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SGC478: red dwarf star with 4 planets

  SGC478.1   SGC478.2  
SGC478.3
 
SGC478.4
 

Solar system 'SGC478' comprises the star 'SGC478' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 174 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'SGC478', a red dwarf class star that contains about 99.35% of the system's known mass and dominates it gravitationally. SGC478 is located more than 2306 lightyears from the center of the galaxy.

This solar system comprises 4 planets

SGC478.1 is a very large terrestrial planet (11055 km radius) which orbits its star in 79 Earth days, one day on SGC478.1 lasts 6 Earth hours. Its average temperature is 394 K (121 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
SGC478.2 is a medium terrestrial planet (5215 km radius) which orbits its star in 225 Earth days, one day on SGC478.2 lasts 13 Earth hours. Its average temperature is 194 K (-79 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
SGC478.3 is a medium gas giant (29741 km radius) which orbits its star in 13238 Earth days, one day on SGC478.3 lasts 4 Earth hours. Its average temperature is 1660 K (1387 C), its atmosphere mainly consists of hydrogen and it has 100 moons.
SGC478.4 is a large gas giant (54227 km radius) which orbits its star in 46846 Earth days, one day on SGC478.4 lasts 4 Earth hours. Its average temperature is 1544 K (1271 C), its atmosphere mainly consists of hydrogen and it has 70 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:SGC478.1SGC478.2SGC478.3SGC478.4
distance from star:25*106 km50*106 km760*106 km1766*106 km
radius:11055 km5215 km29741 km54227 km
mass:10808*1021 kg1134*1021 kg210453*1021 kg1275665*1021 kg
surface gravity: 5.90 m/s2
0.60 Earths
2.78 m/s2
0.28 Earths
15.8 m/s2
1.61 Earths
28.9 m/s2
2.95 Earths
escape velocity:11.42 km/s5.387 km/s30.73 km/s56.03 km/s
year: 316 SGC478.1 days
79 Earth days
415 SGC478.2 days
225 Earth days
79428 SGC478.3 days
13238 Earth days
281076 SGC478.4 days
46846 Earth days
day:6 hrs13 hrs4 hrs4 hrs
axial tilt:28°83°
temperature:394 K
121 C
194 K
-79 C
1660 K
1387 C
1544 K
1271 C
atmosphere:1% He
64% N2
34% O2
1% CO2
0% other
2% He
66% N2
32% O2
0% other
99% H2
1% He
0% other
99% H2
1% He
0% other
moons:1310070
rings:001711

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