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WJJ825: red giant star with 7 planets

  WJJ825.1   WJJ825.2   WJJ825.3  
WJJ825.4
 
WJJ825.5
 
WJJ825.6
 
WJJ825.7
 

Solar system 'WJJ825' comprises the star 'WJJ825' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 496 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'WJJ825', a red giant class star that contains about 99.86% of the system's known mass and dominates it gravitationally. WJJ825 is located more than 4589 lightyears from the center of the galaxy.

This solar system comprises 7 planets

WJJ825.1 is a small terrestrial planet (4251 km radius) which orbits its star in 5 Earth days, one day on WJJ825.1 lasts 20 Earth hours. Its average temperature is 1001 K (728 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
WJJ825.2 is a medium terrestrial planet (6232 km radius) which orbits its star in 211 Earth days, one day on WJJ825.2 lasts 13 Earth hours. Its average temperature is 1015 K (742 C), its atmosphere mainly consists of nitrogen and it has 2 moons.
WJJ825.3 is a very large terrestrial planet (10062 km radius) which orbits its star in 894 Earth days, one day on WJJ825.3 lasts 9 Earth hours. Its average temperature is 890 K (617 C), its atmosphere mainly consists of nitrogen, oxygen and it has 28 moons.
WJJ825.4 is a large gas giant (61698 km radius) which orbits its star in 9771 Earth days, one day on WJJ825.4 lasts 7 Earth hours. Its average temperature is 1493 K (1220 C), its atmosphere mainly consists of hydrogen, helium and it has 121 moons.
WJJ825.5 is a large gas giant (72959 km radius) which orbits its star in 18445 Earth days, one day on WJJ825.5 lasts 7 Earth hours. Its average temperature is 1129 K (856 C), its atmosphere mainly consists of hydrogen, helium and it has 47 moons.
WJJ825.6 is a medium gas giant (30582 km radius) which orbits its star in 36492 Earth days, one day on WJJ825.6 lasts 7 Earth hours. Its average temperature is 1557 K (1284 C), its atmosphere mainly consists of hydrogen, helium and it has 139 moons.
WJJ825.7 is a large gas giant (43412 km radius) which orbits its star in 125424 Earth days, one day on WJJ825.7 lasts 7 Earth hours. Its average temperature is 1027 K (754 C), its atmosphere mainly consists of hydrogen, helium and it has 159 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:WJJ825.1WJJ825.2WJJ825.3WJJ825.4WJJ825.5
distance from star:4*106 km48*106 km126*106 km621*106 km948*106 km
radius:4251 km6232 km10062 km61698 km72959 km
mass:614*1021 kg1936*1021 kg8149*1021 kg1878898*1021 kg3106895*1021 kg
surface gravity: 2.26 m/s2
0.23 Earths
3.32 m/s2
0.33 Earths
5.37 m/s2
0.54 Earths
32.9 m/s2
3.36 Earths
38.9 m/s2
3.97 Earths
escape velocity:4.390 km/s6.439 km/s10.39 km/s63.75 km/s75.39 km/s
year: 6 WJJ825.1 days
5 Earth days
389 WJJ825.2 days
211 Earth days
2384 WJJ825.3 days
894 Earth days
33500 WJJ825.4 days
9771 Earth days
63240 WJJ825.5 days
18445 Earth days
day:20 hrs13 hrs9 hrs7 hrs7 hrs
axial tilt:14°12°
temperature:1001 K
728 C
1015 K
742 C
890 K
617 C
1493 K
1220 C
1129 K
856 C
atmosphere:1% H2
1% He
77% N2
17% O2
4% CO2
0% other
85% N2
10% O2
5% CO2
0% other
4% H2
2% He
52% N2
40% O2
2% CO2
0% other
83% H2
17% He
0% other
84% H2
16% He
0% other
moons:022812147
rings:00064

planet:WJJ825.6WJJ825.7
distance from star:1495*106 km3405*106 km
radius:30582 km43412 km
mass:228816*1021 kg654514*1021 kg
surface gravity: 16.3 m/s2
1.66 Earths
23.1 m/s2
2.36 Earths
escape velocity:31.60 km/s44.86 km/s
year: 125115 WJJ825.6 days
36492 Earth days
430025 WJJ825.7 days
125424 Earth days
day:7 hrs7 hrs
axial tilt:
temperature:1557 K
1284 C
1027 K
754 C
atmosphere:86% H2
14% He
0% other
88% H2
12% He
0% other
moons:139159
rings:155

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