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WHC863: yellow dwarf star with 9 planets

  WHC863.1   WHC863.2   WHC863.3   WHC863.4   WHC863.5   WHC863.6  
WHC863.7
  WHC863.8   WHC863.9  

Solar system 'WHC863' comprises the star 'WHC863' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 235 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'WHC863', a yellow dwarf class star that contains about 99.95% of the system's known mass and dominates it gravitationally. WHC863 is located more than 2504 lightyears from the center of the galaxy.

This solar system comprises 9 planets

WHC863.1 is a very large terrestrial planet (11035 km radius) which orbits its star in 358 Earth days, one day on WHC863.1 lasts 11 Earth hours. Its average temperature is 237 K (-36 C), its atmosphere mainly consists of nitrogen, oxygen and it has 6 moons.
WHC863.2 is a very small terrestrial planet (2405 km radius) which orbits its star in 658 Earth days, one day on WHC863.2 lasts 52 Earth hours. Its average temperature is 211 K (-62 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
WHC863.3 is a very large terrestrial planet (9190 km radius) which orbits its star in 1210 Earth days, one day on WHC863.3 lasts 11 Earth hours. Its average temperature is 140 K (-133 C), its atmosphere mainly consists of nitrogen, oxygen and it has 18 moons.
WHC863.4 is a very large terrestrial planet (10602 km radius) which orbits its star in 2222 Earth days, one day on WHC863.4 lasts 11 Earth hours. Its average temperature is 83 K (-190 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
WHC863.5 is a very small terrestrial planet (2114 km radius) which orbits its star in 4083 Earth days, one day on WHC863.5 lasts 65 Earth hours. Its average temperature is 46 K (-227 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 0 moons.
WHC863.6 is a medium gas giant (33351 km radius) which orbits its star in 7502 Earth days, one day on WHC863.6 lasts 9 Earth hours. Its average temperature is 1536 K (1263 C), its atmosphere mainly consists of hydrogen, helium and it has 91 moons.
WHC863.7 is a medium gas giant (25480 km radius) which orbits its star in 13783 Earth days, one day on WHC863.7 lasts 9 Earth hours. Its average temperature is 1242 K (969 C), its atmosphere mainly consists of hydrogen, helium and it has 88 moons.
WHC863.8 is a small terrestrial planet (4696 km radius) which orbits its star in 18118 Earth days, one day on WHC863.8 lasts 20 Earth hours. Its average temperature is 1923 K (1650 C), its atmosphere mainly consists of and it has 9 moons.
WHC863.9 is a small terrestrial planetoid (1914 km radius) which orbits its star in 23817 Earth days, one day on WHC863.9 lasts 77 Earth hours. Its average temperature is 1037 K (764 C), its atmosphere mainly consists of and it has 4 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:WHC863.1WHC863.2WHC863.3WHC863.4WHC863.5
distance from star:68*106 km102*106 km154*106 km231*106 km347*106 km
radius:11035 km2405 km9190 km10602 km2114 km
mass:10749*1021 kg111*1021 kg6209*1021 kg9533*1021 kg75*1021 kg
surface gravity: 5.89 m/s2
0.60 Earths
1.28 m/s2
0.13 Earths
4.90 m/s2
0.50 Earths
5.66 m/s2
0.57 Earths
1.12 m/s2
0.11 Earths
escape velocity:11.40 km/s2.482 km/s9.496 km/s10.95 km/s2.176 km/s
year: 781 WHC863.1 days
358 Earth days
303 WHC863.2 days
658 Earth days
2640 WHC863.3 days
1210 Earth days
4848 WHC863.4 days
2222 Earth days
1507 WHC863.5 days
4083 Earth days
day:11 hrs52 hrs11 hrs11 hrs65 hrs
axial tilt:68°13°203°
temperature:237 K
-36 C
211 K
-62 C
140 K
-133 C
83 K
-190 C
46 K
-227 C
atmosphere:85% N2
15% O2
0% other
5% H2
1% He
52% N2
42% O2
0% other
8% H2
1% He
43% N2
47% O2
1% CO2
0% other
2% H2
2% He
59% N2
35% O2
2% CO2
0% other
37% N2
63% CO2
0% other
moons:6018190
rings:00000

planet:WHC863.6WHC863.7WHC863.8WHC863.9
distance from star:520*106 km781*106 km937*106 km1124*106 km
radius:33351 km25480 km4696 km1914 km
mass:296767*1021 kg132339*1021 kg828*1021 kg56*1021 kg
surface gravity: 17.8 m/s2
1.82 Earths
13.6 m/s2
1.39 Earths
2.50 m/s2
0.25 Earths
1.02 m/s2
0.10 Earths
escape velocity:34.46 km/s26.33 km/s4.851 km/s1.976 km/s
year: 20005 WHC863.6 days
7502 Earth days
36754 WHC863.7 days
13783 Earth days
21741 WHC863.8 days
18118 Earth days
7423 WHC863.9 days
23817 Earth days
day:9 hrs9 hrs20 hrs77 hrs
axial tilt:202°14°
temperature:1536 K
1263 C
1242 K
969 C
1923 K
1650 C
1037 K
764 C
atmosphere:87% H2
13% He
0% other
77% H2
23% He
0% other
100% other100% other
moons:918894
rings:01200

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