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RHK240: red giant star with 4 planets

  RHK240.1   RHK240.2  
RHK240.3
  RHK240.4  

Solar system 'RHK240' is a dual star system that comprises the stars 'RHK240.A' and 'RHK240.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 222 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'RHK240.A' and 'RHK240.B' that dominate it gravitationally. 'RHK240.A' is a red giant class star that contains about 81% of the system's known mass, 'RHK240.B' is a red giant class star that contains about 18% of the system's known mass.

System 'RHK240' is located more than 4500 lightyears from the center of the galaxy.

This solar system comprises 4 planets

RHK240.1 is a small terrestrial planet (4160 km radius) which orbits its star in 166 Earth days, one day on RHK240.1 lasts 18 Earth hours. Its average temperature is 1401 K (1128 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
RHK240.2 is a medium terrestrial planet (6936 km radius) which orbits its star in 527 Earth days, one day on RHK240.2 lasts 9 Earth hours. Its average temperature is 1201 K (928 C), its atmosphere mainly consists of nitrogen and it has 14 moons.
RHK240.3 is a large gas giant (59025 km radius) which orbits its star in 9501 Earth days, one day on RHK240.3 lasts 4 Earth hours. Its average temperature is 1228 K (955 C), its atmosphere mainly consists of hydrogen and it has 63 moons.
RHK240.4 is a large gas giant (60956 km radius) which orbits its star in 90832 Earth days, one day on RHK240.4 lasts 4 Earth hours. Its average temperature is 1335 K (1062 C), its atmosphere mainly consists of hydrogen, helium and it has 144 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:RHK240.1RHK240.2RHK240.3RHK240.4
distance from star:41*106 km88*106 km609*106 km2746*106 km
radius:4160 km6936 km59025 km60956 km
mass:575*1021 kg2669*1021 kg1645121*1021 kg1811921*1021 kg
surface gravity: 2.21 m/s2
0.22 Earths
3.70 m/s2
0.37 Earths
31.5 m/s2
3.22 Earths
32.5 m/s2
3.32 Earths
escape velocity:4.295 km/s7.166 km/s60.99 km/s62.99 km/s
year: 221 RHK240.1 days
166 Earth days
1405 RHK240.2 days
527 Earth days
57006 RHK240.3 days
9501 Earth days
544992 RHK240.4 days
90832 Earth days
day:18 hrs9 hrs4 hrs4 hrs
axial tilt:24°
temperature:1401 K
1128 C
1201 K
928 C
1228 K
955 C
1335 K
1062 C
atmosphere:78% N2
18% O2
4% CO2
0% other
90% N2
8% O2
2% CO2
0% other
97% H2
3% He
0% other
80% H2
20% He
0% other
moons:11463144
rings:00220

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