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PDJ387: red dwarf star with 12 planets

  PDJ387.1   PDJ387.2   PDJ387.3   PDJ387.4   PDJ387.5   PDJ387.6  
PDJ387.7
 
PDJ387.8
 
PDJ387.9
 
PDJ387.10
  PDJ387.11   PDJ387.12  

Solar system 'PDJ387' comprises the star 'PDJ387' and the retinue of celestial objects gravitationally bound to it: 12 planets and their 609 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'PDJ387', a red dwarf class star that contains about 98.89% of the system's known mass and dominates it gravitationally. PDJ387 is located more than 3101 lightyears from the center of the galaxy.

This solar system comprises 12 planets

PDJ387.1 is a very small terrestrial planet (2421 km radius) which orbits its star in 25 Earth days, one day on PDJ387.1 lasts 54 Earth hours. Its average temperature is 1630 K (1357 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
PDJ387.2 is a large terrestrial planet (7721 km radius) which orbits its star in 371 Earth days, one day on PDJ387.2 lasts 16 Earth hours. Its average temperature is 183 K (-90 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
PDJ387.3 is a small terrestrial planet (4648 km radius) which orbits its star in 682 Earth days, one day on PDJ387.3 lasts 23 Earth hours. Its average temperature is 122 K (-151 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 2 moons.
PDJ387.4 is a very large terrestrial planet (10563 km radius) which orbits its star in 1253 Earth days, one day on PDJ387.4 lasts 14 Earth hours. Its average temperature is 72 K (-201 C), its atmosphere mainly consists of nitrogen and it has 22 moons.
PDJ387.5 is a medium terrestrial planet (6069 km radius) which orbits its star in 2303 Earth days, one day on PDJ387.5 lasts 18 Earth hours. Its average temperature is 40 K (-233 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 31 moons.
PDJ387.6 is a very large terrestrial planet (9377 km radius) which orbits its star in 4231 Earth days, one day on PDJ387.6 lasts 14 Earth hours. Its average temperature is 21 K (-252 C), its atmosphere mainly consists of nitrogen and it has 48 moons.
PDJ387.7 is a large gas giant (76951 km radius) which orbits its star in 41079 Earth days, one day on PDJ387.7 lasts 12 Earth hours. Its average temperature is 1463 K (1190 C), its atmosphere mainly consists of hydrogen, helium and it has 38 moons.
PDJ387.8 is a medium gas giant (27445 km radius) which orbits its star in 78656 Earth days, one day on PDJ387.8 lasts 12 Earth hours. Its average temperature is 1010 K (737 C), its atmosphere mainly consists of hydrogen and it has 125 moons.
PDJ387.9 is a massive terrestrial planet (17336 km radius) which orbits its star in 144501 Earth days, one day on PDJ387.9 lasts 12 Earth hours. Its average temperature is 1817 K (1544 C), its atmosphere mainly consists of hydrogen and it has 38 moons.
PDJ387.10 is a medium terrestrial planet (5636 km radius) which orbits its star in 265466 Earth days, one day on PDJ387.10 lasts 19 Earth hours. Its average temperature is 1441 K (1168 C), its atmosphere mainly consists of hydrogen, helium and it has 80 moons.
PDJ387.11 is a medium gas giant (33794 km radius) which orbits its star in 487692 Earth days, one day on PDJ387.11 lasts 12 Earth hours. Its average temperature is 1198 K (925 C), its atmosphere mainly consists of hydrogen and it has 96 moons.
PDJ387.12 is a medium gas giant (39468 km radius) which orbits its star in 895948 Earth days, one day on PDJ387.12 lasts 12 Earth hours. Its average temperature is 1453 K (1180 C), its atmosphere mainly consists of hydrogen and it has 110 moons.
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Planetary Statistics

planet:PDJ387.1PDJ387.2PDJ387.3PDJ387.4PDJ387.5
distance from star:11*106 km70*106 km105*106 km158*106 km237*106 km
radius:2421 km7721 km4648 km10563 km6069 km
mass:113*1021 kg3682*1021 kg803*1021 kg9428*1021 kg1788*1021 kg
surface gravity: 1.28 m/s2
0.13 Earths
4.12 m/s2
0.42 Earths
2.48 m/s2
0.25 Earths
5.63 m/s2
0.57 Earths
3.23 m/s2
0.33 Earths
escape velocity:2.496 km/s7.978 km/s4.802 km/s10.91 km/s6.271 km/s
year: 11 PDJ387.1 days
25 Earth days
556 PDJ387.2 days
371 Earth days
711 PDJ387.3 days
682 Earth days
2148 PDJ387.4 days
1253 Earth days
3070 PDJ387.5 days
2303 Earth days
day:54 hrs16 hrs23 hrs14 hrs18 hrs
axial tilt:12°179°30°
temperature:1630 K
1357 C
183 K
-90 C
122 K
-151 C
72 K
-201 C
40 K
-233 C
atmosphere:80% N2
18% O2
2% CO2
0% other
2% H2
2% He
60% N2
35% O2
1% CO2
0% other
81% N2
7% O2
12% CO2
0% other
97% N2
1% O2
2% CO2
0% other
72% N2
2% O2
26% CO2
0% other
moons:01922231
rings:00000

planet:PDJ387.6PDJ387.7PDJ387.8PDJ387.9PDJ387.10
distance from star:355*106 km1617*106 km2494*106 km3742*106 km5613*106 km
radius:9377 km76951 km27445 km17336 km5636 km
mass:6596*1021 kg3645295*1021 kg165378*1021 kg41680*1021 kg1432*1021 kg
surface gravity: 5.00 m/s2
0.51 Earths
41.0 m/s2
4.19 Earths
14.6 m/s2
1.49 Earths
9.25 m/s2
0.94 Earths
3.00 m/s2
0.30 Earths
escape velocity:9.690 km/s79.52 km/s28.36 km/s17.91 km/s5.823 km/s
year: 7253 PDJ387.6 days
4231 Earth days
82158 PDJ387.7 days
41079 Earth days
157312 PDJ387.8 days
78656 Earth days
289002 PDJ387.9 days
144501 Earth days
335325 PDJ387.10 days
265466 Earth days
day:14 hrs12 hrs12 hrs12 hrs19 hrs
axial tilt:16°32°13°
temperature:21 K
-252 C
1463 K
1190 C
1010 K
737 C
1817 K
1544 C
1441 K
1168 C
atmosphere:90% N2
10% O2
0% other
80% H2
20% He
0% other
95% H2
5% He
0% other
97% H2
3% He
0% other
81% H2
19% He
0% other
moons:48381253880
rings:016362

planet:PDJ387.11PDJ387.12
distance from star:8420*106 km12630*106 km
radius:33794 km39468 km
mass:308751*1021 kg491841*1021 kg
surface gravity: 18.0 m/s2
1.84 Earths
21.0 m/s2
2.14 Earths
escape velocity:34.92 km/s40.78 km/s
year: 975384 PDJ387.11 days
487692 Earth days
1791896 PDJ387.12 days
895948 Earth days
day:12 hrs12 hrs
axial tilt:
temperature:1198 K
925 C
1453 K
1180 C
atmosphere:91% H2
9% He
0% other
99% H2
1% He
0% other
moons:96110
rings:00

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