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WHH158: red dwarf star with 5 planets

 
WHH158.1
  WHH158.2  
WHH158.3
 
WHH158.4
 
WHH158.5
 

Solar system 'WHH158' comprises the star 'WHH158' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 436 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'WHH158', a red dwarf class star that contains about 99.47% of the system's known mass and dominates it gravitationally. WHH158 is located more than 4704 lightyears from the center of the galaxy.

This solar system comprises 5 planets

WHH158.1 is a very large terrestrial planet (10821 km radius) which orbits its star in 144 Earth days, one day on WHH158.1 lasts 7 Earth hours. Its average temperature is 475 K (202 C), its atmosphere mainly consists of nitrogen, oxygen and it has 30 moons.
WHH158.2 is a very small terrestrial planet (2529 km radius) which orbits its star in 265 Earth days, one day on WHH158.2 lasts 44 Earth hours. Its average temperature is 422 K (149 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
WHH158.3 is a medium gas giant (32147 km radius) which orbits its star in 11122 Earth days, one day on WHH158.3 lasts 5 Earth hours. Its average temperature is 1358 K (1085 C), its atmosphere mainly consists of hydrogen and it has 143 moons.
WHH158.4 is a large gas giant (63972 km radius) which orbits its star in 74532 Earth days, one day on WHH158.4 lasts 5 Earth hours. Its average temperature is 1802 K (1529 C), its atmosphere mainly consists of hydrogen, helium and it has 108 moons.
WHH158.5 is a large gas giant (48557 km radius) which orbits its star in 181465 Earth days, one day on WHH158.5 lasts 5 Earth hours. Its average temperature is 1107 K (834 C), its atmosphere mainly consists of hydrogen and it has 155 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:WHH158.1WHH158.2WHH158.3WHH158.4WHH158.5
distance from star:37*106 km56*106 km677*106 km2406*106 km4355*106 km
radius:10821 km2529 km32147 km63972 km48557 km
mass:10136*1021 kg129*1021 kg265773*1021 kg2094400*1021 kg915894*1021 kg
surface gravity: 5.77 m/s2
0.58 Earths
1.34 m/s2
0.13 Earths
17.1 m/s2
1.74 Earths
34.1 m/s2
3.48 Earths
25.9 m/s2
2.64 Earths
escape velocity:11.18 km/s2.609 km/s33.22 km/s66.10 km/s50.17 km/s
year: 493 WHH158.1 days
144 Earth days
144 WHH158.2 days
265 Earth days
53385 WHH158.3 days
11122 Earth days
357753 WHH158.4 days
74532 Earth days
871032 WHH158.5 days
181465 Earth days
day:7 hrs44 hrs5 hrs5 hrs5 hrs
axial tilt:17°88°
temperature:475 K
202 C
422 K
149 C
1358 K
1085 C
1802 K
1529 C
1107 K
834 C
atmosphere:78% N2
19% O2
3% CO2
0% other
73% N2
25% O2
2% CO2
0% other
97% H2
3% He
0% other
88% H2
12% He
0% other
93% H2
7% He
0% other
moons:300143108155
rings:4031223

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