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VAH389: red dwarf star with 8 planets

  VAH389.1   VAH389.2  
VAH389.3
  VAH389.4   VAH389.5  
VAH389.6
  VAH389.7  
VAH389.8
 

Solar system 'VAH389' comprises the star 'VAH389' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 393 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'VAH389', a red dwarf class star that contains about 99.88% of the system's known mass and dominates it gravitationally. VAH389 is located more than 1440 lightyears from the center of the galaxy.

VAH389.4, the fourth planet in this system, may feature life forms. Its average temperature is 286K (13C) and it's atmosphere contains 1% of oxygen. One year on VAH389.4 lasts 835 days, one day lasts 12 hours. It's diameter is 15534 km, 1.2 times the diameter of the Earth.

This solar system comprises 8 planets

VAH389.1 is a very large terrestrial planet (11754 km radius) which orbits its star in 134 Earth days, one day on VAH389.1 lasts 9 Earth hours. Its average temperature is 817 K (544 C), its atmosphere mainly consists of nitrogen, oxygen and it has 14 moons.
VAH389.2 is a large terrestrial planet (7849 km radius) which orbits its star in 247 Earth days, one day on VAH389.2 lasts 12 Earth hours. Its average temperature is 726 K (453 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
VAH389.3 is a very large terrestrial planet (10458 km radius) which orbits its star in 454 Earth days, one day on VAH389.3 lasts 10 Earth hours. Its average temperature is 484 K (211 C), its atmosphere mainly consists of nitrogen, oxygen and it has 11 moons.
VAH389.4 is a large terrestrial planet (7767 km radius) which orbits its star in 835 Earth days, one day on VAH389.4 lasts 12 Earth hours. Its average temperature is 286 K (13 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 15 moons.
VAH389.5 is a very large terrestrial planet (10461 km radius) which orbits its star in 1535 Earth days, one day on VAH389.5 lasts 10 Earth hours. Its average temperature is 159 K (-114 C), its atmosphere mainly consists of nitrogen, oxygen and it has 27 moons.
VAH389.6 is a medium gas giant (35141 km radius) which orbits its star in 10672 Earth days, one day on VAH389.6 lasts 8 Earth hours. Its average temperature is 1193 K (920 C), its atmosphere mainly consists of hydrogen, helium and it has 85 moons.
VAH389.7 is a large gas giant (44819 km radius) which orbits its star in 29496 Earth days, one day on VAH389.7 lasts 8 Earth hours. Its average temperature is 1227 K (954 C), its atmosphere mainly consists of hydrogen and it has 112 moons.
VAH389.8 is a small gas giant (18990 km radius) which orbits its star in 54188 Earth days, one day on VAH389.8 lasts 8 Earth hours. Its average temperature is 1552 K (1279 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:VAH389.1VAH389.2VAH389.3VAH389.4VAH389.5
distance from star:35*106 km53*106 km80*106 km120*106 km180*106 km
radius:11754 km7849 km10458 km7767 km10461 km
mass:12991*1021 kg3868*1021 kg9150*1021 kg3748*1021 kg9158*1021 kg
surface gravity: 6.27 m/s2
0.64 Earths
4.19 m/s2
0.42 Earths
5.58 m/s2
0.57 Earths
4.14 m/s2
0.42 Earths
5.58 m/s2
0.57 Earths
escape velocity:12.14 km/s8.110 km/s10.80 km/s8.025 km/s10.81 km/s
year: 357 VAH389.1 days
134 Earth days
494 VAH389.2 days
247 Earth days
1089 VAH389.3 days
454 Earth days
1670 VAH389.4 days
835 Earth days
3684 VAH389.5 days
1535 Earth days
day:9 hrs12 hrs10 hrs12 hrs10 hrs
axial tilt:24°28°29°
temperature:817 K
544 C
726 K
453 C
484 K
211 C
286 K
13 C
159 K
-114 C
atmosphere:8% H2
1% He
44% N2
47% O2
0% other
80% N2
17% O2
3% CO2
0% other
82% N2
11% O2
7% CO2
0% other
54% N2
1% O2
45% CO2
0% other
81% N2
19% O2
0% other
moons:143111527
rings:00300

planet:VAH389.6VAH389.7VAH389.8
distance from star:658*106 km1297*106 km1946*106 km
radius:35141 km44819 km18990 km
mass:347162*1021 kg720238*1021 kg54785*1021 kg
surface gravity: 18.7 m/s2
1.91 Earths
23.9 m/s2
2.44 Earths
10.1 m/s2
1.03 Earths
escape velocity:36.31 km/s46.31 km/s19.62 km/s
year: 32016 VAH389.6 days
10672 Earth days
88488 VAH389.7 days
29496 Earth days
162564 VAH389.8 days
54188 Earth days
day:8 hrs8 hrs8 hrs
axial tilt:58°
temperature:1193 K
920 C
1227 K
954 C
1552 K
1279 C
atmosphere:78% H2
22% He
0% other
98% H2
2% He
0% other
99% H2
1% He
0% other
moons:85112126
rings:10011

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