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MCK477: red dwarf star with 7 planets

  MCK477.1   MCK477.2   MCK477.3   MCK477.4  
MCK477.5
  MCK477.6  
MCK477.7
 

Solar system 'MCK477' comprises the star 'MCK477' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 369 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCK477', a red dwarf class star that contains about 99.7% of the system's known mass and dominates it gravitationally. MCK477 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 7 planets

MCK477.1 is a small terrestrial planet (4120 km radius) which orbits its star in 71 Earth days, one day on MCK477.1 lasts 21 Earth hours. Its average temperature is 1538 K (1265 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCK477.2 is a small terrestrial planet (3049 km radius) which orbits its star in 130 Earth days, one day on MCK477.2 lasts 33 Earth hours. Its average temperature is 1367 K (1094 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 0 moons.
MCK477.3 is a small terrestrial planet (4784 km radius) which orbits its star in 281 Earth days, one day on MCK477.3 lasts 17 Earth hours. Its average temperature is 736 K (463 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
MCK477.4 is a very small terrestrial planet (2168 km radius) which orbits its star in 517 Earth days, one day on MCK477.4 lasts 60 Earth hours. Its average temperature is 436 K (163 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCK477.5 is a large gas giant (63850 km radius) which orbits its star in 63937 Earth days, one day on MCK477.5 lasts 7 Earth hours. Its average temperature is 1224 K (951 C), its atmosphere mainly consists of hydrogen, helium and it has 161 moons.
MCK477.6 is a huge terrestrial planet (13165 km radius) which orbits its star in 117460 Earth days, one day on MCK477.6 lasts 8 Earth hours. Its average temperature is 1162 K (889 C), its atmosphere mainly consists of hydrogen and it has 113 moons.
MCK477.7 is a medium gas giant (29800 km radius) which orbits its star in 215788 Earth days, one day on MCK477.7 lasts 7 Earth hours. Its average temperature is 1045 K (772 C), its atmosphere mainly consists of hydrogen and it has 93 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MCK477.1MCK477.2MCK477.3MCK477.4MCK477.5
distance from star:23*106 km35*106 km58*106 km87*106 km2173*106 km
radius:4120 km3049 km4784 km2168 km63850 km
mass:559*1021 kg226*1021 kg875*1021 kg81*1021 kg2082440*1021 kg
surface gravity: 2.19 m/s2
0.22 Earths
1.62 m/s2
0.16 Earths
2.55 m/s2
0.26 Earths
1.15 m/s2
0.11 Earths
34.0 m/s2
3.47 Earths
escape velocity:4.255 km/s3.145 km/s4.941 km/s2.233 km/s65.98 km/s
year: 81 MCK477.1 days
71 Earth days
94 MCK477.2 days
130 Earth days
396 MCK477.3 days
281 Earth days
206 MCK477.4 days
517 Earth days
219212 MCK477.5 days
63937 Earth days
day:21 hrs33 hrs17 hrs60 hrs7 hrs
axial tilt:13°11°
temperature:1538 K
1265 C
1367 K
1094 C
736 K
463 C
436 K
163 C
1224 K
951 C
atmosphere:6% H2
3% He
59% N2
32% O2
0% other
72% N2
1% O2
27% CO2
0% other
8% H2
2% He
46% N2
42% O2
2% CO2
0% other
80% N2
18% O2
2% CO2
0% other
86% H2
14% He
0% other
moons:0020161
rings:000020

planet:MCK477.6MCK477.7
distance from star:3259*106 km4889*106 km
radius:13165 km29800 km
mass:18253*1021 kg211708*1021 kg
surface gravity: 7.02 m/s2
0.71 Earths
15.9 m/s2
1.62 Earths
escape velocity:13.60 km/s30.79 km/s
year: 352380 MCK477.6 days
117460 Earth days
739844 MCK477.7 days
215788 Earth days
day:8 hrs7 hrs
axial tilt:
temperature:1162 K
889 C
1045 K
772 C
atmosphere:100% H2
0% other
96% H2
4% He
0% other
moons:11393
rings:010

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