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LBH421: red dwarf star with 2 planets

  LBH421.1   LBH421.2  

Solar system 'LBH421' comprises the star 'LBH421' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 121 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LBH421', a red dwarf class star that contains about 99.77% of the system's known mass and dominates it gravitationally. LBH421 is located more than 4875 lightyears from the center of the galaxy.

This solar system comprises 2 planets

LBH421.1 is a very large terrestrial planet (9574 km radius) which orbits its star in 309 Earth days, one day on LBH421.1 lasts 4 Earth hours. Its average temperature is 222 K (-51 C), its atmosphere mainly consists of nitrogen and it has 8 moons.
LBH421.2 is a large gas giant (60568 km radius) which orbits its star in 34029 Earth days, one day on LBH421.2 lasts 2 Earth hours. Its average temperature is 1856 K (1583 C), its atmosphere mainly consists of hydrogen, helium and it has 113 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:62*106 km1427*106 km
radius:9574 km60568 km
mass:7020*1021 kg1777541*1021 kg
surface gravity: 5.11 m/s2
0.52 Earths
32.3 m/s2
3.30 Earths
escape velocity:9.893 km/s62.59 km/s
year: 1854 LBH421.1 days
309 Earth days
408348 LBH421.2 days
34029 Earth days
day:4 hrs2 hrs
axial tilt:282°
temperature:222 K
-51 C
1856 K
1583 C
atmosphere:85% N2
6% O2
9% CO2
0% other
87% H2
13% He
0% other

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