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VHC427: red dwarf star with 7 planets

 
VHC427.1
  VHC427.2   VHC427.3   VHC427.4   VHC427.5  
VHC427.6
  VHC427.7  

Solar system 'VHC427' comprises the star 'VHC427' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 359 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'VHC427', a red dwarf class star that contains about 99.94% of the system's known mass and dominates it gravitationally. VHC427 is located more than 4956 lightyears from the center of the galaxy.

This solar system comprises 7 planets

VHC427.1 is a small terrestrial planet (3969 km radius) which orbits its star in 144 Earth days, one day on VHC427.1 lasts 22 Earth hours. Its average temperature is 681 K (408 C), its atmosphere mainly consists of nitrogen and it has 1 moons.
VHC427.2 is a very small terrestrial planet (2169 km radius) which orbits its star in 265 Earth days, one day on VHC427.2 lasts 60 Earth hours. Its average temperature is 606 K (333 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
VHC427.3 is a very large terrestrial planet (9251 km radius) which orbits its star in 488 Earth days, one day on VHC427.3 lasts 9 Earth hours. Its average temperature is 404 K (131 C), its atmosphere mainly consists of nitrogen, oxygen and it has 18 moons.
VHC427.4 is a very large terrestrial planet (10048 km radius) which orbits its star in 897 Earth days, one day on VHC427.4 lasts 9 Earth hours. Its average temperature is 239 K (-34 C), its atmosphere mainly consists of nitrogen, oxygen and it has 32 moons.
VHC427.5 is a medium gas giant (32350 km radius) which orbits its star in 21548 Earth days, one day on VHC427.5 lasts 7 Earth hours. Its average temperature is 1461 K (1188 C), its atmosphere mainly consists of hydrogen and it has 115 moons.
VHC427.6 is a medium gas giant (28900 km radius) which orbits its star in 39587 Earth days, one day on VHC427.6 lasts 7 Earth hours. Its average temperature is 1503 K (1230 C), its atmosphere mainly consists of hydrogen, helium and it has 131 moons.
VHC427.7 is a medium terrestrial planet (5472 km radius) which orbits its star in 52039 Earth days, one day on VHC427.7 lasts 15 Earth hours. Its average temperature is 1098 K (825 C), its atmosphere mainly consists of and it has 62 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:VHC427.1VHC427.2VHC427.3VHC427.4VHC427.5
distance from star:37*106 km56*106 km84*106 km126*106 km1052*106 km
radius:3969 km2169 km9251 km10048 km32350 km
mass:500*1021 kg81*1021 kg6333*1021 kg8115*1021 kg270840*1021 kg
surface gravity: 2.11 m/s2
0.21 Earths
1.14 m/s2
0.11 Earths
4.93 m/s2
0.50 Earths
5.36 m/s2
0.54 Earths
17.2 m/s2
1.75 Earths
escape velocity:4.100 km/s2.232 km/s9.559 km/s10.38 km/s33.43 km/s
year: 157 VHC427.1 days
144 Earth days
106 VHC427.2 days
265 Earth days
1301 VHC427.3 days
488 Earth days
2392 VHC427.4 days
897 Earth days
73878 VHC427.5 days
21548 Earth days
day:22 hrs60 hrs9 hrs9 hrs7 hrs
axial tilt:10°25°20°16°
temperature:681 K
408 C
606 K
333 C
404 K
131 C
239 K
-34 C
1461 K
1188 C
atmosphere:85% N2
5% O2
10% CO2
0% other
92% N2
5% O2
3% CO2
0% other
4% H2
4% He
43% N2
48% O2
1% CO2
0% other
2% H2
1% He
73% N2
24% O2
0% other
100% H2
0% other
moons:101832115
rings:60000

planet:VHC427.6VHC427.7
distance from star:1578*106 km1894*106 km
radius:28900 km5472 km
mass:193100*1021 kg1310*1021 kg
surface gravity: 15.4 m/s2
1.57 Earths
2.92 m/s2
0.29 Earths
escape velocity:29.86 km/s5.653 km/s
year: 135726 VHC427.6 days
39587 Earth days
83262 VHC427.7 days
52039 Earth days
day:7 hrs15 hrs
axial tilt:
temperature:1503 K
1230 C
1098 K
825 C
atmosphere:88% H2
12% He
0% other
100% other
moons:13162
rings:90

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