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LDC444: red dwarf star with 4 planets

 
LDC444.1
 
LDC444.2
 
LDC444.3
 
LDC444.4
 

Solar system 'LDC444' comprises the star 'LDC444' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 510 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LDC444', a red dwarf class star that contains about 99.07% of the system's known mass and dominates it gravitationally. LDC444 is located more than 4791 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LDC444.1 is a large gas giant (66780 km radius) which orbits its star in 14691 Earth days, one day on LDC444.1 lasts 4 Earth hours. Its average temperature is 1254 K (981 C), its atmosphere mainly consists of hydrogen, helium and it has 136 moons.
LDC444.2 is a medium gas giant (27147 km radius) which orbits its star in 26989 Earth days, one day on LDC444.2 lasts 4 Earth hours. Its average temperature is 1359 K (1086 C), its atmosphere mainly consists of hydrogen, helium and it has 111 moons.
LDC444.3 is a huge terrestrial planet (13979 km radius) which orbits its star in 49582 Earth days, one day on LDC444.3 lasts 5 Earth hours. Its average temperature is 1181 K (908 C), its atmosphere mainly consists of hydrogen, helium and it has 119 moons.
LDC444.4 is a massive terrestrial planet (16884 km radius) which orbits its star in 91088 Earth days, one day on LDC444.4 lasts 4 Earth hours. Its average temperature is 1503 K (1230 C), its atmosphere mainly consists of hydrogen and it has 144 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LDC444.1LDC444.2LDC444.3LDC444.4
distance from star:815*106 km1222*106 km1834*106 km2751*106 km
radius:66780 km27147 km13979 km16884 km
mass:2382479*1021 kg160049*1021 kg21853*1021 kg38504*1021 kg
surface gravity: 35.6 m/s2
3.64 Earths
14.4 m/s2
1.47 Earths
7.46 m/s2
0.76 Earths
9.01 m/s2
0.92 Earths
escape velocity:69.00 km/s28.05 km/s14.44 km/s17.44 km/s
year: 88146 LDC444.1 days
14691 Earth days
161934 LDC444.2 days
26989 Earth days
237993 LDC444.3 days
49582 Earth days
546528 LDC444.4 days
91088 Earth days
day:4 hrs4 hrs5 hrs4 hrs
axial tilt:15°
temperature:1254 K
981 C
1359 K
1086 C
1181 K
908 C
1503 K
1230 C
atmosphere:86% H2
14% He
0% other
84% H2
16% He
0% other
79% H2
21% He
0% other
94% H2
6% He
0% other
moons:136111119144
rings:2122158

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