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UJJ057: yellow dwarf star with 2 planets

  UJJ057.1   UJJ057.2  

Solar system 'UJJ057' is a dual star system that comprises the stars 'UJJ057.A' and 'UJJ057.B' and the retinue of celestial objects gravitationally bound to them: 2 planets and their 23 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'UJJ057.A' and 'UJJ057.B' that dominate it gravitationally. 'UJJ057.A' is a yellow dwarf class star that contains about 99% of the system's known mass, 'UJJ057.B' is a brown dwarf class star that contains about 0% of the system's known mass.

System 'UJJ057' is located more than 3547 lightyears from the center of the galaxy.

This solar system comprises 2 planets

UJJ057.1 is a medium terrestrial planet (5812 km radius) which orbits its star in 108 Earth days, one day on UJJ057.1 lasts 9 Earth hours. Its average temperature is 1658 K (1385 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
UJJ057.2 is a very large terrestrial planet (11064 km radius) which orbits its star in 786 Earth days, one day on UJJ057.2 lasts 4 Earth hours. Its average temperature is 472 K (199 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 19 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:UJJ057.1UJJ057.2
distance from star:30*106 km115*106 km
radius:5812 km11064 km
mass:1570*1021 kg10834*1021 kg
surface gravity: 3.10 m/s2
0.31 Earths
5.90 m/s2
0.60 Earths
escape velocity:6.004 km/s11.43 km/s
year: 288 UJJ057.1 days
108 Earth days
4716 UJJ057.2 days
786 Earth days
day:9 hrs4 hrs
axial tilt:302°
temperature:1658 K
1385 C
472 K
199 C
atmosphere:5% H2
1% He
64% N2
30% O2
0% other
83% N2
3% O2
14% CO2
0% other
moons:419
rings:00

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