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MCD518: yellow dwarf star with 2 planets

  MCD518.1   MCD518.2  

Solar system 'MCD518' is a dual star system that comprises the stars 'MCD518.A' and 'MCD518.B' and the retinue of celestial objects gravitationally bound to them: 2 planets and their 12 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MCD518.A' and 'MCD518.B' that dominate it gravitationally. 'MCD518.A' is a yellow dwarf class star that contains about 59% of the system's known mass, 'MCD518.B' is a yellow dwarf class star that contains about 40% of the system's known mass.

System 'MCD518' is located more than 2819 lightyears from the center of the galaxy.

MCD518.2, the second planet in this system, may feature life forms. Its average temperature is 343K (70C) and it's atmosphere contains 2% of oxygen. One year on MCD518.2 lasts 1000 days, one day lasts 4 hours. It's diameter is 20416 km, 1.6 times the diameter of the Earth.

This solar system comprises 2 planets

MCD518.1 is a small terrestrial planet (4588 km radius) which orbits its star in 154 Earth days, one day on MCD518.1 lasts 13 Earth hours. Its average temperature is 1031 K (758 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 1 moons.
MCD518.2 is a very large terrestrial planet (10208 km radius) which orbits its star in 1000 Earth days, one day on MCD518.2 lasts 4 Earth hours. Its average temperature is 343 K (70 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 11 moons.
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Planetary Orbits

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Planetary Statistics

planet:MCD518.1MCD518.2
distance from star:39*106 km135*106 km
radius:4588 km10208 km
mass:772*1021 kg8509*1021 kg
surface gravity: 2.44 m/s2
0.24 Earths
5.45 m/s2
0.55 Earths
escape velocity:4.739 km/s10.54 km/s
year: 284 MCD518.1 days
154 Earth days
6000 MCD518.2 days
1000 Earth days
day:13 hrs4 hrs
axial tilt:20°
temperature:1031 K
758 C
343 K
70 C
atmosphere:24% H2
3% He
29% N2
42% O2
2% CO2
0% other
87% N2
2% O2
11% CO2
0% other
moons:111
rings:00

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