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PDJ397: red dwarf star with 7 planets

  PDJ397.1   PDJ397.2   PDJ397.3  
PDJ397.4
 
PDJ397.5
 
PDJ397.6
 
PDJ397.7
 

Solar system 'PDJ397' comprises the star 'PDJ397' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 612 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'PDJ397', a red dwarf class star that contains about 99.34% of the system's known mass and dominates it gravitationally. PDJ397 is located more than 3198 lightyears from the center of the galaxy.

This solar system comprises 7 planets

PDJ397.1 is a medium terrestrial planet (6544 km radius) which orbits its star in 199 Earth days, one day on PDJ397.1 lasts 12 Earth hours. Its average temperature is 425 K (152 C), its atmosphere mainly consists of nitrogen and it has 7 moons.
PDJ397.2 is a very large terrestrial planet (11532 km radius) which orbits its star in 365 Earth days, one day on PDJ397.2 lasts 8 Earth hours. Its average temperature is 378 K (105 C), its atmosphere mainly consists of nitrogen, oxygen and it has 31 moons.
PDJ397.3 is a medium terrestrial planet (6468 km radius) which orbits its star in 945 Earth days, one day on PDJ397.3 lasts 12 Earth hours. Its average temperature is 160 K (-113 C), its atmosphere mainly consists of nitrogen, oxygen and it has 27 moons.
PDJ397.4 is a medium gas giant (25326 km radius) which orbits its star in 13606 Earth days, one day on PDJ397.4 lasts 7 Earth hours. Its average temperature is 1519 K (1246 C), its atmosphere mainly consists of hydrogen and it has 152 moons.
PDJ397.5 is a large gas giant (58793 km radius) which orbits its star in 57675 Earth days, one day on PDJ397.5 lasts 7 Earth hours. Its average temperature is 1315 K (1042 C), its atmosphere mainly consists of hydrogen and it has 98 moons.
PDJ397.6 is a large gas giant (74525 km radius) which orbits its star in 105956 Earth days, one day on PDJ397.6 lasts 7 Earth hours. Its average temperature is 1440 K (1167 C), its atmosphere mainly consists of hydrogen, helium and it has 140 moons.
PDJ397.7 is a large gas giant (41298 km radius) which orbits its star in 194654 Earth days, one day on PDJ397.7 lasts 7 Earth hours. Its average temperature is 1126 K (853 C), its atmosphere mainly consists of hydrogen and it has 157 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:PDJ397.1PDJ397.2PDJ397.3PDJ397.4PDJ397.5
distance from star:46*106 km69*106 km130*106 km774*106 km2028*106 km
radius:6544 km11532 km6468 km25326 km58793 km
mass:2241*1021 kg12268*1021 kg2164*1021 kg129954*1021 kg1625798*1021 kg
surface gravity: 3.49 m/s2
0.35 Earths
6.15 m/s2
0.62 Earths
3.45 m/s2
0.35 Earths
13.5 m/s2
1.38 Earths
31.3 m/s2
3.20 Earths
escape velocity:6.761 km/s11.91 km/s6.682 km/s26.17 km/s60.75 km/s
year: 398 PDJ397.1 days
199 Earth days
1095 PDJ397.2 days
365 Earth days
1890 PDJ397.3 days
945 Earth days
46649 PDJ397.4 days
13606 Earth days
197742 PDJ397.5 days
57675 Earth days
day:12 hrs8 hrs12 hrs7 hrs7 hrs
axial tilt:24°17°
temperature:425 K
152 C
378 K
105 C
160 K
-113 C
1519 K
1246 C
1315 K
1042 C
atmosphere:83% N2
7% O2
10% CO2
0% other
1% He
84% N2
13% O2
2% CO2
0% other
4% H2
2% He
59% N2
35% O2
0% other
100% H2
0% other
90% H2
10% He
0% other
moons:7312715298
rings:00064

planet:PDJ397.6PDJ397.7
distance from star:3043*106 km4564*106 km
radius:74525 km41298 km
mass:3311280*1021 kg563478*1021 kg
surface gravity: 39.7 m/s2
4.05 Earths
22.0 m/s2
2.24 Earths
escape velocity:77.01 km/s42.67 km/s
year: 363277 PDJ397.6 days
105956 Earth days
667385 PDJ397.7 days
194654 Earth days
day:7 hrs7 hrs
axial tilt:
temperature:1440 K
1167 C
1126 K
853 C
atmosphere:85% H2
15% He
0% other
96% H2
4% He
0% other
moons:140157
rings:914

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