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TAH557: red dwarf star with 9 planets

  TAH557.1  
TAH557.2
  TAH557.3   TAH557.4   TAH557.5  
TAH557.6
 
TAH557.7
  TAH557.8  
TAH557.9
 

Solar system 'TAH557' comprises the star 'TAH557' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 308 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'TAH557', a red dwarf class star that contains about 99.72% of the system's known mass and dominates it gravitationally. TAH557 is located more than 573 lightyears from the center of the galaxy.

TAH557.4, the fourth planet in this system, may feature life forms. Its average temperature is 290K (17C) and it's atmosphere contains 15% of oxygen. One year on TAH557.4 lasts 814 days, one day lasts 12 hours. It's diameter is 16696 km, 1.3 times the diameter of the Earth.

This solar system comprises 9 planets

TAH557.1 is a large terrestrial planet (7796 km radius) which orbits its star in 42 Earth days, one day on TAH557.1 lasts 13 Earth hours. Its average temperature is 1871 K (1598 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
TAH557.2 is a small terrestrial planet (3167 km radius) which orbits its star in 207 Earth days, one day on TAH557.2 lasts 33 Earth hours. Its average temperature is 901 K (628 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
TAH557.3 is a small terrestrial planet (4637 km radius) which orbits its star in 443 Earth days, one day on TAH557.3 lasts 20 Earth hours. Its average temperature is 490 K (217 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
TAH557.4 is a large terrestrial planet (8348 km radius) which orbits its star in 814 Earth days, one day on TAH557.4 lasts 12 Earth hours. Its average temperature is 290 K (17 C), its atmosphere mainly consists of nitrogen, oxygen and it has 15 moons.
TAH557.5 is a very large terrestrial planet (9277 km radius) which orbits its star in 1496 Earth days, one day on TAH557.5 lasts 11 Earth hours. Its average temperature is 161 K (-112 C), its atmosphere mainly consists of nitrogen, oxygen and it has 30 moons.
TAH557.6 is a large gas giant (56849 km radius) which orbits its star in 26555 Earth days, one day on TAH557.6 lasts 9 Earth hours. Its average temperature is 1030 K (757 C), its atmosphere mainly consists of hydrogen, helium and it has 102 moons.
TAH557.7 is a large gas giant (51958 km radius) which orbits its star in 142358 Earth days, one day on TAH557.7 lasts 9 Earth hours. Its average temperature is 1952 K (1679 C), its atmosphere mainly consists of hydrogen and it has 93 moons.
TAH557.8 is a large terrestrial planet (7372 km radius) which orbits its star in 187135 Earth days, one day on TAH557.8 lasts 13 Earth hours. Its average temperature is 1162 K (889 C), its atmosphere mainly consists of and it has 40 moons.
TAH557.9 is a medium terrestrial planet (5524 km radius) which orbits its star in 245995 Earth days, one day on TAH557.9 lasts 17 Earth hours. Its average temperature is 1153 K (880 C), its atmosphere mainly consists of and it has 23 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:TAH557.1TAH557.2TAH557.3TAH557.4TAH557.5
distance from star:16*106 km47*106 km79*106 km118*106 km177*106 km
radius:7796 km3167 km4637 km8348 km9277 km
mass:3790*1021 kg254*1021 kg797*1021 kg4654*1021 kg6387*1021 kg
surface gravity: 4.16 m/s2
0.42 Earths
1.69 m/s2
0.17 Earths
2.47 m/s2
0.25 Earths
4.45 m/s2
0.45 Earths
4.95 m/s2
0.50 Earths
escape velocity:8.055 km/s3.271 km/s4.789 km/s8.626 km/s9.586 km/s
year: 77 TAH557.1 days
42 Earth days
150 TAH557.2 days
207 Earth days
531 TAH557.3 days
443 Earth days
1628 TAH557.4 days
814 Earth days
3264 TAH557.5 days
1496 Earth days
day:13 hrs33 hrs20 hrs12 hrs11 hrs
axial tilt:30°30°19°
temperature:1871 K
1598 C
901 K
628 C
490 K
217 C
290 K
17 C
161 K
-112 C
atmosphere:69% N2
29% O2
2% CO2
0% other
64% N2
36% O2
0% other
3% H2
2% He
66% N2
29% O2
0% other
82% N2
15% O2
3% CO2
0% other
86% N2
13% O2
1% CO2
0% other
moons:0051530
rings:02000

planet:TAH557.6TAH557.7TAH557.8TAH557.9
distance from star:1209*106 km3705*106 km4446*106 km5335*106 km
radius:56849 km51958 km7372 km5524 km
mass:1469800*1021 kg1122140*1021 kg3205*1021 kg1348*1021 kg
surface gravity: 30.3 m/s2
3.09 Earths
27.7 m/s2
2.83 Earths
3.93 m/s2
0.40 Earths
2.94 m/s2
0.30 Earths
escape velocity:58.74 km/s53.69 km/s7.617 km/s5.707 km/s
year: 70813 TAH557.6 days
26555 Earth days
379621 TAH557.7 days
142358 Earth days
345480 TAH557.8 days
187135 Earth days
347287 TAH557.9 days
245995 Earth days
day:9 hrs9 hrs13 hrs17 hrs
axial tilt:16°26°
temperature:1030 K
757 C
1952 K
1679 C
1162 K
889 C
1153 K
880 C
atmosphere:80% H2
20% He
0% other
96% H2
4% He
0% other
100% other100% other
moons:102934023
rings:232304

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