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TAC378: red giant star with 6 planets

 
TAC378.1
 
TAC378.2
  TAC378.3   TAC378.4   TAC378.5  
TAC378.6
 

Solar system 'TAC378' comprises the star 'TAC378' and the retinue of celestial objects gravitationally bound to it: 6 planets and their 311 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'TAC378', a red giant class star that contains about 99.94% of the system's known mass and dominates it gravitationally. TAC378 is located more than 573 lightyears from the center of the galaxy.

TAC378.1, the first planet in this system, may feature life forms. Its average temperature is 290K (17C) and it's atmosphere contains 1% of oxygen. One year on TAC378.1 lasts 648 days, one day lasts 8 hours. It's diameter is 21732 km, 1.7 times the diameter of the Earth.

TAC378.2, the second planet in this system, may feature life forms. Its average temperature is 258K (-15C) and it's atmosphere contains 46% of oxygen. One year on TAC378.2 lasts 1191 days, one day lasts 55 hours. It's diameter is 4512 km, 0.3 times the diameter of the Earth.

This solar system comprises 6 planets

TAC378.1 is a very large terrestrial planet (10866 km radius) which orbits its star in 648 Earth days, one day on TAC378.1 lasts 8 Earth hours. Its average temperature is 290 K (17 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 22 moons.
TAC378.2 is a very small terrestrial planet (2256 km radius) which orbits its star in 1191 Earth days, one day on TAC378.2 lasts 55 Earth hours. Its average temperature is 258 K (-15 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
TAC378.3 is a very large terrestrial planet (9848 km radius) which orbits its star in 2188 Earth days, one day on TAC378.3 lasts 8 Earth hours. Its average temperature is 172 K (-101 C), its atmosphere mainly consists of nitrogen, oxygen and it has 47 moons.
TAC378.4 is a large terrestrial planet (7875 km radius) which orbits its star in 4021 Earth days, one day on TAC378.4 lasts 10 Earth hours. Its average temperature is 101 K (-172 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
TAC378.5 is a large gas giant (58410 km radius) which orbits its star in 20705 Earth days, one day on TAC378.5 lasts 6 Earth hours. Its average temperature is 1065 K (792 C), its atmosphere mainly consists of hydrogen and it has 90 moons.
TAC378.6 is a massive terrestrial planet (16562 km radius) which orbits its star in 38038 Earth days, one day on TAC378.6 lasts 6 Earth hours. Its average temperature is 1392 K (1119 C), its atmosphere mainly consists of hydrogen, helium and it has 135 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:TAC378.1TAC378.2TAC378.3TAC378.4TAC378.5
distance from star:101*106 km152*106 km229*106 km343*106 km1024*106 km
radius:10866 km2256 km9848 km7875 km58410 km
mass:10263*1021 kg91*1021 kg7640*1021 kg3906*1021 kg1594232*1021 kg
surface gravity: 5.80 m/s2
0.59 Earths
1.19 m/s2
0.12 Earths
5.25 m/s2
0.53 Earths
4.20 m/s2
0.42 Earths
31.1 m/s2
3.17 Earths
escape velocity:11.22 km/s2.320 km/s10.17 km/s8.136 km/s60.36 km/s
year: 1944 TAC378.1 days
648 Earth days
519 TAC378.2 days
1191 Earth days
6564 TAC378.3 days
2188 Earth days
9650 TAC378.4 days
4021 Earth days
82820 TAC378.5 days
20705 Earth days
day:8 hrs55 hrs8 hrs10 hrs6 hrs
axial tilt:18°27°27°14°
temperature:290 K
17 C
258 K
-15 C
172 K
-101 C
101 K
-172 C
1065 K
792 C
atmosphere:87% N2
1% O2
12% CO2
0% other
7% H2
1% He
46% N2
46% O2
0% other
2% H2
1% He
48% N2
49% O2
0% other
70% N2
30% O2
0% other
90% H2
10% He
0% other
moons:220471790
rings:33000

planet:TAC378.6
distance from star:1537*106 km
radius:16562 km
mass:36343*1021 kg
surface gravity: 8.84 m/s2
0.90 Earths
escape velocity:17.11 km/s
year: 152152 TAC378.6 days
38038 Earth days
day:6 hrs
axial tilt:81°
temperature:1392 K
1119 C
atmosphere:81% H2
19% He
0% other
moons:135
rings:8

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