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PKH549: red dwarf star with 12 planets

  PKH549.1   PKH549.2   PKH549.3   PKH549.4   PKH549.5  
PKH549.6
 
PKH549.7
 
PKH549.8
 
PKH549.9
 
PKH549.10
  PKH549.11   PKH549.12  

Solar system 'PKH549' comprises the star 'PKH549' and the retinue of celestial objects gravitationally bound to it: 12 planets and their 797 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'PKH549', a red dwarf class star that contains about 98.61% of the system's known mass and dominates it gravitationally. PKH549 is located more than 3948 lightyears from the center of the galaxy.

This solar system comprises 12 planets

PKH549.1 is a medium terrestrial planet (5686 km radius) which orbits its star in 13 Earth days, one day on PKH549.1 lasts 19 Earth hours. Its average temperature is 1897 K (1624 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 0 moons.
PKH549.2 is a medium terrestrial planet (6800 km radius) which orbits its star in 356 Earth days, one day on PKH549.2 lasts 17 Earth hours. Its average temperature is 193 K (-80 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
PKH549.3 is a large terrestrial planet (8266 km radius) which orbits its star in 1091 Earth days, one day on PKH549.3 lasts 15 Earth hours. Its average temperature is 65 K (-208 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
PKH549.4 is a large terrestrial planet (7292 km radius) which orbits its star in 2004 Earth days, one day on PKH549.4 lasts 16 Earth hours. Its average temperature is 38 K (-235 C), its atmosphere mainly consists of nitrogen, oxygen and it has 18 moons.
PKH549.5 is a very large terrestrial planet (9140 km radius) which orbits its star in 3683 Earth days, one day on PKH549.5 lasts 14 Earth hours. Its average temperature is 21 K (-252 C), its atmosphere mainly consists of nitrogen, oxygen and it has 21 moons.
PKH549.6 is a large gas giant (74885 km radius) which orbits its star in 132399 Earth days, one day on PKH549.6 lasts 12 Earth hours. Its average temperature is 1644 K (1371 C), its atmosphere mainly consists of hydrogen, helium and it has 96 moons.
PKH549.7 is a medium gas giant (33922 km radius) which orbits its star in 243233 Earth days, one day on PKH549.7 lasts 12 Earth hours. Its average temperature is 1577 K (1304 C), its atmosphere mainly consists of hydrogen and it has 126 moons.
PKH549.8 is a medium gas giant (26531 km radius) which orbits its star in 446848 Earth days, one day on PKH549.8 lasts 12 Earth hours. Its average temperature is 1841 K (1568 C), its atmosphere mainly consists of hydrogen, helium and it has 148 moons.
PKH549.9 is a large gas giant (40923 km radius) which orbits its star in 820912 Earth days, one day on PKH549.9 lasts 12 Earth hours. Its average temperature is 1797 K (1524 C), its atmosphere mainly consists of hydrogen, helium and it has 143 moons.
PKH549.10 is a huge terrestrial planet (14229 km radius) which orbits its star in 1508112 Earth days, one day on PKH549.10 lasts 13 Earth hours. Its average temperature is 1428 K (1155 C), its atmosphere mainly consists of hydrogen, helium and it has 98 moons.
PKH549.11 is a large gas giant (57338 km radius) which orbits its star in 2770579 Earth days, one day on PKH549.11 lasts 12 Earth hours. Its average temperature is 1532 K (1259 C), its atmosphere mainly consists of hydrogen and it has 84 moons.
PKH549.12 is a very small terrestrial planet (2600 km radius) which orbits its star in 3642021 Earth days, one day on PKH549.12 lasts 49 Earth hours. Its average temperature is 1603 K (1330 C), its atmosphere mainly consists of and it has 43 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:PKH549.1PKH549.2PKH549.3PKH549.4PKH549.5
distance from star:7*106 km68*106 km144*106 km216*106 km324*106 km
radius:5686 km6800 km8266 km7292 km9140 km
mass:1470*1021 kg2515*1021 kg4518*1021 kg3101*1021 kg6108*1021 kg
surface gravity: 3.03 m/s2
0.30 Earths
3.63 m/s2
0.37 Earths
4.41 m/s2
0.45 Earths
3.89 m/s2
0.39 Earths
4.87 m/s2
0.49 Earths
escape velocity:5.874 km/s7.026 km/s8.541 km/s7.534 km/s9.444 km/s
year: 16 PKH549.1 days
13 Earth days
502 PKH549.2 days
356 Earth days
1745 PKH549.3 days
1091 Earth days
3006 PKH549.4 days
2004 Earth days
6313 PKH549.5 days
3683 Earth days
day:19 hrs17 hrs15 hrs16 hrs14 hrs
axial tilt:10°23°11°
temperature:1897 K
1624 C
193 K
-80 C
65 K
-208 C
38 K
-235 C
21 K
-252 C
atmosphere:63% N2
1% O2
36% CO2
0% other
63% N2
36% O2
1% CO2
0% other
3% He
57% N2
40% O2
0% other
83% N2
17% O2
0% other
82% N2
14% O2
4% CO2
0% other
moons:01731821
rings:00000

planet:PKH549.6PKH549.7PKH549.8PKH549.9PKH549.10
distance from star:3530*106 km5295*106 km7943*106 km11914*106 km17872*106 km
radius:74885 km33922 km26531 km40923 km14229 km
mass:3359498*1021 kg312272*1021 kg149400*1021 kg548267*1021 kg23046*1021 kg
surface gravity: 39.9 m/s2
4.07 Earths
18.1 m/s2
1.85 Earths
14.1 m/s2
1.44 Earths
21.8 m/s2
2.22 Earths
7.59 m/s2
0.77 Earths
escape velocity:77.38 km/s35.05 km/s27.41 km/s42.28 km/s14.70 km/s
year: 264798 PKH549.6 days
132399 Earth days
486466 PKH549.7 days
243233 Earth days
893696 PKH549.8 days
446848 Earth days
1641824 PKH549.9 days
820912 Earth days
2784206 PKH549.10 days
1508112 Earth days
day:12 hrs12 hrs12 hrs12 hrs13 hrs
axial tilt:28°87°
temperature:1644 K
1371 C
1577 K
1304 C
1841 K
1568 C
1797 K
1524 C
1428 K
1155 C
atmosphere:76% H2
24% He
0% other
99% H2
1% He
0% other
76% H2
24% He
0% other
83% H2
17% He
0% other
84% H2
16% He
0% other
moons:9612614814398
rings:7114157

planet:PKH549.11PKH549.12
distance from star:26808*106 km32170*106 km
radius:57338 km2600 km
mass:1508056*1021 kg140*1021 kg
surface gravity: 30.6 m/s2
3.12 Earths
1.38 m/s2
0.14 Earths
escape velocity:59.25 km/s2.680 km/s
year: 5541158 PKH549.11 days
2770579 Earth days
1783847 PKH549.12 days
3642021 Earth days
day:12 hrs49 hrs
axial tilt:316°
temperature:1532 K
1259 C
1603 K
1330 C
atmosphere:90% H2
10% He
0% other
100% other
moons:8443
rings:00

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