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SGG721: red giant star with 16 planets

  SGG721.1   SGG721.2   SGG721.3   SGG721.4   SGG721.5   SGG721.6   SGG721.7   SGG721.8  
SGG721.9
 
SGG721.10
  SGG721.11  
SGG721.12
 
SGG721.13
 
SGG721.14
 
SGG721.15
 
SGG721.16
 

Solar system 'SGG721' comprises the star 'SGG721' and the retinue of celestial objects gravitationally bound to it: 16 planets and their 894 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'SGG721', a red giant class star that contains about 99.94% of the system's known mass and dominates it gravitationally. SGG721 is located more than 2615 lightyears from the center of the galaxy.

This solar system comprises 16 planets

SGG721.1 is a large terrestrial planet (8527 km radius) which orbits its star in 0 Earth days, one day on SGG721.1 lasts 19 Earth hours. Its average temperature is 1820 K (1547 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
SGG721.2 is a small terrestrial planet (4899 km radius) which orbits its star in 135 Earth days, one day on SGG721.2 lasts 26 Earth hours. Its average temperature is 1679 K (1406 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
SGG721.3 is a medium terrestrial planet (6385 km radius) which orbits its star in 606 Earth days, one day on SGG721.3 lasts 22 Earth hours. Its average temperature is 1361 K (1088 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
SGG721.4 is a medium terrestrial planet (5973 km radius) which orbits its star in 1113 Earth days, one day on SGG721.4 lasts 23 Earth hours. Its average temperature is 1614 K (1341 C), its atmosphere mainly consists of nitrogen, oxygen and it has 24 moons.
SGG721.5 is a small terrestrial planet (3261 km radius) which orbits its star in 2045 Earth days, one day on SGG721.5 lasts 39 Earth hours. Its average temperature is 896 K (623 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
SGG721.6 is a very large terrestrial planet (9997 km radius) which orbits its star in 3757 Earth days, one day on SGG721.6 lasts 18 Earth hours. Its average temperature is 478 K (205 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 28 moons.
SGG721.7 is a small terrestrial planet (4342 km radius) which orbits its star in 6902 Earth days, one day on SGG721.7 lasts 29 Earth hours. Its average temperature is 247 K (-26 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
SGG721.8 is a very large terrestrial planet (9361 km radius) which orbits its star in 12681 Earth days, one day on SGG721.8 lasts 18 Earth hours. Its average temperature is 125 K (-148 C), its atmosphere mainly consists of nitrogen, oxygen and it has 29 moons.
SGG721.9 is a medium gas giant (25927 km radius) which orbits its star in 23296 Earth days, one day on SGG721.9 lasts 16 Earth hours. Its average temperature is 1821 K (1548 C), its atmosphere mainly consists of hydrogen and it has 88 moons.
SGG721.10 is a large gas giant (40345 km radius) which orbits its star in 53688 Earth days, one day on SGG721.10 lasts 16 Earth hours. Its average temperature is 1114 K (841 C), its atmosphere mainly consists of hydrogen and it has 87 moons.
SGG721.11 is a small gas giant (18318 km radius) which orbits its star in 98631 Earth days, one day on SGG721.11 lasts 16 Earth hours. Its average temperature is 1346 K (1073 C), its atmosphere mainly consists of hydrogen, helium and it has 114 moons.
SGG721.12 is a medium gas giant (35608 km radius) which orbits its star in 181197 Earth days, one day on SGG721.12 lasts 16 Earth hours. Its average temperature is 1510 K (1237 C), its atmosphere mainly consists of hydrogen, helium and it has 132 moons.
SGG721.13 is a large gas giant (76805 km radius) which orbits its star in 456415 Earth days, one day on SGG721.13 lasts 16 Earth hours. Its average temperature is 1398 K (1125 C), its atmosphere mainly consists of hydrogen, helium and it has 140 moons.
SGG721.14 is a very large terrestrial planet (9389 km radius) which orbits its star in 838489 Earth days, one day on SGG721.14 lasts 18 Earth hours. Its average temperature is 1366 K (1093 C), its atmosphere mainly consists of hydrogen, helium and it has 159 moons.
SGG721.15 is a small terrestrial planet (4666 km radius) which orbits its star in 1102223 Earth days, one day on SGG721.15 lasts 27 Earth hours. Its average temperature is 1603 K (1330 C), its atmosphere mainly consists of and it has 32 moons.
SGG721.16 is a medium terrestrial planet (6191 km radius) which orbits its star in 1448910 Earth days, one day on SGG721.16 lasts 22 Earth hours. Its average temperature is 1216 K (943 C), its atmosphere mainly consists of and it has 55 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:SGG721.1SGG721.2SGG721.3SGG721.4SGG721.5
distance from star:1*106 km35*106 km97*106 km145*106 km218*106 km
radius:8527 km4899 km6385 km5973 km3261 km
mass:4959*1021 kg940*1021 kg2082*1021 kg1704*1021 kg277*1021 kg
surface gravity: 4.55 m/s2
0.46 Earths
2.61 m/s2
0.26 Earths
3.40 m/s2
0.34 Earths
3.18 m/s2
0.32 Earths
1.73 m/s2
0.17 Earths
escape velocity:8.810 km/s5.060 km/s6.597 km/s6.171 km/s3.367 km/s
year: 0 SGG721.1 days
0 Earth days
124 SGG721.2 days
135 Earth days
661 SGG721.3 days
606 Earth days
1161 SGG721.4 days
1113 Earth days
1258 SGG721.5 days
2045 Earth days
day:19 hrs26 hrs22 hrs23 hrs39 hrs
axial tilt:23°12°20°288°26°
temperature:1820 K
1547 C
1679 K
1406 C
1361 K
1088 C
1614 K
1341 C
896 K
623 C
atmosphere:1% He
57% N2
42% O2
0% other
86% N2
9% O2
5% CO2
0% other
82% N2
8% O2
10% CO2
0% other
8% H2
2% He
49% N2
40% O2
1% CO2
0% other
2% H2
1% He
56% N2
41% O2
0% other
moons:000242
rings:00000

planet:SGG721.6SGG721.7SGG721.8SGG721.9SGG721.10
distance from star:328*106 km492*106 km739*106 km1108*106 km1934*106 km
radius:9997 km4342 km9361 km25927 km40345 km
mass:7992*1021 kg654*1021 kg6562*1021 kg139426*1021 kg525362*1021 kg
surface gravity: 5.33 m/s2
0.54 Earths
2.31 m/s2
0.23 Earths
4.99 m/s2
0.51 Earths
13.8 m/s2
1.41 Earths
21.5 m/s2
2.19 Earths
escape velocity:10.33 km/s4.483 km/s9.673 km/s26.79 km/s41.69 km/s
year: 5009 SGG721.6 days
3757 Earth days
5712 SGG721.7 days
6902 Earth days
16908 SGG721.8 days
12681 Earth days
34944 SGG721.9 days
23296 Earth days
80532 SGG721.10 days
53688 Earth days
day:18 hrs29 hrs18 hrs16 hrs16 hrs
axial tilt:28°209°
temperature:478 K
205 C
247 K
-26 C
125 K
-148 C
1821 K
1548 C
1114 K
841 C
atmosphere:35% N2
65% CO2
0% other
2% He
50% N2
48% O2
0% other
89% N2
11% O2
0% other
99% H2
1% He
0% other
92% H2
8% He
0% other
moons:284298887
rings:0001116

planet:SGG721.11SGG721.12SGG721.13SGG721.14SGG721.15
distance from star:2901*106 km4351*106 km8056*106 km12084*106 km14501*106 km
radius:18318 km35608 km76805 km9389 km4666 km
mass:49172*1021 kg361187*1021 kg3624586*1021 kg6621*1021 kg812*1021 kg
surface gravity: 9.78 m/s2
1 Earths
19.0 m/s2
1.94 Earths
41.0 m/s2
4.19 Earths
5.01 m/s2
0.51 Earths
2.48 m/s2
0.25 Earths
escape velocity:18.92 km/s36.79 km/s79.36 km/s9.702 km/s4.819 km/s
year: 147946 SGG721.11 days
98631 Earth days
271795 SGG721.12 days
181197 Earth days
684622 SGG721.13 days
456415 Earth days
1117985 SGG721.14 days
838489 Earth days
979753 SGG721.15 days
1102223 Earth days
day:16 hrs16 hrs16 hrs18 hrs27 hrs
axial tilt:27°
temperature:1346 K
1073 C
1510 K
1237 C
1398 K
1125 C
1366 K
1093 C
1603 K
1330 C
atmosphere:87% H2
13% He
0% other
83% H2
17% He
0% other
83% H2
17% He
0% other
85% H2
15% He
0% other
100% other
moons:11413214015932
rings:011193

planet:SGG721.16
distance from star:17401*106 km
radius:6191 km
mass:1898*1021 kg
surface gravity: 3.30 m/s2
0.33 Earths
escape velocity:6.397 km/s
year: 1580629 SGG721.16 days
1448910 Earth days
day:22 hrs
axial tilt:30°
temperature:1216 K
943 C
atmosphere:100% other
moons:55
rings:1

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