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SGD628: red giant star with 12 planets

  SGD628.1   SGD628.2   SGD628.3   SGD628.4   SGD628.5   SGD628.6  
SGD628.7
 
SGD628.8
  SGD628.9  
SGD628.10
 
SGD628.11
  SGD628.12  

Solar system 'SGD628' comprises the star 'SGD628' and the retinue of celestial objects gravitationally bound to it: 12 planets and their 786 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'SGD628', a red giant class star that contains about 99.95% of the system's known mass and dominates it gravitationally. SGD628 is located more than 527 lightyears from the center of the galaxy.

This solar system comprises 12 planets

SGD628.1 is a large terrestrial planet (8974 km radius) which orbits its star in 284 Earth days, one day on SGD628.1 lasts 15 Earth hours. Its average temperature is 1513 K (1240 C), its atmosphere mainly consists of nitrogen and it has 29 moons.
SGD628.2 is a medium terrestrial planet (6124 km radius) which orbits its star in 523 Earth days, one day on SGD628.2 lasts 18 Earth hours. Its average temperature is 1345 K (1072 C), its atmosphere mainly consists of nitrogen, oxygen and it has 11 moons.
SGD628.3 is a very large terrestrial planet (9431 km radius) which orbits its star in 1026 Earth days, one day on SGD628.3 lasts 14 Earth hours. Its average temperature is 1644 K (1371 C), its atmosphere mainly consists of nitrogen, oxygen and it has 43 moons.
SGD628.4 is a small terrestrial planet (4297 km radius) which orbits its star in 1885 Earth days, one day on SGD628.4 lasts 25 Earth hours. Its average temperature is 1949 K (1676 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
SGD628.5 is a medium terrestrial planet (5514 km radius) which orbits its star in 3463 Earth days, one day on SGD628.5 lasts 20 Earth hours. Its average temperature is 1082 K (809 C), its atmosphere mainly consists of nitrogen, oxygen and it has 15 moons.
SGD628.6 is a large terrestrial planet (8126 km radius) which orbits its star in 6363 Earth days, one day on SGD628.6 lasts 15 Earth hours. Its average temperature is 577 K (304 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
SGD628.7 is a medium gas giant (25156 km radius) which orbits its star in 27842 Earth days, one day on SGD628.7 lasts 12 Earth hours. Its average temperature is 1799 K (1526 C), its atmosphere mainly consists of hydrogen, helium and it has 152 moons.
SGD628.8 is a large gas giant (79442 km radius) which orbits its star in 76010 Earth days, one day on SGD628.8 lasts 12 Earth hours. Its average temperature is 1085 K (812 C), its atmosphere mainly consists of hydrogen, helium and it has 110 moons.
SGD628.9 is a huge terrestrial planet (12135 km radius) which orbits its star in 139639 Earth days, one day on SGD628.9 lasts 13 Earth hours. Its average temperature is 1888 K (1615 C), its atmosphere mainly consists of hydrogen, helium and it has 42 moons.
SGD628.10 is a large gas giant (72116 km radius) which orbits its star in 324839 Earth days, one day on SGD628.10 lasts 12 Earth hours. Its average temperature is 1461 K (1188 C), its atmosphere mainly consists of hydrogen and it has 71 moons.
SGD628.11 is a medium gas giant (36499 km radius) which orbits its star in 596768 Earth days, one day on SGD628.11 lasts 12 Earth hours. Its average temperature is 1641 K (1368 C), its atmosphere mainly consists of hydrogen and it has 145 moons.
SGD628.12 is a medium gas giant (37212 km radius) which orbits its star in 1096333 Earth days, one day on SGD628.12 lasts 12 Earth hours. Its average temperature is 1737 K (1464 C), its atmosphere mainly consists of hydrogen, helium and it has 149 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:SGD628.1SGD628.2SGD628.3SGD628.4SGD628.5
distance from star:58*106 km88*106 km138*106 km207*106 km311*106 km
radius:8974 km6124 km9431 km4297 km5514 km
mass:5781*1021 kg1837*1021 kg6710*1021 kg634*1021 kg1341*1021 kg
surface gravity: 4.79 m/s2
0.48 Earths
3.26 m/s2
0.33 Earths
5.03 m/s2
0.51 Earths
2.29 m/s2
0.23 Earths
2.94 m/s2
0.30 Earths
escape velocity:9.273 km/s6.327 km/s9.745 km/s4.437 km/s5.697 km/s
year: 454 SGD628.1 days
284 Earth days
697 SGD628.2 days
523 Earth days
1758 SGD628.3 days
1026 Earth days
1809 SGD628.4 days
1885 Earth days
4155 SGD628.5 days
3463 Earth days
day:15 hrs18 hrs14 hrs25 hrs20 hrs
axial tilt:176°17°
temperature:1513 K
1240 C
1345 K
1072 C
1644 K
1371 C
1949 K
1676 C
1082 K
809 C
atmosphere:82% N2
10% O2
8% CO2
0% other
1% He
76% N2
21% O2
2% CO2
0% other
2% H2
1% He
70% N2
27% O2
0% other
81% N2
19% O2
0% other
72% N2
27% O2
1% CO2
0% other
moons:291143015
rings:00000

planet:SGD628.6SGD628.7SGD628.8SGD628.9SGD628.10
distance from star:466*106 km1248*106 km2438*106 km3657*106 km6421*106 km
radius:8126 km25156 km79442 km12135 km72116 km
mass:4292*1021 kg127354*1021 kg4010887*1021 kg14295*1021 kg3000439*1021 kg
surface gravity: 4.33 m/s2
0.44 Earths
13.4 m/s2
1.37 Earths
42.4 m/s2
4.33 Earths
6.47 m/s2
0.66 Earths
38.5 m/s2
3.93 Earths
escape velocity:8.396 km/s25.99 km/s82.09 km/s12.53 km/s74.52 km/s
year: 10180 SGD628.6 days
6363 Earth days
55684 SGD628.7 days
27842 Earth days
152020 SGD628.8 days
76010 Earth days
257795 SGD628.9 days
139639 Earth days
649678 SGD628.10 days
324839 Earth days
day:15 hrs12 hrs12 hrs13 hrs12 hrs
axial tilt:25°77°
temperature:577 K
304 C
1799 K
1526 C
1085 K
812 C
1888 K
1615 C
1461 K
1188 C
atmosphere:2% H2
1% He
57% N2
40% O2
0% other
85% H2
15% He
0% other
79% H2
21% He
0% other
87% H2
13% He
0% other
93% H2
7% He
0% other
moons:191521104271
rings:01714012

planet:SGD628.11SGD628.12
distance from star:9632*106 km14449*106 km
radius:36499 km37212 km
mass:388985*1021 kg412229*1021 kg
surface gravity: 19.4 m/s2
1.98 Earths
19.8 m/s2
2.02 Earths
escape velocity:37.71 km/s38.45 km/s
year: 1193536 SGD628.11 days
596768 Earth days
2192666 SGD628.12 days
1096333 Earth days
day:12 hrs12 hrs
axial tilt:
temperature:1641 K
1368 C
1737 K
1464 C
atmosphere:96% H2
4% He
0% other
80% H2
20% He
0% other
moons:145149
rings:150

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