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TAC345: red dwarf star with 9 planets

  TAC345.1   TAC345.2   TAC345.3   TAC345.4   TAC345.5   TAC345.6  
TAC345.7
 
TAC345.8
 
TAC345.9
 

Solar system 'TAC345' comprises the star 'TAC345' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 543 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'TAC345', a red dwarf class star that contains about 99.28% of the system's known mass and dominates it gravitationally. TAC345 is located more than 573 lightyears from the center of the galaxy.

This solar system comprises 9 planets

TAC345.1 is a very large terrestrial planet (9501 km radius) which orbits its star in 266 Earth days, one day on TAC345.1 lasts 11 Earth hours. Its average temperature is 363 K (90 C), its atmosphere mainly consists of nitrogen, oxygen and it has 15 moons.
TAC345.2 is a very large terrestrial planet (11073 km radius) which orbits its star in 1187 Earth days, one day on TAC345.2 lasts 11 Earth hours. Its average temperature is 99 K (-174 C), its atmosphere mainly consists of nitrogen, oxygen and it has 39 moons.
TAC345.3 is a small terrestrial planet (3320 km radius) which orbits its star in 2181 Earth days, one day on TAC345.3 lasts 31 Earth hours. Its average temperature is 66 K (-207 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 5 moons.
TAC345.4 is a very large terrestrial planet (11770 km radius) which orbits its star in 4008 Earth days, one day on TAC345.4 lasts 10 Earth hours. Its average temperature is 39 K (-234 C), its atmosphere mainly consists of nitrogen, oxygen and it has 45 moons.
TAC345.5 is a large gas giant (66124 km radius) which orbits its star in 12801 Earth days, one day on TAC345.5 lasts 9 Earth hours. Its average temperature is 1270 K (997 C), its atmosphere mainly consists of hydrogen, helium and it has 98 moons.
TAC345.6 is a large gas giant (55896 km radius) which orbits its star in 48384 Earth days, one day on TAC345.6 lasts 9 Earth hours. Its average temperature is 1529 K (1256 C), its atmosphere mainly consists of hydrogen and it has 36 moons.
TAC345.7 is a large gas giant (79298 km radius) which orbits its star in 94805 Earth days, one day on TAC345.7 lasts 9 Earth hours. Its average temperature is 1650 K (1377 C), its atmosphere mainly consists of hydrogen, helium and it has 167 moons.
TAC345.8 is a medium terrestrial planet (6991 km radius) which orbits its star in 174168 Earth days, one day on TAC345.8 lasts 14 Earth hours. Its average temperature is 1544 K (1271 C), its atmosphere mainly consists of hydrogen, helium and it has 100 moons.
TAC345.9 is a small terrestrial planet (3760 km radius) which orbits its star in 228950 Earth days, one day on TAC345.9 lasts 26 Earth hours. Its average temperature is 1351 K (1078 C), its atmosphere mainly consists of and it has 38 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:TAC345.1TAC345.2TAC345.3TAC345.4TAC345.5
distance from star:56*106 km152*106 km228*106 km342*106 km743*106 km
radius:9501 km11073 km3320 km11770 km66124 km
mass:6861*1021 kg10861*1021 kg292*1021 kg13044*1021 kg2312955*1021 kg
surface gravity: 5.07 m/s2
0.51 Earths
5.91 m/s2
0.60 Earths
1.76 m/s2
0.17 Earths
6.28 m/s2
0.64 Earths
35.3 m/s2
3.60 Earths
escape velocity:9.818 km/s11.44 km/s3.426 km/s12.16 km/s68.33 km/s
year: 580 TAC345.1 days
266 Earth days
2589 TAC345.2 days
1187 Earth days
1688 TAC345.3 days
2181 Earth days
9619 TAC345.4 days
4008 Earth days
34136 TAC345.5 days
12801 Earth days
day:11 hrs11 hrs31 hrs10 hrs9 hrs
axial tilt:10°20°21°
temperature:363 K
90 C
99 K
-174 C
66 K
-207 C
39 K
-234 C
1270 K
997 C
atmosphere:2% H2
1% He
61% N2
34% O2
2% CO2
0% other
4% H2
1% He
71% N2
23% O2
1% CO2
0% other
76% N2
3% O2
21% CO2
0% other
66% N2
33% O2
1% CO2
0% other
81% H2
19% He
0% other
moons:153954598
rings:00000

planet:TAC345.6TAC345.7TAC345.8TAC345.9
distance from star:1804*106 km2825*106 km4238*106 km5086*106 km
radius:55896 km79298 km6991 km3760 km
mass:1397115*1021 kg3989116*1021 kg2733*1021 kg425*1021 kg
surface gravity: 29.8 m/s2
3.04 Earths
42.3 m/s2
4.32 Earths
3.73 m/s2
0.38 Earths
2.00 m/s2
0.20 Earths
escape velocity:57.76 km/s81.94 km/s7.223 km/s3.884 km/s
year: 129024 TAC345.6 days
48384 Earth days
252813 TAC345.7 days
94805 Earth days
298573 TAC345.8 days
174168 Earth days
211338 TAC345.9 days
228950 Earth days
day:9 hrs9 hrs14 hrs26 hrs
axial tilt:25°60°24°
temperature:1529 K
1256 C
1650 K
1377 C
1544 K
1271 C
1351 K
1078 C
atmosphere:92% H2
8% He
0% other
79% H2
21% He
0% other
82% H2
18% He
0% other
100% other
moons:3616710038
rings:0111012

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