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SFA549: red dwarf star with 2 planets

  SFA549.1   SFA549.2  

Solar system 'SFA549' comprises the star 'SFA549' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 86 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'SFA549', a red dwarf class star that contains about 99.88% of the system's known mass and dominates it gravitationally. SFA549 is located more than 2615 lightyears from the center of the galaxy.

This solar system comprises 2 planets

SFA549.1 is a very small terrestrial planet (2558 km radius) which orbits its star in 18 Earth days, one day on SFA549.1 lasts 40 Earth hours. Its average temperature is 1375 K (1102 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 0 moons.
SFA549.2 is a medium gas giant (32025 km radius) which orbits its star in 24258 Earth days, one day on SFA549.2 lasts 2 Earth hours. Its average temperature is 1414 K (1141 C), its atmosphere mainly consists of hydrogen, helium and it has 86 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:9*106 km1138*106 km
radius:2558 km32025 km
mass:133*1021 kg262758*1021 kg
surface gravity: 1.35 m/s2
0.13 Earths
17.0 m/s2
1.73 Earths
escape velocity:2.634 km/s33.09 km/s
year: 10 SFA549.1 days
18 Earth days
291096 SFA549.2 days
24258 Earth days
day:40 hrs2 hrs
axial tilt:27°
temperature:1375 K
1102 C
1414 K
1141 C
atmosphere:15% H2
3% He
51% N2
31% O2
0% other
85% H2
15% He
0% other

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