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LBJ656: yellow dwarf star with 4 planets

 
LBJ656.1
 
LBJ656.2
 
LBJ656.3
  LBJ656.4  

Solar system 'LBJ656' is a dual star system that comprises the stars 'LBJ656.A' and 'LBJ656.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 461 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'LBJ656.A' and 'LBJ656.B' that dominate it gravitationally. 'LBJ656.A' is a yellow dwarf class star that contains about 63% of the system's known mass, 'LBJ656.B' is a yellow dwarf class star that contains about 36% of the system's known mass.

System 'LBJ656' is located more than 3662 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LBJ656.1 is a medium gas giant (33621 km radius) which orbits its star in 7882 Earth days, one day on LBJ656.1 lasts 4 Earth hours. Its average temperature is 1468 K (1195 C), its atmosphere mainly consists of hydrogen and it has 178 moons.
LBJ656.2 is a large terrestrial planet (7486 km radius) which orbits its star in 14481 Earth days, one day on LBJ656.2 lasts 8 Earth hours. Its average temperature is 1744 K (1471 C), its atmosphere mainly consists of hydrogen and it has 143 moons.
LBJ656.3 is a large gas giant (42189 km radius) which orbits its star in 31405 Earth days, one day on LBJ656.3 lasts 4 Earth hours. Its average temperature is 1856 K (1583 C), its atmosphere mainly consists of hydrogen and it has 91 moons.
LBJ656.4 is a small terrestrial planet (4557 km radius) which orbits its star in 41283 Earth days, one day on LBJ656.4 lasts 16 Earth hours. Its average temperature is 1056 K (783 C), its atmosphere mainly consists of and it has 49 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LBJ656.1LBJ656.2LBJ656.3LBJ656.4
distance from star:538*106 km807*106 km1352*106 km1623*106 km
radius:33621 km7486 km42189 km4557 km
mass:304033*1021 kg3356*1021 kg600741*1021 kg757*1021 kg
surface gravity: 17.9 m/s2
1.83 Earths
3.99 m/s2
0.40 Earths
22.5 m/s2
2.30 Earths
2.43 m/s2
0.24 Earths
escape velocity:34.74 km/s7.735 km/s43.59 km/s4.708 km/s
year: 47292 LBJ656.1 days
7882 Earth days
43443 LBJ656.2 days
14481 Earth days
188430 LBJ656.3 days
31405 Earth days
61924 LBJ656.4 days
41283 Earth days
day:4 hrs8 hrs4 hrs16 hrs
axial tilt:14°
temperature:1468 K
1195 C
1744 K
1471 C
1856 K
1583 C
1056 K
783 C
atmosphere:92% H2
8% He
0% other
94% H2
6% He
0% other
90% H2
10% He
0% other
100% other
moons:1781439149
rings:1323230

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