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MCK442: yellow dwarf star with 2 planets

  MCK442.1   MCK442.2  

Solar system 'MCK442' comprises the star 'MCK442' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 97 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCK442', a yellow dwarf class star that contains about 99.84% of the system's known mass and dominates it gravitationally. MCK442 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 2 planets

MCK442.1 is a large terrestrial planet (8415 km radius) which orbits its star in 868 Earth days, one day on MCK442.1 lasts 5 Earth hours. Its average temperature is 1166 K (893 C), its atmosphere mainly consists of hydrogen, helium and it has 31 moons.
MCK442.2 is a large gas giant (77846 km radius) which orbits its star in 159381 Earth days, one day on MCK442.2 lasts 2 Earth hours. Its average temperature is 1337 K (1064 C), its atmosphere mainly consists of hydrogen, helium and it has 66 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:123*106 km3994*106 km
radius:8415 km77846 km
mass:4767*1021 kg3773973*1021 kg
surface gravity: 4.49 m/s2
0.45 Earths
41.5 m/s2
4.24 Earths
escape velocity:8.695 km/s80.44 km/s
year: 4166 MCK442.1 days
868 Earth days
1912572 MCK442.2 days
159381 Earth days
day:5 hrs2 hrs
axial tilt:
temperature:1166 K
893 C
1337 K
1064 C
atmosphere:77% H2
23% He
0% other
79% H2
21% He
0% other

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