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VAD220: red dwarf star with 4 planets

  VAD220.1   VAD220.2   VAD220.3  
VAD220.4
 

Solar system 'VAD220' comprises the star 'VAD220' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 344 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'VAD220', a red dwarf class star that contains about 99.57% of the system's known mass and dominates it gravitationally. VAD220 is located more than 2627 lightyears from the center of the galaxy.

This solar system comprises 4 planets

VAD220.1 is a medium terrestrial planet (5214 km radius) which orbits its star in 85 Earth days, one day on VAD220.1 lasts 13 Earth hours. Its average temperature is 1440 K (1167 C), its atmosphere mainly consists of nitrogen and it has 1 moons.
VAD220.2 is a very large terrestrial planet (10320 km radius) which orbits its star in 619 Earth days, one day on VAD220.2 lasts 6 Earth hours. Its average temperature is 204 K (-69 C), its atmosphere mainly consists of nitrogen and it has 33 moons.
VAD220.3 is a large gas giant (78663 km radius) which orbits its star in 14887 Earth days, one day on VAD220.3 lasts 4 Earth hours. Its average temperature is 1026 K (753 C), its atmosphere mainly consists of hydrogen and it has 137 moons.
VAD220.4 is a medium gas giant (21440 km radius) which orbits its star in 27349 Earth days, one day on VAD220.4 lasts 4 Earth hours. Its average temperature is 1767 K (1494 C), its atmosphere mainly consists of hydrogen, helium and it has 173 moons.
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Planetary Orbits

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Planetary Statistics

planet:VAD220.1VAD220.2VAD220.3VAD220.4
distance from star:26*106 km98*106 km822*106 km1233*106 km
radius:5214 km10320 km78663 km21440 km
mass:1133*1021 kg8792*1021 kg3894049*1021 kg78843*1021 kg
surface gravity: 2.78 m/s2
0.28 Earths
5.50 m/s2
0.56 Earths
42.0 m/s2
4.29 Earths
11.4 m/s2
1.16 Earths
escape velocity:5.385 km/s10.66 km/s81.28 km/s22.15 km/s
year: 156 VAD220.1 days
85 Earth days
2476 VAD220.2 days
619 Earth days
89322 VAD220.3 days
14887 Earth days
164094 VAD220.4 days
27349 Earth days
day:13 hrs6 hrs4 hrs4 hrs
axial tilt:10°29°
temperature:1440 K
1167 C
204 K
-69 C
1026 K
753 C
1767 K
1494 C
atmosphere:92% N2
4% O2
4% CO2
0% other
83% N2
10% O2
7% CO2
0% other
100% H2
0% other
87% H2
13% He
0% other
moons:133137173
rings:00024

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