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SJK149: yellow dwarf star with 13 planets

  SJK149.1   SJK149.2   SJK149.3  
SJK149.4
 
SJK149.5
 
SJK149.6
 
SJK149.7
 
SJK149.8
  SJK149.9  
SJK149.10
 
SJK149.11
 
SJK149.12
 
SJK149.13
 

Solar system 'SJK149' comprises the star 'SJK149' and the retinue of celestial objects gravitationally bound to it: 13 planets and their 1212 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'SJK149', a yellow dwarf class star that contains about 98.83% of the system's known mass and dominates it gravitationally. SJK149 is located more than 3706 lightyears from the center of the galaxy.

SJK149.1, the first planet in this system, may feature life forms. Its average temperature is 254K (-19C) and it's atmosphere contains 3% of oxygen. One year on SJK149.1 lasts 403 days, one day lasts 15 hours. It's diameter is 20606 km, 1.6 times the diameter of the Earth.

This solar system comprises 13 planets

SJK149.1 is a very large terrestrial planet (10303 km radius) which orbits its star in 403 Earth days, one day on SJK149.1 lasts 15 Earth hours. Its average temperature is 254 K (-19 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 41 moons.
SJK149.2 is a large terrestrial planet (8271 km radius) which orbits its star in 740 Earth days, one day on SJK149.2 lasts 16 Earth hours. Its average temperature is 225 K (-48 C), its atmosphere mainly consists of nitrogen, oxygen and it has 33 moons.
SJK149.3 is a medium terrestrial planet (5519 km radius) which orbits its star in 1360 Earth days, one day on SJK149.3 lasts 21 Earth hours. Its average temperature is 150 K (-123 C), its atmosphere mainly consists of nitrogen and it has 5 moons.
SJK149.4 is a large gas giant (62505 km radius) which orbits its star in 2498 Earth days, one day on SJK149.4 lasts 13 Earth hours. Its average temperature is 1109 K (836 C), its atmosphere mainly consists of hydrogen and it has 108 moons.
SJK149.5 is a large gas giant (47195 km radius) which orbits its star in 48211 Earth days, one day on SJK149.5 lasts 13 Earth hours. Its average temperature is 1820 K (1547 C), its atmosphere mainly consists of hydrogen, helium and it has 90 moons.
SJK149.6 is a large gas giant (41494 km radius) which orbits its star in 127971 Earth days, one day on SJK149.6 lasts 13 Earth hours. Its average temperature is 1081 K (808 C), its atmosphere mainly consists of hydrogen, helium and it has 105 moons.
SJK149.7 is a large gas giant (76984 km radius) which orbits its star in 294002 Earth days, one day on SJK149.7 lasts 13 Earth hours. Its average temperature is 1220 K (947 C), its atmosphere mainly consists of hydrogen, helium and it has 56 moons.
SJK149.8 is a large gas giant (69495 km radius) which orbits its star in 540116 Earth days, one day on SJK149.8 lasts 13 Earth hours. Its average temperature is 1370 K (1097 C), its atmosphere mainly consists of hydrogen and it has 101 moons.
SJK149.9 is a large gas giant (67130 km radius) which orbits its star in 992256 Earth days, one day on SJK149.9 lasts 13 Earth hours. Its average temperature is 1507 K (1234 C), its atmosphere mainly consists of hydrogen, helium and it has 151 moons.
SJK149.10 is a medium gas giant (21823 km radius) which orbits its star in 1822892 Earth days, one day on SJK149.10 lasts 13 Earth hours. Its average temperature is 1045 K (772 C), its atmosphere mainly consists of hydrogen, helium and it has 85 moons.
SJK149.11 is a huge terrestrial planet (13538 km radius) which orbits its star in 3348866 Earth days, one day on SJK149.11 lasts 14 Earth hours. Its average temperature is 1316 K (1043 C), its atmosphere mainly consists of hydrogen, helium and it has 178 moons.
SJK149.12 is a large gas giant (56278 km radius) which orbits its star in 6152260 Earth days, one day on SJK149.12 lasts 13 Earth hours. Its average temperature is 1331 K (1058 C), its atmosphere mainly consists of hydrogen, helium and it has 104 moons.
SJK149.13 is a large gas giant (59802 km radius) which orbits its star in 11302424 Earth days, one day on SJK149.13 lasts 13 Earth hours. Its average temperature is 1332 K (1059 C), its atmosphere mainly consists of hydrogen, helium and it has 155 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:SJK149.1SJK149.2SJK149.3SJK149.4SJK149.5
distance from star:74*106 km111*106 km166*106 km250*106 km1800*106 km
radius:10303 km8271 km5519 km62505 km47195 km
mass:8749*1021 kg4526*1021 kg1344*1021 kg1953593*1021 kg840965*1021 kg
surface gravity: 5.50 m/s2
0.56 Earths
4.41 m/s2
0.45 Earths
2.94 m/s2
0.30 Earths
33.3 m/s2
3.40 Earths
25.1 m/s2
2.56 Earths
escape velocity:10.64 km/s8.546 km/s5.701 km/s64.59 km/s48.77 km/s
year: 644 SJK149.1 days
403 Earth days
1110 SJK149.2 days
740 Earth days
1554 SJK149.3 days
1360 Earth days
4611 SJK149.4 days
2498 Earth days
89004 SJK149.5 days
48211 Earth days
day:15 hrs16 hrs21 hrs13 hrs13 hrs
axial tilt:15°15°18°
temperature:254 K
-19 C
225 K
-48 C
150 K
-123 C
1109 K
836 C
1820 K
1547 C
atmosphere:75% N2
3% O2
22% CO2
0% other
75% N2
25% O2
0% other
83% N2
7% O2
10% CO2
0% other
90% H2
10% He
0% other
83% H2
17% He
0% other
moons:4133510890
rings:000187

planet:SJK149.6SJK149.7SJK149.8SJK149.9SJK149.10
distance from star:3451*106 km6008*106 km9013*106 km13519*106 km20279*106 km
radius:41494 km76984 km69495 km67130 km21823 km
mass:571539*1021 kg3649987*1021 kg2685039*1021 kg2420136*1021 kg83144*1021 kg
surface gravity: 22.1 m/s2
2.25 Earths
41.1 m/s2
4.20 Earths
37.1 m/s2
3.79 Earths
35.8 m/s2
3.66 Earths
11.6 m/s2
1.18 Earths
escape velocity:42.87 km/s79.55 km/s71.81 km/s69.37 km/s22.55 km/s
year: 236254 SJK149.6 days
127971 Earth days
542772 SJK149.7 days
294002 Earth days
997137 SJK149.8 days
540116 Earth days
1831857 SJK149.9 days
992256 Earth days
3365339 SJK149.10 days
1822892 Earth days
day:13 hrs13 hrs13 hrs13 hrs13 hrs
axial tilt:
temperature:1081 K
808 C
1220 K
947 C
1370 K
1097 C
1507 K
1234 C
1045 K
772 C
atmosphere:89% H2
11% He
0% other
85% H2
15% He
0% other
93% H2
7% He
0% other
83% H2
17% He
0% other
77% H2
23% He
0% other
moons:1055610115185
rings:115305

planet:SJK149.11SJK149.12SJK149.13
distance from star:30419*106 km45629*106 km68444*106 km
radius:13538 km56278 km59802 km
mass:19849*1021 kg1425955*1021 kg1710949*1021 kg
surface gravity: 7.22 m/s2
0.73 Earths
30.0 m/s2
3.06 Earths
31.9 m/s2
3.26 Earths
escape velocity:13.98 km/s58.15 km/s61.79 km/s
year: 5740913 SJK149.11 days
3348866 Earth days
11358018 SJK149.12 days
6152260 Earth days
20866013 SJK149.13 days
11302424 Earth days
day:14 hrs13 hrs13 hrs
axial tilt:33°
temperature:1316 K
1043 C
1331 K
1058 C
1332 K
1059 C
atmosphere:81% H2
19% He
0% other
85% H2
15% He
0% other
78% H2
22% He
0% other
moons:178104155
rings:131917

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