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TKF477: yellow giant star with 3 planets

  TKF477.1   TKF477.2  
TKF477.3
 

Solar system 'TKF477' is a dual star system that comprises the stars 'TKF477.A' and 'TKF477.B' and the retinue of celestial objects gravitationally bound to them: 3 planets and their 138 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'TKF477.A' and 'TKF477.B' that dominate it gravitationally. 'TKF477.A' is a yellow giant class star that contains about 91% of the system's known mass, 'TKF477.B' is a red giant class star that contains about 8% of the system's known mass.

System 'TKF477' is located more than 3940 lightyears from the center of the galaxy.

This solar system comprises 3 planets

TKF477.1 is a large terrestrial planet (7115 km radius) which orbits its star in 137 Earth days, one day on TKF477.1 lasts 7 Earth hours. Its average temperature is 1015 K (742 C), its atmosphere mainly consists of nitrogen, oxygen and it has 7 moons.
TKF477.2 is a medium terrestrial planet (6501 km radius) which orbits its star in 253 Earth days, one day on TKF477.2 lasts 8 Earth hours. Its average temperature is 1804 K (1531 C), its atmosphere mainly consists of nitrogen, oxygen and it has 10 moons.
TKF477.3 is a medium gas giant (36708 km radius) which orbits its star in 12455 Earth days, one day on TKF477.3 lasts 3 Earth hours. Its average temperature is 1440 K (1167 C), its atmosphere mainly consists of hydrogen, helium and it has 121 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:TKF477.1TKF477.2TKF477.3
distance from star:36*106 km54*106 km730*106 km
radius:7115 km6501 km36708 km
mass:2881*1021 kg2198*1021 kg395705*1021 kg
surface gravity: 3.79 m/s2
0.38 Earths
3.47 m/s2
0.35 Earths
19.5 m/s2
1.99 Earths
escape velocity:7.351 km/s6.718 km/s37.93 km/s
year: 469 TKF477.1 days
137 Earth days
759 TKF477.2 days
253 Earth days
99640 TKF477.3 days
12455 Earth days
day:7 hrs8 hrs3 hrs
axial tilt:13°22°
temperature:1015 K
742 C
1804 K
1531 C
1440 K
1167 C
atmosphere:81% N2
15% O2
4% CO2
0% other
74% N2
23% O2
3% CO2
0% other
76% H2
24% He
0% other
moons:710121
rings:0010

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