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LHG783: red giant star with 4 planets

  LHG783.1   LHG783.2  
LHG783.3
 
LHG783.4
 

Solar system 'LHG783' comprises the star 'LHG783' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 673 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LHG783', a red giant class star that contains about 99.96% of the system's known mass and dominates it gravitationally. LHG783 is located more than 2112 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LHG783.1 is a medium gas giant (26099 km radius) which orbits its star in 2801 Earth days, one day on LHG783.1 lasts 4 Earth hours. Its average temperature is 1915 K (1642 C), its atmosphere mainly consists of hydrogen, helium and it has 148 moons.
LHG783.2 is a large gas giant (49148 km radius) which orbits its star in 79223 Earth days, one day on LHG783.2 lasts 4 Earth hours. Its average temperature is 1554 K (1281 C), its atmosphere mainly consists of hydrogen, helium and it has 175 moons.
LHG783.3 is a large gas giant (42149 km radius) which orbits its star in 145542 Earth days, one day on LHG783.3 lasts 4 Earth hours. Its average temperature is 1124 K (851 C), its atmosphere mainly consists of hydrogen, helium and it has 175 moons.
LHG783.4 is a medium gas giant (36415 km radius) which orbits its star in 267379 Earth days, one day on LHG783.4 lasts 4 Earth hours. Its average temperature is 1023 K (750 C), its atmosphere mainly consists of hydrogen and it has 175 moons.
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Planetary Orbits

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Planetary Statistics

planet:LHG783.1LHG783.2LHG783.3LHG783.4
distance from star:270*106 km2506*106 km3760*106 km5640*106 km
radius:26099 km49148 km42149 km36415 km
mass:142220*1021 kg949746*1021 kg599034*1021 kg386305*1021 kg
surface gravity: 13.9 m/s2
1.42 Earths
26.2 m/s2
2.67 Earths
22.5 m/s2
2.30 Earths
19.4 m/s2
1.98 Earths
escape velocity:26.97 km/s50.78 km/s43.55 km/s37.63 km/s
year: 16806 LHG783.1 days
2801 Earth days
475338 LHG783.2 days
79223 Earth days
873252 LHG783.3 days
145542 Earth days
1604274 LHG783.4 days
267379 Earth days
day:4 hrs4 hrs4 hrs4 hrs
axial tilt:
temperature:1915 K
1642 C
1554 K
1281 C
1124 K
851 C
1023 K
750 C
atmosphere:86% H2
14% He
0% other
80% H2
20% He
0% other
83% H2
17% He
0% other
98% H2
2% He
0% other
moons:148175175175
rings:001710

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