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WHD663: red dwarf star with 13 planets

  WHD663.1   WHD663.2   WHD663.3   WHD663.4   WHD663.5   WHD663.6   WHD663.7  
WHD663.8
  WHD663.9  
WHD663.10
 
WHD663.11
 
WHD663.12
  WHD663.13  

Solar system 'WHD663' comprises the star 'WHD663' and the retinue of celestial objects gravitationally bound to it: 13 planets and their 566 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'WHD663', a red dwarf class star that contains about 98.01% of the system's known mass and dominates it gravitationally. WHD663 is located more than 5391 lightyears from the center of the galaxy.

WHD663.2, the second planet in this system, may feature life forms. Its average temperature is 260K (-13C) and it's atmosphere contains 18% of oxygen. One year on WHD663.2 lasts 216 days, one day lasts 14 hours. It's diameter is 23748 km, 1.8 times the diameter of the Earth.

This solar system comprises 13 planets

WHD663.1 is a very small terrestrial planet (2784 km radius) which orbits its star in 43 Earth days, one day on WHD663.1 lasts 45 Earth hours. Its average temperature is 1109 K (836 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 0 moons.
WHD663.2 is a very large terrestrial planet (11874 km radius) which orbits its star in 216 Earth days, one day on WHD663.2 lasts 14 Earth hours. Its average temperature is 260 K (-13 C), its atmosphere mainly consists of nitrogen, oxygen and it has 22 moons.
WHD663.3 is a large terrestrial planet (7979 km radius) which orbits its star in 397 Earth days, one day on WHD663.3 lasts 16 Earth hours. Its average temperature is 173 K (-100 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
WHD663.4 is a large terrestrial planet (8137 km radius) which orbits its star in 729 Earth days, one day on WHD663.4 lasts 16 Earth hours. Its average temperature is 102 K (-171 C), its atmosphere mainly consists of nitrogen, oxygen and it has 11 moons.
WHD663.5 is a medium terrestrial planet (5137 km radius) which orbits its star in 1341 Earth days, one day on WHD663.5 lasts 22 Earth hours. Its average temperature is 57 K (-216 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
WHD663.6 is a small terrestrial planet (3219 km radius) which orbits its star in 2463 Earth days, one day on WHD663.6 lasts 37 Earth hours. Its average temperature is 30 K (-243 C), its atmosphere mainly consists of nitrogen and it has 5 moons.
WHD663.7 is a medium terrestrial planet (5574 km radius) which orbits its star in 4526 Earth days, one day on WHD663.7 lasts 21 Earth hours. Its average temperature is 15 K (-258 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 0 moons.
WHD663.8 is a large gas giant (43104 km radius) which orbits its star in 69736 Earth days, one day on WHD663.8 lasts 13 Earth hours. Its average temperature is 1187 K (914 C), its atmosphere mainly consists of hydrogen and it has 79 moons.
WHD663.9 is a medium gas giant (32309 km radius) which orbits its star in 128113 Earth days, one day on WHD663.9 lasts 13 Earth hours. Its average temperature is 1689 K (1416 C), its atmosphere mainly consists of hydrogen, helium and it has 121 moons.
WHD663.10 is a large gas giant (57860 km radius) which orbits its star in 235360 Earth days, one day on WHD663.10 lasts 13 Earth hours. Its average temperature is 1037 K (764 C), its atmosphere mainly consists of hydrogen, helium and it has 178 moons.
WHD663.11 is a large gas giant (41259 km radius) which orbits its star in 432384 Earth days, one day on WHD663.11 lasts 13 Earth hours. Its average temperature is 1751 K (1478 C), its atmosphere mainly consists of hydrogen, helium and it has 36 moons.
WHD663.12 is a large gas giant (70585 km radius) which orbits its star in 794341 Earth days, one day on WHD663.12 lasts 13 Earth hours. Its average temperature is 1620 K (1347 C), its atmosphere mainly consists of hydrogen and it has 62 moons.
WHD663.13 is a medium terrestrial planet (5908 km radius) which orbits its star in 1044188 Earth days, one day on WHD663.13 lasts 20 Earth hours. Its average temperature is 1714 K (1441 C), its atmosphere mainly consists of and it has 47 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:WHD663.1WHD663.2WHD663.3WHD663.4WHD663.5
distance from star:16*106 km48*106 km73*106 km110*106 km165*106 km
radius:2784 km11874 km7979 km8137 km5137 km
mass:172*1021 kg13393*1021 kg4063*1021 kg4310*1021 kg1084*1021 kg
surface gravity: 1.48 m/s2
0.15 Earths
6.33 m/s2
0.64 Earths
4.25 m/s2
0.43 Earths
4.34 m/s2
0.44 Earths
2.74 m/s2
0.28 Earths
escape velocity:2.871 km/s12.27 km/s8.244 km/s8.408 km/s5.307 km/s
year: 22 WHD663.1 days
43 Earth days
370 WHD663.2 days
216 Earth days
595 WHD663.3 days
397 Earth days
1093 WHD663.4 days
729 Earth days
1462 WHD663.5 days
1341 Earth days
day:45 hrs14 hrs16 hrs16 hrs22 hrs
axial tilt:17°20°22°
temperature:1109 K
836 C
260 K
-13 C
173 K
-100 C
102 K
-171 C
57 K
-216 C
atmosphere:65% N2
1% O2
34% CO2
0% other
1% He
81% N2
18% O2
0% other
1% H2
1% He
67% N2
30% O2
1% CO2
0% other
1% H2
1% He
78% N2
18% O2
2% CO2
0% other
6% H2
3% He
46% N2
45% O2
0% other
moons:0220115
rings:00000

planet:WHD663.6WHD663.7WHD663.8WHD663.9WHD663.10
distance from star:247*106 km371*106 km2302*106 km3453*106 km5180*106 km
radius:3219 km5574 km43104 km32309 km57860 km
mass:266*1021 kg1385*1021 kg640682*1021 kg269811*1021 kg1549620*1021 kg
surface gravity: 1.71 m/s2
0.17 Earths
2.97 m/s2
0.30 Earths
23.0 m/s2
2.35 Earths
17.2 m/s2
1.75 Earths
30.8 m/s2
3.14 Earths
escape velocity:3.321 km/s5.759 km/s44.54 km/s33.38 km/s59.79 km/s
year: 1597 WHD663.6 days
2463 Earth days
5172 WHD663.7 days
4526 Earth days
128743 WHD663.8 days
69736 Earth days
236516 WHD663.9 days
128113 Earth days
434510 WHD663.10 days
235360 Earth days
day:37 hrs21 hrs13 hrs13 hrs13 hrs
axial tilt:21°
temperature:30 K
-243 C
15 K
-258 C
1187 K
914 C
1689 K
1416 C
1037 K
764 C
atmosphere:92% N2
8% O2
0% other
16% H2
3% He
33% N2
48% O2
0% other
92% H2
8% He
0% other
76% H2
24% He
0% other
88% H2
12% He
0% other
moons:5079121178
rings:0024018

planet:WHD663.11WHD663.12WHD663.13
distance from star:7770*106 km11656*106 km13987*106 km
radius:41259 km70585 km5908 km
mass:561883*1021 kg2813372*1021 kg1649*1021 kg
surface gravity: 22.0 m/s2
2.24 Earths
37.6 m/s2
3.84 Earths
3.15 m/s2
0.32 Earths
escape velocity:42.63 km/s72.94 km/s6.103 km/s
year: 798247 WHD663.11 days
432384 Earth days
1466475 WHD663.12 days
794341 Earth days
1253025 WHD663.13 days
1044188 Earth days
day:13 hrs13 hrs20 hrs
axial tilt:
temperature:1751 K
1478 C
1620 K
1347 C
1714 K
1441 C
atmosphere:82% H2
18% He
0% other
94% H2
6% He
0% other
100% other
moons:366247
rings:6160

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