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MCG439: red dwarf star with 13 planets

  MCG439.1   MCG439.2   MCG439.3   MCG439.4   MCG439.5  
MCG439.6
  MCG439.7   MCG439.8  
MCG439.9
 
MCG439.10
 
MCG439.11
 
MCG439.12
  MCG439.13  

Solar system 'MCG439' comprises the star 'MCG439' and the retinue of celestial objects gravitationally bound to it: 13 planets and their 781 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCG439', a red dwarf class star that contains about 96.84% of the system's known mass and dominates it gravitationally. MCG439 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 13 planets

MCG439.1 is a large terrestrial planet (7960 km radius) which orbits its star in 37 Earth days, one day on MCG439.1 lasts 16 Earth hours. Its average temperature is 937 K (664 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCG439.2 is a very large terrestrial planet (10874 km radius) which orbits its star in 441 Earth days, one day on MCG439.2 lasts 15 Earth hours. Its average temperature is 69 K (-204 C), its atmosphere mainly consists of nitrogen, oxygen and it has 46 moons.
MCG439.3 is a large terrestrial planet (8779 km radius) which orbits its star in 1189 Earth days, one day on MCG439.3 lasts 16 Earth hours. Its average temperature is 27 K (-246 C), its atmosphere mainly consists of nitrogen, oxygen and it has 21 moons.
MCG439.4 is a very large terrestrial planet (11369 km radius) which orbits its star in 2185 Earth days, one day on MCG439.4 lasts 14 Earth hours. Its average temperature is 16 K (-257 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 27 moons.
MCG439.5 is a small terrestrial planet (4863 km radius) which orbits its star in 4014 Earth days, one day on MCG439.5 lasts 23 Earth hours. Its average temperature is 9 K (-264 C), its atmosphere mainly consists of nitrogen and it has 4 moons.
MCG439.6 is a medium gas giant (33616 km radius) which orbits its star in 9042 Earth days, one day on MCG439.6 lasts 13 Earth hours. Its average temperature is 1051 K (778 C), its atmosphere mainly consists of hydrogen and it has 119 moons.
MCG439.7 is a large gas giant (49736 km radius) which orbits its star in 98909 Earth days, one day on MCG439.7 lasts 13 Earth hours. Its average temperature is 1003 K (730 C), its atmosphere mainly consists of hydrogen, helium and it has 98 moons.
MCG439.8 is a large gas giant (55435 km radius) which orbits its star in 196498 Earth days, one day on MCG439.8 lasts 13 Earth hours. Its average temperature is 1583 K (1310 C), its atmosphere mainly consists of hydrogen, helium and it has 94 moons.
MCG439.9 is a large gas giant (67711 km radius) which orbits its star in 360990 Earth days, one day on MCG439.9 lasts 13 Earth hours. Its average temperature is 1224 K (951 C), its atmosphere mainly consists of hydrogen, helium and it has 57 moons.
MCG439.10 is a very large terrestrial planet (11327 km radius) which orbits its star in 663181 Earth days, one day on MCG439.10 lasts 14 Earth hours. Its average temperature is 1873 K (1600 C), its atmosphere mainly consists of hydrogen, helium and it has 92 moons.
MCG439.11 is a large gas giant (54372 km radius) which orbits its star in 1218341 Earth days, one day on MCG439.11 lasts 13 Earth hours. Its average temperature is 1196 K (923 C), its atmosphere mainly consists of hydrogen and it has 86 moons.
MCG439.12 is a small gas giant (18557 km radius) which orbits its star in 2238236 Earth days, one day on MCG439.12 lasts 13 Earth hours. Its average temperature is 1649 K (1376 C), its atmosphere mainly consists of hydrogen, helium and it has 105 moons.
MCG439.13 is a small terrestrial planet (4467 km radius) which orbits its star in 2942238 Earth days, one day on MCG439.13 lasts 25 Earth hours. Its average temperature is 1512 K (1239 C), its atmosphere mainly consists of and it has 32 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MCG439.1MCG439.2MCG439.3MCG439.4MCG439.5
distance from star:15*106 km78*106 km152*106 km228*106 km343*106 km
radius:7960 km10874 km8779 km11369 km4863 km
mass:4034*1021 kg10286*1021 kg5412*1021 kg11755*1021 kg920*1021 kg
surface gravity: 4.24 m/s2
0.43 Earths
5.80 m/s2
0.59 Earths
4.68 m/s2
0.47 Earths
6.06 m/s2
0.61 Earths
2.59 m/s2
0.26 Earths
escape velocity:8.224 km/s11.23 km/s9.071 km/s11.74 km/s5.025 km/s
year: 55 MCG439.1 days
37 Earth days
705 MCG439.2 days
441 Earth days
1783 MCG439.3 days
1189 Earth days
3745 MCG439.4 days
2185 Earth days
4188 MCG439.5 days
4014 Earth days
day:16 hrs15 hrs16 hrs14 hrs23 hrs
axial tilt:30°13°18°
temperature:937 K
664 C
69 K
-204 C
27 K
-246 C
16 K
-257 C
9 K
-264 C
atmosphere:2% H2
1% He
70% N2
25% O2
2% CO2
0% other
2% H2
1% He
58% N2
38% O2
1% CO2
0% other
2% H2
2% He
57% N2
39% O2
0% other
61% N2
1% O2
38% CO2
0% other
87% N2
9% O2
4% CO2
0% other
moons:04621274
rings:00000

planet:MCG439.6MCG439.7MCG439.8MCG439.9MCG439.10
distance from star:589*106 km2906*106 km4593*106 km6890*106 km10335*106 km
radius:33616 km49736 km55435 km67711 km11327 km
mass:303898*1021 kg984243*1021 kg1362831*1021 kg2483520*1021 kg11626*1021 kg
surface gravity: 17.9 m/s2
1.83 Earths
26.5 m/s2
2.70 Earths
29.5 m/s2
3.01 Earths
36.1 m/s2
3.69 Earths
6.04 m/s2
0.61 Earths
escape velocity:34.73 km/s51.39 km/s57.28 km/s69.97 km/s11.70 km/s
year: 16692 MCG439.6 days
9042 Earth days
182601 MCG439.7 days
98909 Earth days
362765 MCG439.8 days
196498 Earth days
666443 MCG439.9 days
360990 Earth days
1136881 MCG439.10 days
663181 Earth days
day:13 hrs13 hrs13 hrs13 hrs14 hrs
axial tilt:19°
temperature:1051 K
778 C
1003 K
730 C
1583 K
1310 C
1224 K
951 C
1873 K
1600 C
atmosphere:94% H2
6% He
0% other
78% H2
22% He
0% other
85% H2
15% He
0% other
78% H2
22% He
0% other
86% H2
14% He
0% other
moons:11998945792
rings:16001814

planet:MCG439.11MCG439.12MCG439.13
distance from star:15502*106 km23253*106 km27904*106 km
radius:54372 km18557 km4467 km
mass:1285925*1021 kg51122*1021 kg713*1021 kg
surface gravity: 29.0 m/s2
2.96 Earths
9.90 m/s2
1.01 Earths
2.38 m/s2
0.24 Earths
escape velocity:56.18 km/s19.17 km/s4.615 km/s
year: 2249244 MCG439.11 days
1218341 Earth days
4132128 MCG439.12 days
2238236 Earth days
2824548 MCG439.13 days
2942238 Earth days
day:13 hrs13 hrs25 hrs
axial tilt:16°
temperature:1196 K
923 C
1649 K
1376 C
1512 K
1239 C
atmosphere:95% H2
5% He
0% other
87% H2
13% He
0% other
100% other
moons:8610532
rings:760

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