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TAC360: red supergiant star with 4 planets

  TAC360.1   TAC360.2  
TAC360.3
  TAC360.4  

Solar system 'TAC360' is a dual star system that comprises the stars 'TAC360.A' and 'TAC360.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 141 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'TAC360.A' and 'TAC360.B' that dominate it gravitationally. 'TAC360.A' is a red supergiant class star that contains about 88% of the system's known mass, 'TAC360.B' is a red giant class star that contains about 11% of the system's known mass.

System 'TAC360' is located more than 573 lightyears from the center of the galaxy.

This solar system comprises 4 planets

TAC360.1 is a medium terrestrial planet (6937 km radius) which orbits its star in 176 Earth days, one day on TAC360.1 lasts 9 Earth hours. Its average temperature is 1175 K (902 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 11 moons.
TAC360.2 is a very large terrestrial planet (11307 km radius) which orbits its star in 832 Earth days, one day on TAC360.2 lasts 5 Earth hours. Its average temperature is 1188 K (915 C), its atmosphere mainly consists of nitrogen, oxygen and it has 35 moons.
TAC360.3 is a large gas giant (65433 km radius) which orbits its star in 4300 Earth days, one day on TAC360.3 lasts 4 Earth hours. Its average temperature is 1050 K (777 C), its atmosphere mainly consists of hydrogen, helium and it has 66 moons.
TAC360.4 is a large terrestrial planet (7234 km radius) which orbits its star in 5652 Earth days, one day on TAC360.4 lasts 8 Earth hours. Its average temperature is 1548 K (1275 C), its atmosphere mainly consists of and it has 29 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:TAC360.1TAC360.2TAC360.3TAC360.4
distance from star:42*106 km120*106 km359*106 km431*106 km
radius:6937 km11307 km65433 km7234 km
mass:2670*1021 kg11564*1021 kg2241199*1021 kg3028*1021 kg
surface gravity: 3.70 m/s2
0.37 Earths
6.03 m/s2
0.61 Earths
34.9 m/s2
3.56 Earths
3.86 m/s2
0.39 Earths
escape velocity:7.167 km/s11.68 km/s67.61 km/s7.474 km/s
year: 469 TAC360.1 days
176 Earth days
3993 TAC360.2 days
832 Earth days
25800 TAC360.3 days
4300 Earth days
16956 TAC360.4 days
5652 Earth days
day:9 hrs5 hrs4 hrs8 hrs
axial tilt:18°12°14°
temperature:1175 K
902 C
1188 K
915 C
1050 K
777 C
1548 K
1275 C
atmosphere:13% H2
2% He
41% N2
44% O2
0% other
1% He
80% N2
18% O2
1% CO2
0% other
86% H2
14% He
0% other
100% other
moons:11356629
rings:0060

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