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LHK580: red giant star with 4 planets

  LHK580.1   LHK580.2  
LHK580.3
 
LHK580.4
 

Solar system 'LHK580' is a dual star system that comprises the stars 'LHK580.A' and 'LHK580.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 149 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'LHK580.A' and 'LHK580.B' that dominate it gravitationally. 'LHK580.A' is a red giant class star that contains about 79% of the system's known mass, 'LHK580.B' is a red giant class star that contains about 20% of the system's known mass.

System 'LHK580' is located more than 2031 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LHK580.1 is a very large terrestrial planet (9640 km radius) which orbits its star in 19 Earth days, one day on LHK580.1 lasts 6 Earth hours. Its average temperature is 1326 K (1053 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 5 moons.
LHK580.2 is a very large terrestrial planet (11518 km radius) which orbits its star in 222 Earth days, one day on LHK580.2 lasts 5 Earth hours. Its average temperature is 1631 K (1358 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 26 moons.
LHK580.3 is a medium gas giant (28522 km radius) which orbits its star in 15813 Earth days, one day on LHK580.3 lasts 4 Earth hours. Its average temperature is 1450 K (1177 C), its atmosphere mainly consists of hydrogen, helium and it has 107 moons.
LHK580.4 is a very small terrestrial planet (2624 km radius) which orbits its star in 20786 Earth days, one day on LHK580.4 lasts 40 Earth hours. Its average temperature is 1779 K (1506 C), its atmosphere mainly consists of and it has 11 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LHK580.1LHK580.2LHK580.3LHK580.4
distance from star:9*106 km49*106 km856*106 km1027*106 km
radius:9640 km11518 km28522 km2624 km
mass:7166*1021 kg12224*1021 kg185622*1021 kg144*1021 kg
surface gravity: 5.14 m/s2
0.52 Earths
6.14 m/s2
0.62 Earths
15.2 m/s2
1.55 Earths
1.39 m/s2
0.14 Earths
escape velocity:9.961 km/s11.90 km/s29.47 km/s2.706 km/s
year: 76 LHK580.1 days
19 Earth days
1065 LHK580.2 days
222 Earth days
94878 LHK580.3 days
15813 Earth days
12471 LHK580.4 days
20786 Earth days
day:6 hrs5 hrs4 hrs40 hrs
axial tilt:16°30°85°17°
temperature:1326 K
1053 C
1631 K
1358 C
1450 K
1177 C
1779 K
1506 C
atmosphere:13% H2
2% He
44% N2
41% O2
0% other
13% H2
3% He
42% N2
42% O2
0% other
88% H2
12% He
0% other
100% other
moons:52610711
rings:0066

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