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PBF669: red supergiant star with 2 planets


Solar system 'PBF669' is a dual star system that comprises the stars 'PBF669.A' and 'PBF669.B' and the retinue of celestial objects gravitationally bound to them: 2 planets and their 132 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'PBF669.A' and 'PBF669.B' that dominate it gravitationally. 'PBF669.A' is a red supergiant class star that contains about 78% of the system's known mass, 'PBF669.B' is a red giant class star that contains about 21% of the system's known mass.

System 'PBF669' is located more than 4088 lightyears from the center of the galaxy.

This solar system comprises 2 planets

PBF669.1 is a very large terrestrial planet (10392 km radius) which orbits its star in 207 Earth days, one day on PBF669.1 lasts 4 Earth hours. Its average temperature is 1323 K (1050 C), its atmosphere mainly consists of nitrogen, oxygen and it has 27 moons.
PBF669.2 is a small gas giant (19669 km radius) which orbits its star in 10351 Earth days, one day on PBF669.2 lasts 2 Earth hours. Its average temperature is 1161 K (888 C), its atmosphere mainly consists of hydrogen and it has 105 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:47*106 km645*106 km
radius:10392 km19669 km
mass:8978*1021 kg60874*1021 kg
surface gravity: 5.54 m/s2
0.56 Earths
10.5 m/s2
1.07 Earths
escape velocity:10.73 km/s20.32 km/s
year: 1242 PBF669.1 days
207 Earth days
124212 PBF669.2 days
10351 Earth days
day:4 hrs2 hrs
axial tilt:18°42°
temperature:1323 K
1050 C
1161 K
888 C
atmosphere:77% N2
21% O2
2% CO2
0% other
100% H2
0% other

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