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MCG546: yellow dwarf star with 13 planets

  MCG546.1   MCG546.2   MCG546.3   MCG546.4  
MCG546.5
 
MCG546.6
  MCG546.7   MCG546.8  
MCG546.9
  MCG546.10  
MCG546.11
  MCG546.12   MCG546.13  

Solar system 'MCG546' is a dual star system that comprises the stars 'MCG546.A' and 'MCG546.B' and the retinue of celestial objects gravitationally bound to them: 13 planets and their 818 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MCG546.A' and 'MCG546.B' that dominate it gravitationally. 'MCG546.A' is a yellow dwarf class star that contains about 99% of the system's known mass, 'MCG546.B' is a brown dwarf class star that contains about 0% of the system's known mass.

System 'MCG546' is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 13 planets

MCG546.1 is a very large terrestrial planet (11853 km radius) which orbits its star in 0 Earth days, one day on MCG546.1 lasts 14 Earth hours. Its average temperature is 1217 K (944 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCG546.2 is a small terrestrial planet (3921 km radius) which orbits its star in 74 Earth days, one day on MCG546.2 lasts 29 Earth hours. Its average temperature is 1434 K (1161 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
MCG546.3 is a very large terrestrial planet (11344 km radius) which orbits its star in 345 Earth days, one day on MCG546.3 lasts 14 Earth hours. Its average temperature is 1117 K (844 C), its atmosphere mainly consists of nitrogen and it has 3 moons.
MCG546.4 is a small terrestrial planet (3812 km radius) which orbits its star in 635 Earth days, one day on MCG546.4 lasts 30 Earth hours. Its average temperature is 660 K (387 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
MCG546.5 is a large gas giant (46381 km radius) which orbits its star in 53613 Earth days, one day on MCG546.5 lasts 13 Earth hours. Its average temperature is 1986 K (1713 C), its atmosphere mainly consists of hydrogen, helium and it has 131 moons.
MCG546.6 is a medium gas giant (21935 km radius) which orbits its star in 98494 Earth days, one day on MCG546.6 lasts 13 Earth hours. Its average temperature is 1082 K (809 C), its atmosphere mainly consists of hydrogen, helium and it has 48 moons.
MCG546.7 is a large gas giant (73754 km radius) which orbits its star in 202239 Earth days, one day on MCG546.7 lasts 13 Earth hours. Its average temperature is 1341 K (1068 C), its atmosphere mainly consists of hydrogen, helium and it has 165 moons.
MCG546.8 is a large gas giant (54073 km radius) which orbits its star in 371538 Earth days, one day on MCG546.8 lasts 13 Earth hours. Its average temperature is 1305 K (1032 C), its atmosphere mainly consists of hydrogen and it has 66 moons.
MCG546.9 is a medium gas giant (25413 km radius) which orbits its star in 682559 Earth days, one day on MCG546.9 lasts 13 Earth hours. Its average temperature is 1455 K (1182 C), its atmosphere mainly consists of hydrogen and it has 120 moons.
MCG546.10 is a massive terrestrial planet (16513 km radius) which orbits its star in 1253941 Earth days, one day on MCG546.10 lasts 13 Earth hours. Its average temperature is 1037 K (764 C), its atmosphere mainly consists of hydrogen, helium and it has 95 moons.
MCG546.11 is a medium gas giant (29695 km radius) which orbits its star in 2303637 Earth days, one day on MCG546.11 lasts 13 Earth hours. Its average temperature is 1932 K (1659 C), its atmosphere mainly consists of hydrogen and it has 150 moons.
MCG546.12 is a small terrestrial planetoid (1088 km radius) which orbits its star in 3028210 Earth days, one day on MCG546.12 lasts 230 Earth hours. Its average temperature is 1621 K (1348 C), its atmosphere mainly consists of and it has 14 moons.
MCG546.13 is a small terrestrial planet (4770 km radius) which orbits its star in 3980685 Earth days, one day on MCG546.13 lasts 23 Earth hours. Its average temperature is 1279 K (1006 C), its atmosphere mainly consists of and it has 24 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MCG546.1MCG546.2MCG546.3MCG546.4MCG546.5
distance from star:0*106 km24*106 km66*106 km100*106 km1932*106 km
radius:11853 km3921 km11344 km3812 km46381 km
mass:13322*1021 kg482*1021 kg11678*1021 kg443*1021 kg798197*1021 kg
surface gravity: 6.32 m/s2
0.64 Earths
2.09 m/s2
0.21 Earths
6.05 m/s2
0.61 Earths
2.03 m/s2
0.20 Earths
24.7 m/s2
2.52 Earths
escape velocity:12.24 km/s4.050 km/s11.72 km/s3.938 km/s47.92 km/s
year: 0 MCG546.1 days
0 Earth days
61 MCG546.2 days
74 Earth days
591 MCG546.3 days
345 Earth days
508 MCG546.4 days
635 Earth days
98977 MCG546.5 days
53613 Earth days
day:14 hrs29 hrs14 hrs30 hrs13 hrs
axial tilt:22°17°
temperature:1217 K
944 C
1434 K
1161 C
1117 K
844 C
660 K
387 C
1986 K
1713 C
atmosphere:81% N2
15% O2
4% CO2
0% other
1% He
79% N2
16% O2
4% CO2
0% other
93% N2
5% O2
2% CO2
0% other
73% N2
26% O2
1% CO2
0% other
84% H2
16% He
0% other
moons:0131131
rings:00002

planet:MCG546.6MCG546.7MCG546.8MCG546.9MCG546.10
distance from star:2898*106 km4682*106 km7023*106 km10535*106 km15803*106 km
radius:21935 km73754 km54073 km25413 km16513 km
mass:84431*1021 kg3209569*1021 kg1264827*1021 kg131297*1021 kg36022*1021 kg
surface gravity: 11.7 m/s2
1.19 Earths
39.3 m/s2
4.01 Earths
28.8 m/s2
2.94 Earths
13.5 m/s2
1.38 Earths
8.81 m/s2
0.90 Earths
escape velocity:22.66 km/s76.21 km/s55.87 km/s26.26 km/s17.06 km/s
year: 181835 MCG546.6 days
98494 Earth days
373364 MCG546.7 days
202239 Earth days
685916 MCG546.8 days
371538 Earth days
1260108 MCG546.9 days
682559 Earth days
2314968 MCG546.10 days
1253941 Earth days
day:13 hrs13 hrs13 hrs13 hrs13 hrs
axial tilt:
temperature:1082 K
809 C
1341 K
1068 C
1305 K
1032 C
1455 K
1182 C
1037 K
764 C
atmosphere:89% H2
11% He
0% other
77% H2
23% He
0% other
97% H2
3% He
0% other
97% H2
3% He
0% other
79% H2
21% He
0% other
moons:481656612095
rings:600230

planet:MCG546.11MCG546.12MCG546.13
distance from star:23704*106 km28445*106 km34134*106 km
radius:29695 km1088 km4770 km
mass:209478*1021 kg10*1021 kg868*1021 kg
surface gravity: 15.8 m/s2
1.61 Earths
0.56 m/s2
0.05 Earths
2.54 m/s2
0.25 Earths
escape velocity:30.68 km/s1.107 km/s4.928 km/s
year: 4252868 MCG546.11 days
2303637 Earth days
315987 MCG546.12 days
3028210 Earth days
4153758 MCG546.13 days
3980685 Earth days
day:13 hrs230 hrs23 hrs
axial tilt:25°302°
temperature:1932 K
1659 C
1621 K
1348 C
1279 K
1006 C
atmosphere:91% H2
9% He
0% other
100% other100% other
moons:1501424
rings:900

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