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MCK377: red giant star with 5 planets

  MCK377.1   MCK377.2   MCK377.3  
MCK377.4
  MCK377.5  

Solar system 'MCK377' comprises the star 'MCK377' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 66 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCK377', a red giant class star that contains about 99.99% of the system's known mass and dominates it gravitationally. MCK377 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 5 planets

MCK377.1 is a small terrestrial planet (3227 km radius) which orbits its star in 29 Earth days, one day on MCK377.1 lasts 29 Earth hours. Its average temperature is 1042 K (769 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCK377.2 is a large terrestrial planet (8751 km radius) which orbits its star in 576 Earth days, one day on MCK377.2 lasts 8 Earth hours. Its average temperature is 1249 K (976 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
MCK377.3 is a very large terrestrial planet (9156 km radius) which orbits its star in 1173 Earth days, one day on MCK377.3 lasts 7 Earth hours. Its average temperature is 1452 K (1179 C), its atmosphere mainly consists of nitrogen, oxygen and it has 38 moons.
MCK377.4 is a small terrestrial planet (4864 km radius) which orbits its star in 2155 Earth days, one day on MCK377.4 lasts 15 Earth hours. Its average temperature is 861 K (588 C), its atmosphere mainly consists of nitrogen, oxygen and it has 7 moons.
MCK377.5 is a small terrestrial planet (4532 km radius) which orbits its star in 3960 Earth days, one day on MCK377.5 lasts 17 Earth hours. Its average temperature is 478 K (205 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 17 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MCK377.1MCK377.2MCK377.3MCK377.4MCK377.5
distance from star:12*106 km94*106 km151*106 km226*106 km340*106 km
radius:3227 km8751 km9156 km4864 km4532 km
mass:268*1021 kg5361*1021 kg6140*1021 kg920*1021 kg744*1021 kg
surface gravity: 1.71 m/s2
0.17 Earths
4.67 m/s2
0.47 Earths
4.88 m/s2
0.49 Earths
2.59 m/s2
0.26 Earths
2.41 m/s2
0.24 Earths
escape velocity:3.329 km/s9.042 km/s9.461 km/s5.024 km/s4.681 km/s
year: 24 MCK377.1 days
29 Earth days
1728 MCK377.2 days
576 Earth days
4021 MCK377.3 days
1173 Earth days
3448 MCK377.4 days
2155 Earth days
5590 MCK377.5 days
3960 Earth days
day:29 hrs8 hrs7 hrs15 hrs17 hrs
axial tilt:22°17°27°
temperature:1042 K
769 C
1249 K
976 C
1452 K
1179 C
861 K
588 C
478 K
205 C
atmosphere:75% N2
21% O2
4% CO2
0% other
83% N2
16% O2
1% CO2
0% other
72% N2
25% O2
3% CO2
0% other
1% He
59% N2
38% O2
2% CO2
0% other
15% H2
2% He
43% N2
40% O2
0% other
moons:0438717
rings:00010

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