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TKF473: red dwarf star with 5 planets

  TKF473.1   TKF473.2   TKF473.3   TKF473.4  
TKF473.5
 

Solar system 'TKF473' comprises the star 'TKF473' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 189 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'TKF473', a red dwarf class star that contains about 99.88% of the system's known mass and dominates it gravitationally. TKF473 is located more than 3940 lightyears from the center of the galaxy.

This solar system comprises 5 planets

TKF473.1 is a large terrestrial planet (7693 km radius) which orbits its star in 356 Earth days, one day on TKF473.1 lasts 9 Earth hours. Its average temperature is 140 K (-133 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
TKF473.2 is a very large terrestrial planet (10056 km radius) which orbits its star in 1084 Earth days, one day on TKF473.2 lasts 7 Earth hours. Its average temperature is 63 K (-210 C), its atmosphere mainly consists of nitrogen and it has 30 moons.
TKF473.3 is a small terrestrial planet (3936 km radius) which orbits its star in 1992 Earth days, one day on TKF473.3 lasts 21 Earth hours. Its average temperature is 42 K (-231 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
TKF473.4 is a medium terrestrial planet (5013 km radius) which orbits its star in 3661 Earth days, one day on TKF473.4 lasts 14 Earth hours. Its average temperature is 25 K (-248 C), its atmosphere mainly consists of nitrogen, oxygen and it has 28 moons.
TKF473.5 is a large gas giant (44143 km radius) which orbits its star in 19801 Earth days, one day on TKF473.5 lasts 5 Earth hours. Its average temperature is 1445 K (1172 C), its atmosphere mainly consists of hydrogen and it has 127 moons.
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Planetary Statistics

planet:TKF473.1TKF473.2TKF473.3TKF473.4TKF473.5
distance from star:68*106 km143*106 km215*106 km322*106 km994*106 km
radius:7693 km10056 km3936 km5013 km44143 km
mass:3642*1021 kg8135*1021 kg487*1021 kg1007*1021 kg688137*1021 kg
surface gravity: 4.10 m/s2
0.41 Earths
5.36 m/s2
0.54 Earths
2.09 m/s2
0.21 Earths
2.67 m/s2
0.27 Earths
23.5 m/s2
2.40 Earths
escape velocity:7.949 km/s10.39 km/s4.064 km/s5.178 km/s45.61 km/s
year: 949 TKF473.1 days
356 Earth days
3716 TKF473.2 days
1084 Earth days
2276 TKF473.3 days
1992 Earth days
6276 TKF473.4 days
3661 Earth days
95044 TKF473.5 days
19801 Earth days
day:9 hrs7 hrs21 hrs14 hrs5 hrs
axial tilt:22°27°23°122°
temperature:140 K
-133 C
63 K
-210 C
42 K
-231 C
25 K
-248 C
1445 K
1172 C
atmosphere:2% H2
2% He
54% N2
42% O2
0% other
86% N2
7% O2
7% CO2
0% other
92% N2
5% O2
3% CO2
0% other
73% N2
27% O2
0% other
92% H2
8% He
0% other
moons:430028127
rings:000010

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