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TAF177: red dwarf star with 4 planets

 
TAF177.1
  TAF177.2   TAF177.3  
TAF177.4
 

Solar system 'TAF177' comprises the star 'TAF177' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 450 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'TAF177', a red dwarf class star that contains about 99.36% of the system's known mass and dominates it gravitationally. TAF177 is located more than 3710 lightyears from the center of the galaxy.

This solar system comprises 4 planets

TAF177.1 is a large terrestrial planet (8259 km radius) which orbits its star in 4896 Earth days, one day on TAF177.1 lasts 7 Earth hours. Its average temperature is 1187 K (914 C), its atmosphere mainly consists of hydrogen and it has 46 moons.
TAF177.2 is a large gas giant (70982 km radius) which orbits its star in 72596 Earth days, one day on TAF177.2 lasts 4 Earth hours. Its average temperature is 1690 K (1417 C), its atmosphere mainly consists of hydrogen and it has 180 moons.
TAF177.3 is a large gas giant (50299 km radius) which orbits its star in 188375 Earth days, one day on TAF177.3 lasts 4 Earth hours. Its average temperature is 1605 K (1332 C), its atmosphere mainly consists of hydrogen, helium and it has 135 moons.
TAF177.4 is a large gas giant (69459 km radius) which orbits its star in 346068 Earth days, one day on TAF177.4 lasts 4 Earth hours. Its average temperature is 1168 K (895 C), its atmosphere mainly consists of hydrogen, helium and it has 89 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:TAF177.1TAF177.2TAF177.3TAF177.4
distance from star:391*106 km2365*106 km4465*106 km6698*106 km
radius:8259 km70982 km50299 km69459 km
mass:4506*1021 kg2861110*1021 kg1018047*1021 kg2680868*1021 kg
surface gravity: 4.40 m/s2
0.44 Earths
37.9 m/s2
3.87 Earths
26.8 m/s2
2.74 Earths
37.0 m/s2
3.78 Earths
escape velocity:8.533 km/s73.35 km/s51.97 km/s71.77 km/s
year: 16786 TAF177.1 days
4896 Earth days
435576 TAF177.2 days
72596 Earth days
1130250 TAF177.3 days
188375 Earth days
2076408 TAF177.4 days
346068 Earth days
day:7 hrs4 hrs4 hrs4 hrs
axial tilt:
temperature:1187 K
914 C
1690 K
1417 C
1605 K
1332 C
1168 K
895 C
atmosphere:99% H2
1% He
0% other
100% H2
0% other
82% H2
18% He
0% other
77% H2
23% He
0% other
moons:4618013589
rings:5002

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