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MDJ345: red giant star with 9 planets

  MDJ345.1   MDJ345.2  
MDJ345.3
  MDJ345.4   MDJ345.5  
MDJ345.6
 
MDJ345.7
 
MDJ345.8
 
MDJ345.9
 

Solar system 'MDJ345' is a dual star system that comprises the stars 'MDJ345.A' and 'MDJ345.B' and the retinue of celestial objects gravitationally bound to them: 9 planets and their 579 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MDJ345.A' and 'MDJ345.B' that dominate it gravitationally. 'MDJ345.A' is a red giant class star that contains about 81% of the system's known mass, 'MDJ345.B' is a red giant class star that contains about 18% of the system's known mass.

System 'MDJ345' is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 9 planets

MDJ345.1 is a large terrestrial planet (7920 km radius) which orbits its star in 97 Earth days, one day on MDJ345.1 lasts 12 Earth hours. Its average temperature is 1481 K (1208 C), its atmosphere mainly consists of nitrogen, oxygen and it has 7 moons.
MDJ345.2 is a medium terrestrial planet (5812 km radius) which orbits its star in 453 Earth days, one day on MDJ345.2 lasts 16 Earth hours. Its average temperature is 1520 K (1247 C), its atmosphere mainly consists of nitrogen, oxygen and it has 8 moons.
MDJ345.3 is a medium terrestrial planet (6216 km radius) which orbits its star in 833 Earth days, one day on MDJ345.3 lasts 15 Earth hours. Its average temperature is 1013 K (740 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 21 moons.
MDJ345.4 is a very large terrestrial planet (11227 km radius) which orbits its star in 1556 Earth days, one day on MDJ345.4 lasts 10 Earth hours. Its average temperature is 1174 K (901 C), its atmosphere mainly consists of nitrogen, oxygen and it has 21 moons.
MDJ345.5 is a medium gas giant (39381 km radius) which orbits its star in 49079 Earth days, one day on MDJ345.5 lasts 9 Earth hours. Its average temperature is 1313 K (1040 C), its atmosphere mainly consists of hydrogen, helium and it has 94 moons.
MDJ345.6 is a medium gas giant (20535 km radius) which orbits its star in 90165 Earth days, one day on MDJ345.6 lasts 9 Earth hours. Its average temperature is 1577 K (1304 C), its atmosphere mainly consists of hydrogen and it has 122 moons.
MDJ345.7 is a huge terrestrial planet (12759 km radius) which orbits its star in 165643 Earth days, one day on MDJ345.7 lasts 10 Earth hours. Its average temperature is 1556 K (1283 C), its atmosphere mainly consists of hydrogen, helium and it has 101 moons.
MDJ345.8 is a large gas giant (49956 km radius) which orbits its star in 304307 Earth days, one day on MDJ345.8 lasts 9 Earth hours. Its average temperature is 1010 K (737 C), its atmosphere mainly consists of hydrogen and it has 163 moons.
MDJ345.9 is a large gas giant (51332 km radius) which orbits its star in 559047 Earth days, one day on MDJ345.9 lasts 9 Earth hours. Its average temperature is 1232 K (959 C), its atmosphere mainly consists of hydrogen, helium and it has 42 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MDJ345.1MDJ345.2MDJ345.3MDJ345.4MDJ345.5
distance from star:28*106 km80*106 km120*106 km182*106 km1821*106 km
radius:7920 km5812 km6216 km11227 km39381 km
mass:3974*1021 kg1570*1021 kg1921*1021 kg11320*1021 kg488596*1021 kg
surface gravity: 4.22 m/s2
0.43 Earths
3.10 m/s2
0.31 Earths
3.31 m/s2
0.33 Earths
5.99 m/s2
0.61 Earths
21.0 m/s2
2.14 Earths
escape velocity:8.184 km/s6.004 km/s6.422 km/s11.60 km/s40.69 km/s
year: 194 MDJ345.1 days
97 Earth days
679 MDJ345.2 days
453 Earth days
1332 MDJ345.3 days
833 Earth days
3734 MDJ345.4 days
1556 Earth days
130877 MDJ345.5 days
49079 Earth days
day:12 hrs16 hrs15 hrs10 hrs9 hrs
axial tilt:12°30°
temperature:1481 K
1208 C
1520 K
1247 C
1013 K
740 C
1174 K
901 C
1313 K
1040 C
atmosphere:10% H2
2% He
59% N2
26% O2
3% CO2
0% other
8% H2
2% He
64% N2
25% O2
1% CO2
0% other
28% N2
72% CO2
0% other
8% H2
3% He
44% N2
44% O2
1% CO2
0% other
81% H2
19% He
0% other
moons:78212194
rings:00600

planet:MDJ345.6MDJ345.7MDJ345.8MDJ345.9
distance from star:2732*106 km4098*106 km6148*106 km9222*106 km
radius:20535 km12759 km49956 km51332 km
mass:69274*1021 kg16616*1021 kg997362*1021 kg1082067*1021 kg
surface gravity: 10.9 m/s2
1.11 Earths
6.81 m/s2
0.69 Earths
26.6 m/s2
2.71 Earths
27.4 m/s2
2.80 Earths
escape velocity:21.22 km/s13.18 km/s51.62 km/s53.04 km/s
year: 240440 MDJ345.6 days
90165 Earth days
397543 MDJ345.7 days
165643 Earth days
811485 MDJ345.8 days
304307 Earth days
1490792 MDJ345.9 days
559047 Earth days
day:9 hrs10 hrs9 hrs9 hrs
axial tilt:
temperature:1577 K
1304 C
1556 K
1283 C
1010 K
737 C
1232 K
959 C
atmosphere:99% H2
1% He
0% other
85% H2
15% He
0% other
90% H2
10% He
0% other
84% H2
16% He
0% other
moons:12210116342
rings:920312

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