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LHK645: red giant star with 5 planets

 
LHK645.1
  LHK645.2   LHK645.3  
LHK645.4
 
LHK645.5
 

Solar system 'LHK645' comprises the star 'LHK645' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 248 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LHK645', a red giant class star that contains about 99.97% of the system's known mass and dominates it gravitationally. LHK645 is located more than 2073 lightyears from the center of the galaxy.

This solar system comprises 5 planets

LHK645.1 is a small terrestrial planet (3674 km radius) which orbits its star in 40 Earth days, one day on LHK645.1 lasts 23 Earth hours. Its average temperature is 1335 K (1062 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 0 moons.
LHK645.2 is a very large terrestrial planet (9623 km radius) which orbits its star in 394 Earth days, one day on LHK645.2 lasts 7 Earth hours. Its average temperature is 1035 K (762 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 13 moons.
LHK645.3 is a small terrestrial planet (3405 km radius) which orbits its star in 725 Earth days, one day on LHK645.3 lasts 26 Earth hours. Its average temperature is 1380 K (1107 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 1 moons.
LHK645.4 is a very large terrestrial planet (11932 km radius) which orbits its star in 2275 Earth days, one day on LHK645.4 lasts 6 Earth hours. Its average temperature is 1786 K (1513 C), its atmosphere mainly consists of hydrogen and it has 170 moons.
LHK645.5 is a large gas giant (67447 km radius) which orbits its star in 11033 Earth days, one day on LHK645.5 lasts 5 Earth hours. Its average temperature is 1721 K (1448 C), its atmosphere mainly consists of hydrogen, helium and it has 64 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LHK645.1LHK645.2LHK645.3LHK645.4LHK645.5
distance from star:16*106 km73*106 km109*106 km235*106 km673*106 km
radius:3674 km9623 km3405 km11932 km67447 km
mass:396*1021 kg7128*1021 kg315*1021 kg13590*1021 kg2454583*1021 kg
surface gravity: 1.95 m/s2
0.19 Earths
5.13 m/s2
0.52 Earths
1.81 m/s2
0.18 Earths
6.37 m/s2
0.65 Earths
36.0 m/s2
3.68 Earths
escape velocity:3.793 km/s9.943 km/s3.514 km/s12.33 km/s69.69 km/s
year: 41 LHK645.1 days
40 Earth days
1350 LHK645.2 days
394 Earth days
669 LHK645.3 days
725 Earth days
9100 LHK645.4 days
2275 Earth days
52958 LHK645.5 days
11033 Earth days
day:23 hrs7 hrs26 hrs6 hrs5 hrs
axial tilt:15°13°
temperature:1335 K
1062 C
1035 K
762 C
1380 K
1107 C
1786 K
1513 C
1721 K
1448 C
atmosphere:78% N2
2% O2
20% CO2
0% other
24% H2
3% He
24% N2
48% O2
1% CO2
0% other
82% N2
7% O2
11% CO2
0% other
95% H2
5% He
0% other
85% H2
15% He
0% other
moons:013117064
rings:400242

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