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TGD912: red giant star with 8 planets

  TGD912.1  
TGD912.2
  TGD912.3  
TGD912.4
  TGD912.5   TGD912.6  
TGD912.7
  TGD912.8  

Solar system 'TGD912' comprises the star 'TGD912' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 395 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'TGD912', a red giant class star that contains about 99.96% of the system's known mass and dominates it gravitationally. TGD912 is located more than 4025 lightyears from the center of the galaxy.

TGD912.3, the third planet in this system, may feature life forms. Its average temperature is 349K (76C) and it's atmosphere contains 14% of oxygen. One year on TGD912.3 lasts 1584 days, one day lasts 55 hours. It's diameter is 4618 km, 0.3 times the diameter of the Earth.

This solar system comprises 8 planets

TGD912.1 is a very large terrestrial planet (9961 km radius) which orbits its star in 267 Earth days, one day on TGD912.1 lasts 10 Earth hours. Its average temperature is 1251 K (978 C), its atmosphere mainly consists of nitrogen, oxygen and it has 29 moons.
TGD912.2 is a large terrestrial planet (7549 km radius) which orbits its star in 862 Earth days, one day on TGD912.2 lasts 12 Earth hours. Its average temperature is 524 K (251 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 23 moons.
TGD912.3 is a very small terrestrial planet (2309 km radius) which orbits its star in 1584 Earth days, one day on TGD912.3 lasts 55 Earth hours. Its average temperature is 349 K (76 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
TGD912.4 is a large terrestrial planet (7844 km radius) which orbits its star in 2910 Earth days, one day on TGD912.4 lasts 12 Earth hours. Its average temperature is 207 K (-66 C), its atmosphere mainly consists of nitrogen and it has 38 moons.
TGD912.5 is a very large terrestrial planet (10979 km radius) which orbits its star in 5347 Earth days, one day on TGD912.5 lasts 10 Earth hours. Its average temperature is 115 K (-158 C), its atmosphere mainly consists of nitrogen, oxygen and it has 35 moons.
TGD912.6 is a large terrestrial planet (7947 km radius) which orbits its star in 9824 Earth days, one day on TGD912.6 lasts 11 Earth hours. Its average temperature is 61 K (-212 C), its atmosphere mainly consists of nitrogen, oxygen and it has 25 moons.
TGD912.7 is a massive terrestrial planet (17920 km radius) which orbits its star in 20087 Earth days, one day on TGD912.7 lasts 8 Earth hours. Its average temperature is 1209 K (936 C), its atmosphere mainly consists of hydrogen, helium and it has 146 moons.
TGD912.8 is a large gas giant (55823 km radius) which orbits its star in 145622 Earth days, one day on TGD912.8 lasts 8 Earth hours. Its average temperature is 1501 K (1228 C), its atmosphere mainly consists of hydrogen, helium and it has 99 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:TGD912.1TGD912.2TGD912.3TGD912.4TGD912.5
distance from star:56*106 km123*106 km184*106 km277*106 km415*106 km
radius:9961 km7549 km2309 km7844 km10979 km
mass:7906*1021 kg3441*1021 kg98*1021 kg3861*1021 kg10587*1021 kg
surface gravity: 5.31 m/s2
0.54 Earths
4.03 m/s2
0.41 Earths
1.22 m/s2
0.12 Earths
4.18 m/s2
0.42 Earths
5.86 m/s2
0.59 Earths
escape velocity:10.29 km/s7.800 km/s2.380 km/s8.105 km/s11.34 km/s
year: 640 TGD912.1 days
267 Earth days
1724 TGD912.2 days
862 Earth days
691 TGD912.3 days
1584 Earth days
5820 TGD912.4 days
2910 Earth days
12832 TGD912.5 days
5347 Earth days
day:10 hrs12 hrs55 hrs12 hrs10 hrs
axial tilt:30°10°14°29°
temperature:1251 K
978 C
524 K
251 C
349 K
76 C
207 K
-66 C
115 K
-158 C
atmosphere:10% H2
2% He
55% N2
33% O2
0% other
12% H2
3% He
37% N2
48% O2
0% other
84% N2
14% O2
2% CO2
0% other
84% N2
10% O2
6% CO2
0% other
9% H2
2% He
49% N2
38% O2
2% CO2
0% other
moons:292303835
rings:05060

planet:TGD912.6TGD912.7TGD912.8
distance from star:623*106 km1004*106 km3761*106 km
radius:7947 km17920 km55823 km
mass:4015*1021 kg46036*1021 kg1391648*1021 kg
surface gravity: 4.24 m/s2
0.43 Earths
9.56 m/s2
0.97 Earths
29.8 m/s2
3.04 Earths
escape velocity:8.212 km/s18.51 km/s57.68 km/s
year: 21434 TGD912.6 days
9824 Earth days
60261 TGD912.7 days
20087 Earth days
436866 TGD912.8 days
145622 Earth days
day:11 hrs8 hrs8 hrs
axial tilt:339°68°
temperature:61 K
-212 C
1209 K
936 C
1501 K
1228 C
atmosphere:82% N2
15% O2
3% CO2
0% other
89% H2
11% He
0% other
83% H2
17% He
0% other
moons:2514699
rings:0200

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