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Fr (NAC949): yellow dwarf star with 2 planets

  Hr   Nr  

Solar system 'Fr (NAC949)' comprises the star 'Fr' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 10 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'Fr', a yellow dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. Fr is located more than 1520 lightyears from the center of the galaxy.

Nr, the second planet in this system, features organic life forms with an average intelligence that have developed a civilisation living mostly in villages. Its average temperature is 275K (2C) and it's atmosphere contains 36% of oxygen. One year on Nr lasts 547 days, one day lasts 7 hours. It's diameter is 13488 km, 1 times the diameter of the Earth.

This solar system comprises 2 planets

Hr is a small terrestrial planet (3849 km radius) which orbits its star in 129 Earth days, one day on Hr lasts 18 Earth hours. Its average temperature is 939 K (666 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.

This super hot planet contains a very robust yet microcosmic life form. The surface is covered in millions of varieties of bacteria. Each live off one another in some form, the surface of the planet seems to be ever changing in color.

Nr is a medium terrestrial planet (6744 km radius) which orbits its star in 547 Earth days, one day on Nr lasts 7 Earth hours. Its average temperature is 275 K (2 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 9 moons.

Nr is home to an intelligent species. They do not have a name for themselves as they are a communal intelligence. They are slow moving in the frigid temperatures of Nr, moving about their business in the almost permanent winter that covers the planet. Bi ...

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Planetary Orbits



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Planetary Statistics

distance from star:34*106 km90*106 km
radius:3849 km6744 km
mass:456*1021 kg2453*1021 kg
surface gravity: 2.05 m/s2
0.20 Earths
3.59 m/s2
0.36 Earths
escape velocity:3.976 km/s6.967 km/s
year: 172 Hr days
129 Earth days
1875 Nr days
547 Earth days
day:18 hrs7 hrs
axial tilt:21°
temperature:939 K
666 C
275 K
2 C
atmosphere:1% H2
2% He
60% N2
36% O2
1% CO2
0% other
13% H2
2% He
47% N2
36% O2
2% CO2
0% other

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