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VHA438: red giant star with 4 planets

 
VHA438.1
 
VHA438.2
 
VHA438.3
  VHA438.4  

Solar system 'VHA438' is a dual star system that comprises the stars 'VHA438.A' and 'VHA438.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 472 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'VHA438.A' and 'VHA438.B' that dominate it gravitationally. 'VHA438.A' is a red giant class star that contains about 70% of the system's known mass, 'VHA438.B' is a red giant class star that contains about 29% of the system's known mass.

System 'VHA438' is located more than 3656 lightyears from the center of the galaxy.

This solar system comprises 4 planets

VHA438.1 is a medium gas giant (28715 km radius) which orbits its star in 349 Earth days, one day on VHA438.1 lasts 4 Earth hours. Its average temperature is 1291 K (1018 C), its atmosphere mainly consists of hydrogen and it has 101 moons.
VHA438.2 is a large gas giant (76204 km radius) which orbits its star in 37116 Earth days, one day on VHA438.2 lasts 4 Earth hours. Its average temperature is 1222 K (949 C), its atmosphere mainly consists of hydrogen, helium and it has 171 moons.
VHA438.3 is a medium gas giant (39094 km radius) which orbits its star in 68187 Earth days, one day on VHA438.3 lasts 4 Earth hours. Its average temperature is 1058 K (785 C), its atmosphere mainly consists of hydrogen and it has 163 moons.
VHA438.4 is a medium terrestrial planet (6229 km radius) which orbits its star in 89635 Earth days, one day on VHA438.4 lasts 10 Earth hours. Its average temperature is 1777 K (1504 C), its atmosphere mainly consists of and it has 37 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:VHA438.1VHA438.2VHA438.3VHA438.4
distance from star:67*106 km1512*106 km2268*106 km2721*106 km
radius:28715 km76204 km39094 km6229 km
mass:189415*1021 kg3540163*1021 kg477991*1021 kg1933*1021 kg
surface gravity: 15.3 m/s2
1.56 Earths
40.6 m/s2
4.15 Earths
20.8 m/s2
2.12 Earths
3.32 m/s2
0.33 Earths
escape velocity:29.67 km/s78.74 km/s40.39 km/s6.436 km/s
year: 2094 VHA438.1 days
349 Earth days
222696 VHA438.2 days
37116 Earth days
409122 VHA438.3 days
68187 Earth days
215124 VHA438.4 days
89635 Earth days
day:4 hrs4 hrs4 hrs10 hrs
axial tilt:60°11°
temperature:1291 K
1018 C
1222 K
949 C
1058 K
785 C
1777 K
1504 C
atmosphere:99% H2
1% He
0% other
87% H2
13% He
0% other
94% H2
6% He
0% other
100% other
moons:10117116337
rings:22230

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