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LBK488: red dwarf star with 4 planets

  LBK488.1   LBK488.2  
LBK488.3
 
LBK488.4
 

Solar system 'LBK488' comprises the star 'LBK488' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 109 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LBK488', a red dwarf class star that contains about 99.52% of the system's known mass and dominates it gravitationally. LBK488 is located more than 5048 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LBK488.1 is a small terrestrial planet (4376 km radius) which orbits its star in 1 Earth days, one day on LBK488.1 lasts 17 Earth hours. Its average temperature is 1620 K (1347 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LBK488.2 is a very large terrestrial planet (11919 km radius) which orbits its star in 328 Earth days, one day on LBK488.2 lasts 5 Earth hours. Its average temperature is 375 K (102 C), its atmosphere mainly consists of nitrogen, oxygen and it has 22 moons.
LBK488.3 is a medium terrestrial planet (5800 km radius) which orbits its star in 602 Earth days, one day on LBK488.3 lasts 11 Earth hours. Its average temperature is 250 K (-23 C), its atmosphere mainly consists of nitrogen and it has 13 moons.
LBK488.4 is a large gas giant (75716 km radius) which orbits its star in 38130 Earth days, one day on LBK488.4 lasts 4 Earth hours. Its average temperature is 1963 K (1690 C), its atmosphere mainly consists of hydrogen, helium and it has 74 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LBK488.1LBK488.2LBK488.3LBK488.4
distance from star:1*106 km64*106 km96*106 km1539*106 km
radius:4376 km11919 km5800 km75716 km
mass:670*1021 kg13545*1021 kg1560*1021 kg3472585*1021 kg
surface gravity: 2.33 m/s2
0.23 Earths
6.36 m/s2
0.65 Earths
3.09 m/s2
0.31 Earths
40.4 m/s2
4.13 Earths
escape velocity:4.520 km/s12.31 km/s5.991 km/s78.24 km/s
year: 1 LBK488.1 days
1 Earth days
1574 LBK488.2 days
328 Earth days
1313 LBK488.3 days
602 Earth days
228780 LBK488.4 days
38130 Earth days
day:17 hrs5 hrs11 hrs4 hrs
axial tilt:145°27°
temperature:1620 K
1347 C
375 K
102 C
250 K
-23 C
1963 K
1690 C
atmosphere:4% He
46% N2
49% O2
1% CO2
0% other
1% H2
1% He
78% N2
17% O2
3% CO2
0% other
84% N2
8% O2
8% CO2
0% other
85% H2
15% He
0% other
moons:0221374
rings:00611

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