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WKD499: red giant star with 3 planets

  WKD499.1  
WKD499.2
  WKD499.3  

Solar system 'WKD499' is a dual star system that comprises the stars 'WKD499.A' and 'WKD499.B' and the retinue of celestial objects gravitationally bound to them: 3 planets and their 304 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'WKD499.A' and 'WKD499.B' that dominate it gravitationally. 'WKD499.A' is a red giant class star that contains about 71% of the system's known mass, 'WKD499.B' is a yellow dwarf class star that contains about 28% of the system's known mass.

System 'WKD499' is located more than 4205 lightyears from the center of the galaxy.

This solar system comprises 3 planets

WKD499.1 is a medium terrestrial planet (6788 km radius) which orbits its star in 96 Earth days, one day on WKD499.1 lasts 8 Earth hours. Its average temperature is 1651 K (1378 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
WKD499.2 is a large gas giant (77750 km radius) which orbits its star in 1019 Earth days, one day on WKD499.2 lasts 3 Earth hours. Its average temperature is 1206 K (933 C), its atmosphere mainly consists of hydrogen, helium and it has 155 moons.
WKD499.3 is a huge terrestrial planet (14166 km radius) which orbits its star in 2353 Earth days, one day on WKD499.3 lasts 4 Earth hours. Its average temperature is 1698 K (1425 C), its atmosphere mainly consists of hydrogen, helium and it has 148 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:WKD499.1WKD499.2WKD499.3
distance from star:28*106 km137*106 km240*106 km
radius:6788 km77750 km14166 km
mass:2502*1021 kg3760028*1021 kg22742*1021 kg
surface gravity: 3.62 m/s2
0.37 Earths
41.5 m/s2
4.24 Earths
7.56 m/s2
0.77 Earths
escape velocity:7.014 km/s80.34 km/s14.63 km/s
year: 288 WKD499.1 days
96 Earth days
8152 WKD499.2 days
1019 Earth days
14118 WKD499.3 days
2353 Earth days
day:8 hrs3 hrs4 hrs
axial tilt:23°
temperature:1651 K
1378 C
1206 K
933 C
1698 K
1425 C
atmosphere:80% N2
18% O2
2% CO2
0% other
81% H2
19% He
0% other
79% H2
21% He
0% other
moons:1155148
rings:020

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