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MDJ354: red giant star with 7 planets

  MDJ354.1   MDJ354.2   MDJ354.3   MDJ354.4   MDJ354.5   MDJ354.6   MDJ354.7  

Solar system 'MDJ354' comprises the star 'MDJ354' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 217 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MDJ354', a red giant class star that contains about 99.98% of the system's known mass and dominates it gravitationally. MDJ354 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 7 planets

MDJ354.1 is a large terrestrial planet (7810 km radius) which orbits its star in 165 Earth days, one day on MDJ354.1 lasts 11 Earth hours. Its average temperature is 1435 K (1162 C), its atmosphere mainly consists of nitrogen, oxygen and it has 8 moons.
MDJ354.2 is a very large terrestrial planet (11002 km radius) which orbits its star in 818 Earth days, one day on MDJ354.2 lasts 9 Earth hours. Its average temperature is 1361 K (1088 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 3 moons.
MDJ354.3 is a large terrestrial planet (7052 km radius) which orbits its star in 1503 Earth days, one day on MDJ354.3 lasts 12 Earth hours. Its average temperature is 1815 K (1542 C), its atmosphere mainly consists of nitrogen and it has 2 moons.
MDJ354.4 is a large terrestrial planet (7208 km radius) which orbits its star in 2761 Earth days, one day on MDJ354.4 lasts 11 Earth hours. Its average temperature is 1075 K (802 C), its atmosphere mainly consists of nitrogen and it has 36 moons.
MDJ354.5 is a large terrestrial planet (8109 km radius) which orbits its star in 5073 Earth days, one day on MDJ354.5 lasts 10 Earth hours. Its average temperature is 597 K (324 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 21 moons.
MDJ354.6 is a medium gas giant (22955 km radius) which orbits its star in 9319 Earth days, one day on MDJ354.6 lasts 7 Earth hours. Its average temperature is 1968 K (1695 C), its atmosphere mainly consists of hydrogen and it has 43 moons.
MDJ354.7 is a large gas giant (65582 km radius) which orbits its star in 77674 Earth days, one day on MDJ354.7 lasts 7 Earth hours. Its average temperature is 1086 K (813 C), its atmosphere mainly consists of hydrogen, helium and it has 104 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MDJ354.1MDJ354.2MDJ354.3MDJ354.4MDJ354.5
distance from star:40*106 km118*106 km178*106 km267*106 km401*106 km
radius:7810 km11002 km7052 km7208 km8109 km
mass:3811*1021 kg10653*1021 kg2805*1021 kg2995*1021 kg4265*1021 kg
surface gravity: 4.17 m/s2
0.42 Earths
5.87 m/s2
0.60 Earths
3.76 m/s2
0.38 Earths
3.84 m/s2
0.39 Earths
4.32 m/s2
0.44 Earths
escape velocity:8.070 km/s11.36 km/s7.286 km/s7.447 km/s8.379 km/s
year: 360 MDJ354.1 days
165 Earth days
2181 MDJ354.2 days
818 Earth days
3006 MDJ354.3 days
1503 Earth days
6024 MDJ354.4 days
2761 Earth days
12175 MDJ354.5 days
5073 Earth days
day:11 hrs9 hrs12 hrs11 hrs10 hrs
axial tilt:30°22°19°22°
temperature:1435 K
1162 C
1361 K
1088 C
1815 K
1542 C
1075 K
802 C
597 K
324 C
atmosphere:4% H2
1% He
48% N2
46% O2
1% CO2
0% other
22% H2
3% He
27% N2
46% O2
2% CO2
0% other
89% N2
10% O2
1% CO2
0% other
90% N2
7% O2
3% CO2
0% other
81% N2
8% O2
11% CO2
0% other
moons:8323621
rings:00000

planet:MDJ354.6MDJ354.7
distance from star:601*106 km2474*106 km
radius:22955 km65582 km
mass:96765*1021 kg2256544*1021 kg
surface gravity: 12.2 m/s2
1.24 Earths
35.0 m/s2
3.57 Earths
escape velocity:23.72 km/s67.77 km/s
year: 31950 MDJ354.6 days
9319 Earth days
266310 MDJ354.7 days
77674 Earth days
day:7 hrs7 hrs
axial tilt:
temperature:1968 K
1695 C
1086 K
813 C
atmosphere:97% H2
3% He
0% other
77% H2
23% He
0% other
moons:43104
rings:00

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