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TDK391: yellow giant star with 3 planets

  TDK391.1   TDK391.2  
TDK391.3
 

Solar system 'TDK391' is a dual star system that comprises the stars 'TDK391.A' and 'TDK391.B' and the retinue of celestial objects gravitationally bound to them: 3 planets and their 180 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'TDK391.A' and 'TDK391.B' that dominate it gravitationally. 'TDK391.A' is a yellow giant class star that contains about 95% of the system's known mass, 'TDK391.B' is a red giant class star that contains about 4% of the system's known mass.

System 'TDK391' is located more than 2038 lightyears from the center of the galaxy.

This solar system comprises 3 planets

TDK391.1 is a very large terrestrial planet (11618 km radius) which orbits its star in 677 Earth days, one day on TDK391.1 lasts 4 Earth hours. Its average temperature is 1893 K (1620 C), its atmosphere mainly consists of nitrogen and it has 30 moons.
TDK391.2 is a medium terrestrial planet (6217 km radius) which orbits its star in 1244 Earth days, one day on TDK391.2 lasts 9 Earth hours. Its average temperature is 1682 K (1409 C), its atmosphere mainly consists of nitrogen, oxygen and it has 20 moons.
TDK391.3 is a large gas giant (71481 km radius) which orbits its star in 132242 Earth days, one day on TDK391.3 lasts 3 Earth hours. Its average temperature is 1130 K (857 C), its atmosphere mainly consists of hydrogen and it has 130 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:TDK391.1TDK391.2TDK391.3
distance from star:104*106 km157*106 km3527*106 km
radius:11618 km6217 km71481 km
mass:12545*1021 kg1922*1021 kg2921876*1021 kg
surface gravity: 6.20 m/s2
0.63 Earths
3.31 m/s2
0.33 Earths
38.1 m/s2
3.89 Earths
escape velocity:12.00 km/s6.423 km/s73.86 km/s
year: 4062 TDK391.1 days
677 Earth days
3317 TDK391.2 days
1244 Earth days
1057936 TDK391.3 days
132242 Earth days
day:4 hrs9 hrs3 hrs
axial tilt:14°250°
temperature:1893 K
1620 C
1682 K
1409 C
1130 K
857 C
atmosphere:95% N2
1% O2
4% CO2
0% other
2% H2
3% He
51% N2
43% O2
1% CO2
0% other
90% H2
10% He
0% other
moons:3020130
rings:003

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