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VCD398: red dwarf star with 4 planets

  VCD398.1   VCD398.2   VCD398.3   VCD398.4  

Solar system 'VCD398' comprises the star 'VCD398' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 3 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'VCD398', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. VCD398 is located more than 1440 lightyears from the center of the galaxy.

This solar system comprises 4 planets

VCD398.1 is a large terrestrial planet (8182 km radius) which orbits its star in 7 Earth days, one day on VCD398.1 lasts 7 Earth hours. Its average temperature is 1350 K (1077 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
VCD398.2 is a small terrestrial planet (3598 km radius) which orbits its star in 50 Earth days, one day on VCD398.2 lasts 23 Earth hours. Its average temperature is 1724 K (1451 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 0 moons.
VCD398.3 is a medium terrestrial planet (5549 km radius) which orbits its star in 343 Earth days, one day on VCD398.3 lasts 12 Earth hours. Its average temperature is 203 K (-70 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
VCD398.4 is a very small terrestrial planet (2295 km radius) which orbits its star in 630 Earth days, one day on VCD398.4 lasts 51 Earth hours. Its average temperature is 120 K (-153 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 0 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:VCD398.1VCD398.2VCD398.3VCD398.4
distance from star:5*106 km18*106 km66*106 km99*106 km
radius:8182 km3598 km5549 km2295 km
mass:4381*1021 kg372*1021 kg1366*1021 kg96*1021 kg
surface gravity: 4.36 m/s2
0.44 Earths
1.91 m/s2
0.19 Earths
2.96 m/s2
0.30 Earths
1.21 m/s2
0.12 Earths
escape velocity:8.454 km/s3.714 km/s5.732 km/s2.362 km/s
year: 24 VCD398.1 days
7 Earth days
52 VCD398.2 days
50 Earth days
686 VCD398.3 days
343 Earth days
296 VCD398.4 days
630 Earth days
day:7 hrs23 hrs12 hrs51 hrs
axial tilt:25°71°20°
temperature:1350 K
1077 C
1724 K
1451 C
203 K
-70 C
120 K
-153 C
atmosphere:2% H2
1% He
69% N2
26% O2
2% CO2
0% other
26% H2
3% He
22% N2
48% O2
1% CO2
0% other
1% He
64% N2
34% O2
1% CO2
0% other
13% H2
4% He
34% N2
48% O2
1% CO2
0% other
moons:0030
rings:0000

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