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MCA639: red dwarf star with 9 planets

  MCA639.1  
MCA639.2
  MCA639.3   MCA639.4   MCA639.5  
MCA639.6
 
MCA639.7
 
MCA639.8
 
MCA639.9
 

Solar system 'MCA639' comprises the star 'MCA639' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 619 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCA639', a red dwarf class star that contains about 99.79% of the system's known mass and dominates it gravitationally. MCA639 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 9 planets

MCA639.1 is a very large terrestrial planet (10624 km radius) which orbits its star in 629 Earth days, one day on MCA639.1 lasts 11 Earth hours. Its average temperature is 104 K (-169 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 20 moons.
MCA639.2 is a very large terrestrial planet (9068 km radius) which orbits its star in 1156 Earth days, one day on MCA639.2 lasts 12 Earth hours. Its average temperature is 93 K (-180 C), its atmosphere mainly consists of nitrogen, oxygen and it has 36 moons.
MCA639.3 is a very large terrestrial planet (9659 km radius) which orbits its star in 2282 Earth days, one day on MCA639.3 lasts 11 Earth hours. Its average temperature is 56 K (-217 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 17 moons.
MCA639.4 is a very small terrestrial planet (2988 km radius) which orbits its star in 4194 Earth days, one day on MCA639.4 lasts 37 Earth hours. Its average temperature is 33 K (-240 C), its atmosphere mainly consists of nitrogen, oxygen and it has 7 moons.
MCA639.5 is a large terrestrial planet (8782 km radius) which orbits its star in 7705 Earth days, one day on MCA639.5 lasts 12 Earth hours. Its average temperature is 18 K (-255 C), its atmosphere mainly consists of nitrogen, oxygen and it has 24 moons.
MCA639.6 is a medium gas giant (25826 km radius) which orbits its star in 44151 Earth days, one day on MCA639.6 lasts 9 Earth hours. Its average temperature is 1361 K (1088 C), its atmosphere mainly consists of hydrogen and it has 152 moons.
MCA639.7 is a massive terrestrial planet (15415 km radius) which orbits its star in 81112 Earth days, one day on MCA639.7 lasts 10 Earth hours. Its average temperature is 1720 K (1447 C), its atmosphere mainly consists of hydrogen, helium and it has 130 moons.
MCA639.8 is a huge terrestrial planet (12024 km radius) which orbits its star in 149012 Earth days, one day on MCA639.8 lasts 10 Earth hours. Its average temperature is 1001 K (728 C), its atmosphere mainly consists of hydrogen and it has 95 moons.
MCA639.9 is a large gas giant (60354 km radius) which orbits its star in 273753 Earth days, one day on MCA639.9 lasts 9 Earth hours. Its average temperature is 1591 K (1318 C), its atmosphere mainly consists of hydrogen, helium and it has 138 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MCA639.1MCA639.2MCA639.3MCA639.4MCA639.5
distance from star:99*106 km149*106 km235*106 km353*106 km530*106 km
radius:10624 km9068 km9659 km2988 km8782 km
mass:9592*1021 kg5965*1021 kg7209*1021 kg213*1021 kg5418*1021 kg
surface gravity: 5.67 m/s2
0.57 Earths
4.84 m/s2
0.49 Earths
5.15 m/s2
0.52 Earths
1.59 m/s2
0.16 Earths
4.68 m/s2
0.47 Earths
escape velocity:10.97 km/s9.370 km/s9.981 km/s3.084 km/s9.074 km/s
year: 1372 MCA639.1 days
629 Earth days
2312 MCA639.2 days
1156 Earth days
4978 MCA639.3 days
2282 Earth days
2720 MCA639.4 days
4194 Earth days
15410 MCA639.5 days
7705 Earth days
day:11 hrs12 hrs11 hrs37 hrs12 hrs
axial tilt:152°11°100°
temperature:104 K
-169 C
93 K
-180 C
56 K
-217 C
33 K
-240 C
18 K
-255 C
atmosphere:11% H2
2% He
47% N2
40% O2
0% other
2% H2
1% He
56% N2
40% O2
1% CO2
0% other
83% N2
17% CO2
0% other
4% H2
1% He
57% N2
36% O2
2% CO2
0% other
74% N2
26% O2
0% other
moons:203617724
rings:01000

planet:MCA639.6MCA639.7MCA639.8MCA639.9
distance from star:1697*106 km2546*106 km3819*106 km5729*106 km
radius:25826 km15415 km12024 km60354 km
mass:137803*1021 kg29303*1021 kg13907*1021 kg1758766*1021 kg
surface gravity: 13.7 m/s2
1.40 Earths
8.23 m/s2
0.84 Earths
6.42 m/s2
0.65 Earths
32.2 m/s2
3.29 Earths
escape velocity:26.68 km/s15.92 km/s12.42 km/s62.36 km/s
year: 117736 MCA639.6 days
44151 Earth days
194668 MCA639.7 days
81112 Earth days
357628 MCA639.8 days
149012 Earth days
730008 MCA639.9 days
273753 Earth days
day:9 hrs10 hrs10 hrs9 hrs
axial tilt:71°
temperature:1361 K
1088 C
1720 K
1447 C
1001 K
728 C
1591 K
1318 C
atmosphere:96% H2
4% He
0% other
77% H2
23% He
0% other
91% H2
9% He
0% other
87% H2
13% He
0% other
moons:15213095138
rings:181743

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