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TJC354: red giant star with 4 planets

  TJC354.1  
TJC354.2
  TJC354.3  
TJC354.4
 

Solar system 'TJC354' is a dual star system that comprises the stars 'TJC354.A' and 'TJC354.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 342 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'TJC354.A' and 'TJC354.B' that dominate it gravitationally. 'TJC354.A' is a red giant class star that contains about 73% of the system's known mass, 'TJC354.B' is a red giant class star that contains about 25% of the system's known mass.

System 'TJC354' is located more than 4727 lightyears from the center of the galaxy.

This solar system comprises 4 planets

TJC354.1 is a large terrestrial planet (7703 km radius) which orbits its star in 4 Earth days, one day on TJC354.1 lasts 8 Earth hours. Its average temperature is 1794 K (1521 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
TJC354.2 is a medium terrestrial planet (6645 km radius) which orbits its star in 1046 Earth days, one day on TJC354.2 lasts 9 Earth hours. Its average temperature is 1848 K (1575 C), its atmosphere mainly consists of hydrogen and it has 2 moons.
TJC354.3 is a medium gas giant (37327 km radius) which orbits its star in 27633 Earth days, one day on TJC354.3 lasts 4 Earth hours. Its average temperature is 1975 K (1702 C), its atmosphere mainly consists of hydrogen, helium and it has 176 moons.
TJC354.4 is a large gas giant (77486 km radius) which orbits its star in 224289 Earth days, one day on TJC354.4 lasts 4 Earth hours. Its average temperature is 1805 K (1532 C), its atmosphere mainly consists of hydrogen, helium and it has 164 moons.
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Planetary Statistics

planet:TJC354.1TJC354.2TJC354.3TJC354.4
distance from star:3*106 km140*106 km1242*106 km5016*106 km
radius:7703 km6645 km37327 km77486 km
mass:3656*1021 kg2347*1021 kg416063*1021 kg3721857*1021 kg
surface gravity: 4.11 m/s2
0.42 Earths
3.54 m/s2
0.36 Earths
19.9 m/s2
2.03 Earths
41.3 m/s2
4.22 Earths
escape velocity:7.959 km/s6.866 km/s38.57 km/s80.07 km/s
year: 12 TJC354.1 days
4 Earth days
2789 TJC354.2 days
1046 Earth days
165798 TJC354.3 days
27633 Earth days
1345734 TJC354.4 days
224289 Earth days
day:8 hrs9 hrs4 hrs4 hrs
axial tilt:15°
temperature:1794 K
1521 C
1848 K
1575 C
1975 K
1702 C
1805 K
1532 C
atmosphere:61% N2
39% O2
0% other
94% H2
6% He
0% other
76% H2
24% He
0% other
78% H2
22% He
0% other
moons:02176164
rings:011023

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