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LBB686: red giant star with 5 planets

 
LBB686.1
  LBB686.2   LBB686.3   LBB686.4  
LBB686.5
 

Solar system 'LBB686' is a dual star system that comprises the stars 'LBB686.A' and 'LBB686.B' and the retinue of celestial objects gravitationally bound to them: 5 planets and their 239 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'LBB686.A' and 'LBB686.B' that dominate it gravitationally. 'LBB686.A' is a red giant class star that contains about 81% of the system's known mass, 'LBB686.B' is a yellow dwarf class star that contains about 18% of the system's known mass.

System 'LBB686' is located more than 5452 lightyears from the center of the galaxy.

This solar system comprises 5 planets

LBB686.1 is a very large terrestrial planet (9600 km radius) which orbits its star in 481 Earth days, one day on LBB686.1 lasts 7 Earth hours. Its average temperature is 679 K (406 C), its atmosphere mainly consists of nitrogen, oxygen and it has 8 moons.
LBB686.2 is a very large terrestrial planet (9877 km radius) which orbits its star in 883 Earth days, one day on LBB686.2 lasts 7 Earth hours. Its average temperature is 603 K (330 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 28 moons.
LBB686.3 is a small terrestrial planet (3876 km radius) which orbits its star in 1623 Earth days, one day on LBB686.3 lasts 21 Earth hours. Its average temperature is 402 K (129 C), its atmosphere mainly consists of nitrogen, oxygen and it has 8 moons.
LBB686.4 is a medium gas giant (31750 km radius) which orbits its star in 4618 Earth days, one day on LBB686.4 lasts 5 Earth hours. Its average temperature is 1266 K (993 C), its atmosphere mainly consists of hydrogen and it has 88 moons.
LBB686.5 is a large gas giant (63548 km radius) which orbits its star in 99645 Earth days, one day on LBB686.5 lasts 5 Earth hours. Its average temperature is 1278 K (1005 C), its atmosphere mainly consists of hydrogen, helium and it has 107 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LBB686.1LBB686.2LBB686.3LBB686.4LBB686.5
distance from star:83*106 km125*106 km187*106 km376*106 km2920*106 km
radius:9600 km9877 km3876 km31750 km63548 km
mass:7077*1021 kg7708*1021 kg465*1021 kg256047*1021 kg2053031*1021 kg
surface gravity: 5.12 m/s2
0.52 Earths
5.27 m/s2
0.53 Earths
2.06 m/s2
0.21 Earths
16.9 m/s2
1.72 Earths
33.9 m/s2
3.46 Earths
escape velocity:9.919 km/s10.20 km/s4.001 km/s32.80 km/s65.66 km/s
year: 1649 LBB686.1 days
481 Earth days
3027 LBB686.2 days
883 Earth days
1854 LBB686.3 days
1623 Earth days
22166 LBB686.4 days
4618 Earth days
478296 LBB686.5 days
99645 Earth days
day:7 hrs7 hrs21 hrs5 hrs5 hrs
axial tilt:25°220°19°
temperature:679 K
406 C
603 K
330 C
402 K
129 C
1266 K
993 C
1278 K
1005 C
atmosphere:6% H2
3% He
52% N2
37% O2
2% CO2
0% other
11% H2
2% He
53% N2
34% O2
0% other
87% N2
13% O2
0% other
95% H2
5% He
0% other
78% H2
22% He
0% other
moons:828888107
rings:30006

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