*1021 kg1026*1021 kg35500*1021 kg238328*1021 kg
surface gravity: 4.37 m/s2
0.44 Earths
2.69 m/s2
0.27 Earths
8.77 m/s2
0.89 Earths
16.5 m/s2
1.68 Earths
escape velocity:8.462 km/s5.210 km/s16.98 km/s32.03 km/s
year: 1436 LCB831.1 days
419 Earth days
1421 LCB831.2 days
770 Earth days
104094 LCB831.3 days
17349 Earth days
266562 LCB831.4 days
44427 Earth days
day:7 hrs13 hrs4 hrs4 hrs
axial tilt:158°16°
temperature:205 K
-68 C
182 K
-91 C
1848 K
1575 C
1103 K
830 C
atmosphere:87% N2
9% O2
4% CO2
0% other
2% H2
1% He
75% N2
21% O2
1% CO2
0% other
79% H2
21% He
0% other
84% H2
16% He
0% other
moons:256123125
rings:0008

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