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MJJ470: yellow dwarf star with 3 planets

  MJJ470.1   MJJ470.2   MJJ470.3  

Solar system 'MJJ470' is a dual star system that comprises the stars 'MJJ470.A' and 'MJJ470.B' and the retinue of celestial objects gravitationally bound to them: 3 planets and their 197 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MJJ470.A' and 'MJJ470.B' that dominate it gravitationally. 'MJJ470.A' is a yellow dwarf class star that contains about 99% of the system's known mass, 'MJJ470.B' is a brown dwarf class star that contains about 0% of the system's known mass.

System 'MJJ470' is located more than 2611 lightyears from the center of the galaxy.

MJJ470.1, the first planet in this system, may feature life forms. Its average temperature is 296K (23C) and it's atmosphere contains 17% of oxygen. One year on MJJ470.1 lasts 405 days, one day lasts 5 hours. It's diameter is 20294 km, 1.5 times the diameter of the Earth.

MJJ470.2, the second planet in this system, may feature life forms. Its average temperature is 263K (-10C) and it's atmosphere contains 16% of oxygen. One year on MJJ470.2 lasts 744 days, one day lasts 6 hours. It's diameter is 18156 km, 1.4 times the diameter of the Earth.

This solar system comprises 3 planets

MJJ470.1 is a very large terrestrial planet (10147 km radius) which orbits its star in 405 Earth days, one day on MJJ470.1 lasts 5 Earth hours. Its average temperature is 296 K (23 C), its atmosphere mainly consists of nitrogen, oxygen and it has 41 moons.
MJJ470.2 is a very large terrestrial planet (9078 km radius) which orbits its star in 744 Earth days, one day on MJJ470.2 lasts 6 Earth hours. Its average temperature is 263 K (-10 C), its atmosphere mainly consists of nitrogen, oxygen and it has 37 moons.
MJJ470.3 is a large gas giant (62189 km radius) which orbits its star in 103626 Earth days, one day on MJJ470.3 lasts 3 Earth hours. Its average temperature is 1464 K (1191 C), its atmosphere mainly consists of hydrogen, helium and it has 119 moons.
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Planetary Orbits

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Planetary Statistics

planet:MJJ470.1MJJ470.2MJJ470.3
distance from star:74*106 km111*106 km2998*106 km
radius:10147 km9078 km62189 km
mass:8358*1021 kg5984*1021 kg1924113*1021 kg
surface gravity: 5.41 m/s2
0.55 Earths
4.84 m/s2
0.49 Earths
33.2 m/s2
3.39 Earths
escape velocity:10.48 km/s9.380 km/s64.26 km/s
year: 1944 MJJ470.1 days
405 Earth days
2976 MJJ470.2 days
744 Earth days
829008 MJJ470.3 days
103626 Earth days
day:5 hrs6 hrs3 hrs
axial tilt:283°28°
temperature:296 K
23 C
263 K
-10 C
1464 K
1191 C
atmosphere:80% N2
17% O2
3% CO2
0% other
3% H2
1% He
77% N2
16% O2
3% CO2
0% other
83% H2
17% He
0% other
moons:4137119
rings:000

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