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UDC404: yellow dwarf star with 3 planets

  UDC404.1   UDC404.2  
UDC404.3
 

Solar system 'UDC404' is a dual star system that comprises the stars 'UDC404.A' and 'UDC404.B' and the retinue of celestial objects gravitationally bound to them: 3 planets and their 183 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'UDC404.A' and 'UDC404.B' that dominate it gravitationally. 'UDC404.A' is a yellow dwarf class star that contains about 63% of the system's known mass, 'UDC404.B' is a yellow dwarf class star that contains about 36% of the system's known mass.

System 'UDC404' is located more than 731 lightyears from the center of the galaxy.

UDC404.1, the first planet in this system, may feature life forms. Its average temperature is 263K (-10C) and it's atmosphere contains 45% of oxygen. One year on UDC404.1 lasts 491 days, one day lasts 6 hours. It's diameter is 17928 km, 1.4 times the diameter of the Earth.

This solar system comprises 3 planets

UDC404.1 is a large terrestrial planet (8964 km radius) which orbits its star in 491 Earth days, one day on UDC404.1 lasts 6 Earth hours. Its average temperature is 263 K (-10 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 44 moons.
UDC404.2 is a very large terrestrial planet (10471 km radius) which orbits its star in 903 Earth days, one day on UDC404.2 lasts 5 Earth hours. Its average temperature is 234 K (-39 C), its atmosphere mainly consists of nitrogen, oxygen and it has 35 moons.
UDC404.3 is a medium gas giant (28219 km radius) which orbits its star in 20925 Earth days, one day on UDC404.3 lasts 3 Earth hours. Its average temperature is 1110 K (837 C), its atmosphere mainly consists of hydrogen, helium and it has 104 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:UDC404.1UDC404.2UDC404.3
distance from star:84*106 km127*106 km1031*106 km
radius:8964 km10471 km28219 km
mass:5762*1021 kg9184*1021 kg179769*1021 kg
surface gravity: 4.78 m/s2
0.48 Earths
5.59 m/s2
0.57 Earths
15.0 m/s2
1.53 Earths
escape velocity:9.263 km/s10.82 km/s29.16 km/s
year: 1964 UDC404.1 days
491 Earth days
4334 UDC404.2 days
903 Earth days
167400 UDC404.3 days
20925 Earth days
day:6 hrs5 hrs3 hrs
axial tilt:15°
temperature:263 K
-10 C
234 K
-39 C
1110 K
837 C
atmosphere:30% H2
4% He
21% N2
45% O2
0% other
4% H2
2% He
49% N2
44% O2
1% CO2
0% other
83% H2
17% He
0% other
moons:4435104
rings:0016

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