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VAK831: yellow dwarf star with 5 planets

  VAK831.1   VAK831.2   VAK831.3  
VAK831.4
 
VAK831.5
 

Solar system 'VAK831' is a dual star system that comprises the stars 'VAK831.A' and 'VAK831.B' and the retinue of celestial objects gravitationally bound to them: 5 planets and their 273 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'VAK831.A' and 'VAK831.B' that dominate it gravitationally. 'VAK831.A' is a yellow dwarf class star that contains about 68% of the system's known mass, 'VAK831.B' is a yellow dwarf class star that contains about 31% of the system's known mass.

System 'VAK831' is located more than 1440 lightyears from the center of the galaxy.

This solar system comprises 5 planets

VAK831.1 is a medium terrestrial planet (5533 km radius) which orbits its star in 217 Earth days, one day on VAK831.1 lasts 13 Earth hours. Its average temperature is 967 K (694 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 3 moons.
VAK831.2 is a small terrestrial planet (4519 km radius) which orbits its star in 573 Earth days, one day on VAK831.2 lasts 17 Earth hours. Its average temperature is 532 K (259 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 5 moons.
VAK831.3 is a very small terrestrial planet (2643 km radius) which orbits its star in 1053 Earth days, one day on VAK831.3 lasts 40 Earth hours. Its average temperature is 355 K (82 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
VAK831.4 is a medium gas giant (31613 km radius) which orbits its star in 28060 Earth days, one day on VAK831.4 lasts 5 Earth hours. Its average temperature is 1501 K (1228 C), its atmosphere mainly consists of hydrogen, helium and it has 138 moons.
VAK831.5 is a medium gas giant (25758 km radius) which orbits its star in 51549 Earth days, one day on VAK831.5 lasts 5 Earth hours. Its average temperature is 1593 K (1320 C), its atmosphere mainly consists of hydrogen and it has 126 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:VAK831.1VAK831.2VAK831.3VAK831.4VAK831.5
distance from star:49*106 km93*106 km140*106 km1254*106 km1882*106 km
radius:5533 km4519 km2643 km31613 km25758 km
mass:1355*1021 kg738*1021 kg147*1021 kg252747*1021 kg136718*1021 kg
surface gravity: 2.95 m/s2
0.30 Earths
2.41 m/s2
0.24 Earths
1.40 m/s2
0.14 Earths
16.8 m/s2
1.71 Earths
13.7 m/s2
1.40 Earths
escape velocity:5.717 km/s4.669 km/s2.724 km/s32.66 km/s26.61 km/s
year: 400 VAK831.1 days
217 Earth days
808 VAK831.2 days
573 Earth days
631 VAK831.3 days
1053 Earth days
134688 VAK831.4 days
28060 Earth days
247435 VAK831.5 days
51549 Earth days
day:13 hrs17 hrs40 hrs5 hrs5 hrs
axial tilt:19°21°228°20°
temperature:967 K
694 C
532 K
259 C
355 K
82 C
1501 K
1228 C
1593 K
1320 C
atmosphere:12% H2
2% He
47% N2
37% O2
2% CO2
0% other
83% N2
17% CO2
0% other
1% H2
3% He
47% N2
47% O2
2% CO2
0% other
80% H2
20% He
0% other
91% H2
9% He
0% other
moons:351138126
rings:00074

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