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MCJ686: red supergiant star with 4 planets

  MCJ686.1   MCJ686.2  
MCJ686.3
 
MCJ686.4
 

Solar system 'MCJ686' is a dual star system that comprises the stars 'MCJ686.A' and 'MCJ686.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 269 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MCJ686.A' and 'MCJ686.B' that dominate it gravitationally. 'MCJ686.A' is a red supergiant class star that contains about 93% of the system's known mass, 'MCJ686.B' is a red giant class star that contains about 6% of the system's known mass.

System 'MCJ686' is located more than 4826 lightyears from the center of the galaxy.

This solar system comprises 4 planets

MCJ686.1 is a very small terrestrial planet (2906 km radius) which orbits its star in 62 Earth days, one day on MCJ686.1 lasts 33 Earth hours. Its average temperature is 1531 K (1258 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
MCJ686.2 is a medium terrestrial planet (6923 km radius) which orbits its star in 470 Earth days, one day on MCJ686.2 lasts 9 Earth hours. Its average temperature is 1674 K (1401 C), its atmosphere mainly consists of nitrogen, oxygen and it has 18 moons.
MCJ686.3 is a medium gas giant (28593 km radius) which orbits its star in 26814 Earth days, one day on MCJ686.3 lasts 4 Earth hours. Its average temperature is 1425 K (1152 C), its atmosphere mainly consists of hydrogen, helium and it has 129 moons.
MCJ686.4 is a large gas giant (75966 km radius) which orbits its star in 49260 Earth days, one day on MCJ686.4 lasts 4 Earth hours. Its average temperature is 1496 K (1223 C), its atmosphere mainly consists of hydrogen, helium and it has 122 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:MCJ686.1MCJ686.2MCJ686.3MCJ686.4
distance from star:21*106 km82*106 km1217*106 km1826*106 km
radius:2906 km6923 km28593 km75966 km
mass:196*1021 kg2654*1021 kg187011*1021 kg3507096*1021 kg
surface gravity: 1.54 m/s2
0.15 Earths
3.69 m/s2
0.37 Earths
15.2 m/s2
1.55 Earths
40.5 m/s2
4.14 Earths
escape velocity:3.000 km/s7.153 km/s29.54 km/s78.50 km/s
year: 45 MCJ686.1 days
62 Earth days
1253 MCJ686.2 days
470 Earth days
160884 MCJ686.3 days
26814 Earth days
295560 MCJ686.4 days
49260 Earth days
day:33 hrs9 hrs4 hrs4 hrs
axial tilt:15°327°
temperature:1531 K
1258 C
1674 K
1401 C
1425 K
1152 C
1496 K
1223 C
atmosphere:7% H2
2% He
60% N2
30% O2
1% CO2
0% other
72% N2
27% O2
1% CO2
0% other
77% H2
23% He
0% other
77% H2
23% He
0% other
moons:018129122
rings:00113

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