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MCG428: yellow dwarf star with 2 planets

  MCG428.1   MCG428.2  

Solar system 'MCG428' comprises the star 'MCG428' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 52 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCG428', a yellow dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. MCG428 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 2 planets

MCG428.1 is a medium terrestrial planet (6491 km radius) which orbits its star in 204 Earth days, one day on MCG428.1 lasts 7 Earth hours. Its average temperature is 809 K (536 C), its atmosphere mainly consists of nitrogen, oxygen and it has 9 moons.
MCG428.2 is a very large terrestrial planet (10647 km radius) which orbits its star in 584 Earth days, one day on MCG428.2 lasts 4 Earth hours. Its average temperature is 400 K (127 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 43 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:47*106 km94*106 km
radius:6491 km10647 km
mass:2187*1021 kg9655*1021 kg
surface gravity: 3.46 m/s2
0.35 Earths
5.68 m/s2
0.58 Earths
escape velocity:6.706 km/s11.00 km/s
year: 699 MCG428.1 days
204 Earth days
3504 MCG428.2 days
584 Earth days
day:7 hrs4 hrs
axial tilt:22°15°
temperature:809 K
536 C
400 K
127 C
atmosphere:77% N2
22% O2
1% CO2
0% other
82% N2
4% O2
14% CO2
0% other

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