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PDJ392: red giant star with 4 planets

  PDJ392.1  
PDJ392.2
 
PDJ392.3
 
PDJ392.4
 

Solar system 'PDJ392' comprises the star 'PDJ392' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 343 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'PDJ392', a red giant class star that contains about 99.97% of the system's known mass and dominates it gravitationally. PDJ392 is located more than 3101 lightyears from the center of the galaxy.

This solar system comprises 4 planets

PDJ392.1 is a very small terrestrial planet (2125 km radius) which orbits its star in 37 Earth days, one day on PDJ392.1 lasts 59 Earth hours. Its average temperature is 1879 K (1606 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
PDJ392.2 is a massive terrestrial planet (16431 km radius) which orbits its star in 2740 Earth days, one day on PDJ392.2 lasts 4 Earth hours. Its average temperature is 1392 K (1119 C), its atmosphere mainly consists of hydrogen, helium and it has 90 moons.
PDJ392.3 is a large gas giant (40689 km radius) which orbits its star in 5034 Earth days, one day on PDJ392.3 lasts 4 Earth hours. Its average temperature is 1939 K (1666 C), its atmosphere mainly consists of hydrogen, helium and it has 166 moons.
PDJ392.4 is a large gas giant (46846 km radius) which orbits its star in 14536 Earth days, one day on PDJ392.4 lasts 4 Earth hours. Its average temperature is 1958 K (1685 C), its atmosphere mainly consists of hydrogen, helium and it has 87 moons.
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Planetary Orbits

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Planetary Statistics

planet:PDJ392.1PDJ392.2PDJ392.3PDJ392.4
distance from star:15*106 km266*106 km399*106 km809*106 km
radius:2125 km16431 km40689 km46846 km
mass:76*1021 kg35488*1021 kg538915*1021 kg822446*1021 kg
surface gravity: 1.12 m/s2
0.11 Earths
8.77 m/s2
0.89 Earths
21.7 m/s2
2.21 Earths
25.0 m/s2
2.55 Earths
escape velocity:2.184 km/s16.97 km/s42.04 km/s48.40 km/s
year: 15 PDJ392.1 days
37 Earth days
16440 PDJ392.2 days
2740 Earth days
30204 PDJ392.3 days
5034 Earth days
87216 PDJ392.4 days
14536 Earth days
day:59 hrs4 hrs4 hrs4 hrs
axial tilt:21°
temperature:1879 K
1606 C
1392 K
1119 C
1939 K
1666 C
1958 K
1685 C
atmosphere:1% He
77% N2
19% O2
3% CO2
0% other
89% H2
11% He
0% other
80% H2
20% He
0% other
80% H2
20% He
0% other
moons:09016687
rings:014136

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