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SDF393: red giant star with 3 planets

  SDF393.1   SDF393.2   SDF393.3  

Solar system 'SDF393' is a dual star system that comprises the stars 'SDF393.A' and 'SDF393.B' and the retinue of celestial objects gravitationally bound to them: 3 planets and their 10 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'SDF393.A' and 'SDF393.B' that dominate it gravitationally. 'SDF393.A' is a red giant class star that contains about 99% of the system's known mass, 'SDF393.B' is a brown dwarf class star that contains about 0% of the system's known mass.

System 'SDF393' is located more than 1800 lightyears from the center of the galaxy.

This solar system comprises 3 planets

SDF393.1 is a very large terrestrial planet (11694 km radius) which orbits its star in 35 Earth days, one day on SDF393.1 lasts 4 Earth hours. Its average temperature is 1110 K (837 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 4 moons.
SDF393.2 is a large terrestrial planet (7961 km radius) which orbits its star in 393 Earth days, one day on SDF393.2 lasts 6 Earth hours. Its average temperature is 725 K (452 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
SDF393.3 is a very small terrestrial planet (2325 km radius) which orbits its star in 723 Earth days, one day on SDF393.3 lasts 49 Earth hours. Its average temperature is 483 K (210 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 1 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:SDF393.1SDF393.2SDF393.3
distance from star:14*106 km73*106 km109*106 km
radius:11694 km7961 km2325 km
mass:12793*1021 kg4036*1021 kg100*1021 kg
surface gravity: 6.24 m/s2
0.63 Earths
4.25 m/s2
0.43 Earths
1.23 m/s2
0.12 Earths
escape velocity:12.08 km/s8.226 km/s2.396 km/s
year: 210 SDF393.1 days
35 Earth days
1572 SDF393.2 days
393 Earth days
354 SDF393.3 days
723 Earth days
day:4 hrs6 hrs49 hrs
axial tilt:18°11°
temperature:1110 K
837 C
725 K
452 C
483 K
210 C
atmosphere:81% N2
6% O2
13% CO2
0% other
83% N2
12% O2
5% CO2
0% other
23% H2
3% He
31% N2
42% O2
1% CO2
0% other
moons:451
rings:000

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