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MDJ420: red giant star with 11 planets

  MDJ420.1   MDJ420.2   MDJ420.3   MDJ420.4   MDJ420.5   MDJ420.6  
MDJ420.7
 
MDJ420.8
 
MDJ420.9
 
MDJ420.10
  MDJ420.11  

Solar system 'MDJ420' comprises the star 'MDJ420' and the retinue of celestial objects gravitationally bound to it: 11 planets and their 544 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MDJ420', a red giant class star that contains about 99.97% of the system's known mass and dominates it gravitationally. MDJ420 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 11 planets

MDJ420.1 is a medium terrestrial planet (5812 km radius) which orbits its star in 217 Earth days, one day on MDJ420.1 lasts 18 Earth hours. Its average temperature is 1885 K (1612 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 7 moons.
MDJ420.2 is a small terrestrial planet (3003 km radius) which orbits its star in 400 Earth days, one day on MDJ420.2 lasts 38 Earth hours. Its average temperature is 1675 K (1402 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
MDJ420.3 is a very large terrestrial planet (11183 km radius) which orbits its star in 979 Earth days, one day on MDJ420.3 lasts 12 Earth hours. Its average temperature is 1525 K (1252 C), its atmosphere mainly consists of nitrogen, oxygen and it has 43 moons.
MDJ420.4 is a very large terrestrial planet (10338 km radius) which orbits its star in 1799 Earth days, one day on MDJ420.4 lasts 13 Earth hours. Its average temperature is 1807 K (1534 C), its atmosphere mainly consists of nitrogen, oxygen and it has 47 moons.
MDJ420.5 is a medium terrestrial planet (6677 km radius) which orbits its star in 3306 Earth days, one day on MDJ420.5 lasts 16 Earth hours. Its average temperature is 1004 K (731 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 23 moons.
MDJ420.6 is a very large terrestrial planet (11661 km radius) which orbits its star in 6074 Earth days, one day on MDJ420.6 lasts 12 Earth hours. Its average temperature is 535 K (262 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 32 moons.
MDJ420.7 is a large gas giant (63320 km radius) which orbits its star in 27862 Earth days, one day on MDJ420.7 lasts 11 Earth hours. Its average temperature is 1973 K (1700 C), its atmosphere mainly consists of hydrogen, helium and it has 109 moons.
MDJ420.8 is a large gas giant (71437 km radius) which orbits its star in 91931 Earth days, one day on MDJ420.8 lasts 11 Earth hours. Its average temperature is 1499 K (1226 C), its atmosphere mainly consists of hydrogen, helium and it has 113 moons.
MDJ420.9 is a huge terrestrial planet (12885 km radius) which orbits its star in 168888 Earth days, one day on MDJ420.9 lasts 12 Earth hours. Its average temperature is 1540 K (1267 C), its atmosphere mainly consists of hydrogen, helium and it has 45 moons.
MDJ420.10 is a large terrestrial planet (7666 km radius) which orbits its star in 310268 Earth days, one day on MDJ420.10 lasts 15 Earth hours. Its average temperature is 1117 K (844 C), its atmosphere mainly consists of hydrogen, helium and it has 124 moons.
MDJ420.11 is a very small terrestrial planet (2497 km radius) which orbits its star in 407858 Earth days, one day on MDJ420.11 lasts 51 Earth hours. Its average temperature is 1664 K (1391 C), its atmosphere mainly consists of and it has 0 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MDJ420.1MDJ420.2MDJ420.3MDJ420.4MDJ420.5
distance from star:49*106 km73*106 km134*106 km201*106 km301*106 km
radius:5812 km3003 km11183 km10338 km6677 km
mass:1570*1021 kg216*1021 kg11188*1021 kg8838*1021 kg2381*1021 kg
surface gravity: 3.10 m/s2
0.31 Earths
1.59 m/s2
0.16 Earths
5.97 m/s2
0.61 Earths
5.51 m/s2
0.56 Earths
3.56 m/s2
0.36 Earths
escape velocity:6.004 km/s3.098 km/s11.55 km/s10.68 km/s6.899 km/s
year: 289 MDJ420.1 days
217 Earth days
252 MDJ420.2 days
400 Earth days
1958 MDJ420.3 days
979 Earth days
3321 MDJ420.4 days
1799 Earth days
4959 MDJ420.5 days
3306 Earth days
day:18 hrs38 hrs12 hrs13 hrs16 hrs
axial tilt:16°213°12°20°
temperature:1885 K
1612 C
1675 K
1402 C
1525 K
1252 C
1807 K
1534 C
1004 K
731 C
atmosphere:22% H2
3% He
33% N2
42% O2
0% other
65% N2
35% O2
0% other
6% H2
1% He
46% N2
47% O2
0% other
56% N2
43% O2
1% CO2
0% other
21% H2
4% He
27% N2
48% O2
0% other
moons:71434723
rings:00000

planet:MDJ420.6MDJ420.7MDJ420.8MDJ420.9MDJ420.10
distance from star:452*106 km1249*106 km2768*106 km4152*106 km6228*106 km
radius:11661 km63320 km71437 km12885 km7666 km
mass:12685*1021 kg2031013*1021 kg2916484*1021 kg17113*1021 kg3604*1021 kg
surface gravity: 6.22 m/s2
0.63 Earths
33.8 m/s2
3.45 Earths
38.1 m/s2
3.89 Earths
6.87 m/s2
0.70 Earths
4.09 m/s2
0.41 Earths
escape velocity:12.05 km/s65.43 km/s73.82 km/s13.31 km/s7.921 km/s
year: 12148 MDJ420.6 days
6074 Earth days
60789 MDJ420.7 days
27862 Earth days
200576 MDJ420.8 days
91931 Earth days
337776 MDJ420.9 days
168888 Earth days
496428 MDJ420.10 days
310268 Earth days
day:12 hrs11 hrs11 hrs12 hrs15 hrs
axial tilt:33°
temperature:535 K
262 C
1973 K
1700 C
1499 K
1226 C
1540 K
1267 C
1117 K
844 C
atmosphere:34% N2
66% CO2
0% other
88% H2
12% He
0% other
86% H2
14% He
0% other
82% H2
18% He
0% other
83% H2
17% He
0% other
moons:3210911345124
rings:042111

planet:MDJ420.11
distance from star:7474*106 km
radius:2497 km
mass:124*1021 kg
surface gravity: 1.32 m/s2
0.13 Earths
escape velocity:2.574 km/s
year: 191933 MDJ420.11 days
407858 Earth days
day:51 hrs
axial tilt:16°
temperature:1664 K
1391 C
atmosphere:100% other
moons:0
rings:0

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