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VBG857: red giant star with 2 planets

  VBG857.1   VBG857.2  

Solar system 'VBG857' is a dual star system that comprises the stars 'VBG857.A' and 'VBG857.B' and the retinue of celestial objects gravitationally bound to them: 2 planets and their 37 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'VBG857.A' and 'VBG857.B' that dominate it gravitationally. 'VBG857.A' is a red giant class star that contains about 71% of the system's known mass, 'VBG857.B' is a red giant class star that contains about 28% of the system's known mass.

System 'VBG857' is located more than 1440 lightyears from the center of the galaxy.

This solar system comprises 2 planets

VBG857.1 is a small terrestrial planet (4129 km radius) which orbits its star in 50 Earth days, one day on VBG857.1 lasts 16 Earth hours. Its average temperature is 1921 K (1648 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 0 moons.
VBG857.2 is a very large terrestrial planet (11553 km radius) which orbits its star in 839 Earth days, one day on VBG857.2 lasts 3 Earth hours. Its average temperature is 1440 K (1167 C), its atmosphere mainly consists of nitrogen and it has 37 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:18*106 km120*106 km
radius:4129 km11553 km
mass:563*1021 kg12335*1021 kg
surface gravity: 2.20 m/s2
0.22 Earths
6.16 m/s2
0.62 Earths
escape velocity:4.266 km/s11.93 km/s
year: 75 VBG857.1 days
50 Earth days
6712 VBG857.2 days
839 Earth days
day:16 hrs3 hrs
axial tilt:279°19°
temperature:1921 K
1648 C
1440 K
1167 C
atmosphere:82% N2
2% O2
16% CO2
0% other
88% N2
6% O2
6% CO2
0% other

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