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TAC328: red dwarf star with 8 planets

  TAC328.1  
TAC328.2
  TAC328.3   TAC328.4   TAC328.5  
TAC328.6
 
TAC328.7
 
TAC328.8
 

Solar system 'TAC328' comprises the star 'TAC328' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 390 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'TAC328', a red dwarf class star that contains about 98.44% of the system's known mass and dominates it gravitationally. TAC328 is located more than 573 lightyears from the center of the galaxy.

This solar system comprises 8 planets

TAC328.1 is a medium terrestrial planet (5246 km radius) which orbits its star in 19 Earth days, one day on TAC328.1 lasts 17 Earth hours. Its average temperature is 1471 K (1198 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
TAC328.2 is a small terrestrial planet (4083 km radius) which orbits its star in 68 Earth days, one day on TAC328.2 lasts 23 Earth hours. Its average temperature is 1129 K (856 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
TAC328.3 is a small terrestrial planet (4429 km radius) which orbits its star in 221 Earth days, one day on TAC328.3 lasts 20 Earth hours. Its average temperature is 352 K (79 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
TAC328.4 is a large terrestrial planet (7951 km radius) which orbits its star in 433 Earth days, one day on TAC328.4 lasts 11 Earth hours. Its average temperature is 191 K (-82 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
TAC328.5 is a large gas giant (76844 km radius) which orbits its star in 50692 Earth days, one day on TAC328.5 lasts 8 Earth hours. Its average temperature is 1190 K (917 C), its atmosphere mainly consists of hydrogen, helium and it has 139 moons.
TAC328.6 is a massive terrestrial planet (16408 km radius) which orbits its star in 93127 Earth days, one day on TAC328.6 lasts 8 Earth hours. Its average temperature is 1171 K (898 C), its atmosphere mainly consists of hydrogen, helium and it has 109 moons.
TAC328.7 is a medium gas giant (32392 km radius) which orbits its star in 171086 Earth days, one day on TAC328.7 lasts 8 Earth hours. Its average temperature is 1836 K (1563 C), its atmosphere mainly consists of hydrogen and it has 100 moons.
TAC328.8 is a medium gas giant (34127 km radius) which orbits its star in 314306 Earth days, one day on TAC328.8 lasts 8 Earth hours. Its average temperature is 1283 K (1010 C), its atmosphere mainly consists of hydrogen and it has 38 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:TAC328.1TAC328.2TAC328.3TAC328.4TAC328.5
distance from star:9*106 km22*106 km49*106 km77*106 km1861*106 km
radius:5246 km4083 km4429 km7951 km76844 km
mass:1154*1021 kg544*1021 kg695*1021 kg4021*1021 kg3630110*1021 kg
surface gravity: 2.79 m/s2
0.28 Earths
2.17 m/s2
0.22 Earths
2.36 m/s2
0.24 Earths
4.24 m/s2
0.43 Earths
41.0 m/s2
4.19 Earths
escape velocity:5.418 km/s4.217 km/s4.576 km/s8.216 km/s79.40 km/s
year: 26 TAC328.1 days
19 Earth days
70 TAC328.2 days
68 Earth days
265 TAC328.3 days
221 Earth days
944 TAC328.4 days
433 Earth days
152076 TAC328.5 days
50692 Earth days
day:17 hrs23 hrs20 hrs11 hrs8 hrs
axial tilt:247°27°13°237°
temperature:1471 K
1198 C
1129 K
856 C
352 K
79 C
191 K
-82 C
1190 K
917 C
atmosphere:84% N2
14% O2
2% CO2
0% other
76% N2
21% O2
3% CO2
0% other
82% N2
14% O2
4% CO2
0% other
2% H2
1% He
82% N2
13% O2
2% CO2
0% other
84% H2
16% He
0% other
moons:0004139
rings:02000

planet:TAC328.6TAC328.7TAC328.8
distance from star:2792*106 km4188*106 km6282*106 km
radius:16408 km32392 km34127 km
mass:35339*1021 kg271896*1021 kg317968*1021 kg
surface gravity: 8.76 m/s2
0.89 Earths
17.2 m/s2
1.75 Earths
18.2 m/s2
1.86 Earths
escape velocity:16.95 km/s33.47 km/s35.26 km/s
year: 279381 TAC328.6 days
93127 Earth days
513258 TAC328.7 days
171086 Earth days
942918 TAC328.8 days
314306 Earth days
day:8 hrs8 hrs8 hrs
axial tilt:
temperature:1171 K
898 C
1836 K
1563 C
1283 K
1010 C
atmosphere:83% H2
17% He
0% other
95% H2
5% He
0% other
99% H2
1% He
0% other
moons:10910038
rings:171123

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