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RKA238: yellow dwarf star with 5 planets

  RKA238.1   RKA238.2   RKA238.3   RKA238.4  
RKA238.5
 

Solar system 'RKA238' is a dual star system that comprises the stars 'RKA238.A' and 'RKA238.B' and the retinue of celestial objects gravitationally bound to them: 5 planets and their 179 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'RKA238.A' and 'RKA238.B' that dominate it gravitationally. 'RKA238.A' is a yellow dwarf class star that contains about 99% of the system's known mass, 'RKA238.B' is a brown dwarf class star that contains about 0% of the system's known mass.

System 'RKA238' is located more than 4500 lightyears from the center of the galaxy.

RKA238.2, the second planet in this system, may feature life forms. Its average temperature is 347K (74C) and it's atmosphere contains 9% of oxygen. One year on RKA238.2 lasts 602 days, one day lasts 7 hours. It's diameter is 19564 km, 1.5 times the diameter of the Earth.

This solar system comprises 5 planets

RKA238.1 is a very small terrestrial planet (2456 km radius) which orbits its star in 0 Earth days, one day on RKA238.1 lasts 46 Earth hours. Its average temperature is 1727 K (1454 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
RKA238.2 is a very large terrestrial planet (9782 km radius) which orbits its star in 602 Earth days, one day on RKA238.2 lasts 7 Earth hours. Its average temperature is 347 K (74 C), its atmosphere mainly consists of nitrogen and it has 17 moons.
RKA238.3 is a medium terrestrial planet (5666 km radius) which orbits its star in 1107 Earth days, one day on RKA238.3 lasts 12 Earth hours. Its average temperature is 231 K (-42 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 18 moons.
RKA238.4 is a large gas giant (43023 km radius) which orbits its star in 5183 Earth days, one day on RKA238.4 lasts 5 Earth hours. Its average temperature is 1098 K (825 C), its atmosphere mainly consists of hydrogen, helium and it has 94 moons.
RKA238.5 is a large gas giant (75309 km radius) which orbits its star in 9522 Earth days, one day on RKA238.5 lasts 5 Earth hours. Its average temperature is 1251 K (978 C), its atmosphere mainly consists of hydrogen, helium and it has 50 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:RKA238.1RKA238.2RKA238.3RKA238.4RKA238.5
distance from star:0*106 km96*106 km145*106 km407*106 km610*106 km
radius:2456 km9782 km5666 km43023 km75309 km
mass:118*1021 kg7488*1021 kg1455*1021 kg637077*1021 kg3416887*1021 kg
surface gravity: 1.30 m/s2
0.13 Earths
5.22 m/s2
0.53 Earths
3.02 m/s2
0.30 Earths
22.9 m/s2
2.34 Earths
40.2 m/s2
4.11 Earths
escape velocity:2.532 km/s10.10 km/s5.854 km/s44.45 km/s77.82 km/s
year: 0 RKA238.1 days
0 Earth days
2064 RKA238.2 days
602 Earth days
2214 RKA238.3 days
1107 Earth days
24878 RKA238.4 days
5183 Earth days
45705 RKA238.5 days
9522 Earth days
day:46 hrs7 hrs12 hrs5 hrs5 hrs
axial tilt:18°34°
temperature:1727 K
1454 C
347 K
74 C
231 K
-42 C
1098 K
825 C
1251 K
978 C
atmosphere:56% N2
44% O2
0% other
88% N2
9% O2
3% CO2
0% other
13% H2
3% He
46% N2
36% O2
2% CO2
0% other
82% H2
18% He
0% other
87% H2
13% He
0% other
moons:017189450
rings:000018

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