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VAK876: red dwarf star with 4 planets

  VAK876.1   VAK876.2  
VAK876.3
  VAK876.4  

Solar system 'VAK876' comprises the star 'VAK876' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 282 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'VAK876', a red dwarf class star that contains about 99.11% of the system's known mass and dominates it gravitationally. VAK876 is located more than 1440 lightyears from the center of the galaxy.

This solar system comprises 4 planets

VAK876.1 is a medium terrestrial planet (6858 km radius) which orbits its star in 349 Earth days, one day on VAK876.1 lasts 9 Earth hours. Its average temperature is 118 K (-155 C), its atmosphere mainly consists of nitrogen, oxygen and it has 6 moons.
VAK876.2 is a very large terrestrial planet (9109 km radius) which orbits its star in 641 Earth days, one day on VAK876.2 lasts 7 Earth hours. Its average temperature is 105 K (-168 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
VAK876.3 is a large gas giant (61249 km radius) which orbits its star in 11382 Earth days, one day on VAK876.3 lasts 4 Earth hours. Its average temperature is 1027 K (754 C), its atmosphere mainly consists of hydrogen, helium and it has 140 moons.
VAK876.4 is a large gas giant (68779 km radius) which orbits its star in 130126 Earth days, one day on VAK876.4 lasts 4 Earth hours. Its average temperature is 1077 K (804 C), its atmosphere mainly consists of hydrogen, helium and it has 119 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:VAK876.1VAK876.2VAK876.3VAK876.4
distance from star:67*106 km101*106 km687*106 km3489*106 km
radius:6858 km9109 km61249 km68779 km
mass:2580*1021 kg6046*1021 kg1838175*1021 kg2602900*1021 kg
surface gravity: 3.66 m/s2
0.37 Earths
4.86 m/s2
0.49 Earths
32.7 m/s2
3.34 Earths
36.7 m/s2
3.75 Earths
escape velocity:7.086 km/s9.412 km/s63.29 km/s71.07 km/s
year: 930 VAK876.1 days
349 Earth days
2197 VAK876.2 days
641 Earth days
68292 VAK876.3 days
11382 Earth days
780756 VAK876.4 days
130126 Earth days
day:9 hrs7 hrs4 hrs4 hrs
axial tilt:18°
temperature:118 K
-155 C
105 K
-168 C
1027 K
754 C
1077 K
804 C
atmosphere:1% He
65% N2
33% O2
1% CO2
0% other
84% N2
11% O2
5% CO2
0% other
79% H2
21% He
0% other
84% H2
16% He
0% other
moons:617140119
rings:0050

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