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TAC340: red giant star with 5 planets

  TAC340.1   TAC340.2  
TAC340.3
  TAC340.4  
TAC340.5
 

Solar system 'TAC340' is a dual star system that comprises the stars 'TAC340.A' and 'TAC340.B' and the retinue of celestial objects gravitationally bound to them: 5 planets and their 135 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'TAC340.A' and 'TAC340.B' that dominate it gravitationally. 'TAC340.A' is a red giant class star that contains about 65% of the system's known mass, 'TAC340.B' is a red giant class star that contains about 34% of the system's known mass.

System 'TAC340' is located more than 573 lightyears from the center of the galaxy.

This solar system comprises 5 planets

TAC340.1 is a large terrestrial planet (7112 km radius) which orbits its star in 332 Earth days, one day on TAC340.1 lasts 9 Earth hours. Its average temperature is 1917 K (1644 C), its atmosphere mainly consists of nitrogen and it has 15 moons.
TAC340.2 is a medium terrestrial planet (5417 km radius) which orbits its star in 717 Earth days, one day on TAC340.2 lasts 13 Earth hours. Its average temperature is 1377 K (1104 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 2 moons.
TAC340.3 is a large terrestrial planet (7792 km radius) which orbits its star in 1317 Earth days, one day on TAC340.3 lasts 9 Earth hours. Its average temperature is 918 K (645 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
TAC340.4 is a very small terrestrial planet (2365 km radius) which orbits its star in 2420 Earth days, one day on TAC340.4 lasts 50 Earth hours. Its average temperature is 544 K (271 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
TAC340.5 is a massive terrestrial planet (17917 km radius) which orbits its star in 18725 Earth days, one day on TAC340.5 lasts 5 Earth hours. Its average temperature is 1897 K (1624 C), its atmosphere mainly consists of hydrogen and it has 98 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:TAC340.1TAC340.2TAC340.3TAC340.4TAC340.5
distance from star:65*106 km108*106 km163*106 km245*106 km958*106 km
radius:7112 km5417 km7792 km2365 km17917 km
mass:2877*1021 kg1271*1021 kg3784*1021 kg105*1021 kg46013*1021 kg
surface gravity: 3.79 m/s2
0.38 Earths
2.89 m/s2
0.29 Earths
4.15 m/s2
0.42 Earths
1.25 m/s2
0.12 Earths
9.56 m/s2
0.97 Earths
escape velocity:7.348 km/s5.596 km/s8.051 km/s2.434 km/s18.51 km/s
year: 885 TAC340.1 days
332 Earth days
1323 TAC340.2 days
717 Earth days
3512 TAC340.3 days
1317 Earth days
1161 TAC340.4 days
2420 Earth days
89880 TAC340.5 days
18725 Earth days
day:9 hrs13 hrs9 hrs50 hrs5 hrs
axial tilt:221°29°
temperature:1917 K
1644 C
1377 K
1104 C
918 K
645 C
544 K
271 C
1897 K
1624 C
atmosphere:88% N2
4% O2
8% CO2
0% other
12% H2
2% He
42% N2
43% O2
1% CO2
0% other
75% N2
21% O2
4% CO2
0% other
6% H2
2% He
66% N2
25% O2
1% CO2
0% other
93% H2
7% He
0% other
moons:15219198
rings:002013

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