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TAC331: red dwarf star with 3 planets

  TAC331.1   TAC331.2  
TAC331.3
 

Solar system 'TAC331' comprises the star 'TAC331' and the retinue of celestial objects gravitationally bound to it: 3 planets and their 181 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'TAC331', a red dwarf class star that contains about 99.51% of the system's known mass and dominates it gravitationally. TAC331 is located more than 573 lightyears from the center of the galaxy.

This solar system comprises 3 planets

TAC331.1 is a very large terrestrial planet (10537 km radius) which orbits its star in 333 Earth days, one day on TAC331.1 lasts 5 Earth hours. Its average temperature is 115 K (-158 C), its atmosphere mainly consists of nitrogen, oxygen and it has 36 moons.
TAC331.2 is a very large terrestrial planet (9971 km radius) which orbits its star in 947 Earth days, one day on TAC331.2 lasts 5 Earth hours. Its average temperature is 57 K (-216 C), its atmosphere mainly consists of nitrogen, oxygen and it has 24 moons.
TAC331.3 is a large gas giant (65239 km radius) which orbits its star in 10330 Earth days, one day on TAC331.3 lasts 3 Earth hours. Its average temperature is 1074 K (801 C), its atmosphere mainly consists of hydrogen and it has 121 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:TAC331.1TAC331.2TAC331.3
distance from star:65*106 km131*106 km644*106 km
radius:10537 km9971 km65239 km
mass:9359*1021 kg7930*1021 kg2221323*1021 kg
surface gravity: 5.62 m/s2
0.57 Earths
5.32 m/s2
0.54 Earths
34.8 m/s2
3.55 Earths
escape velocity:10.88 km/s10.30 km/s67.41 km/s
year: 1598 TAC331.1 days
333 Earth days
4545 TAC331.2 days
947 Earth days
82640 TAC331.3 days
10330 Earth days
day:5 hrs5 hrs3 hrs
axial tilt:29°124°74°
temperature:115 K
-158 C
57 K
-216 C
1074 K
801 C
atmosphere:4% H2
2% He
50% N2
42% O2
2% CO2
0% other
5% H2
2% He
52% N2
41% O2
0% other
100% H2
0% other
moons:3624121
rings:0018

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