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XAA858: red dwarf star with 8 planets

 
XAA858.1
  XAA858.2   XAA858.3   XAA858.4   XAA858.5   XAA858.6  
XAA858.7
  XAA858.8  

Solar system 'XAA858' comprises the star 'XAA858' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 278 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'XAA858', a red dwarf class star that contains about 99.87% of the system's known mass and dominates it gravitationally. XAA858 is located more than 3778 lightyears from the center of the galaxy.

XAA858.2, the second planet in this system, may feature life forms. Its average temperature is 345K (72C) and it's atmosphere contains 3% of oxygen. One year on XAA858.2 lasts 174 days, one day lasts 10 hours. It's diameter is 19962 km, 1.5 times the diameter of the Earth.

This solar system comprises 8 planets

XAA858.1 is a very large terrestrial planet (9505 km radius) which orbits its star in 95 Earth days, one day on XAA858.1 lasts 10 Earth hours. Its average temperature is 388 K (115 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 10 moons.
XAA858.2 is a very large terrestrial planet (9981 km radius) which orbits its star in 174 Earth days, one day on XAA858.2 lasts 10 Earth hours. Its average temperature is 345 K (72 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 9 moons.
XAA858.3 is a very large terrestrial planet (11193 km radius) which orbits its star in 525 Earth days, one day on XAA858.3 lasts 9 Earth hours. Its average temperature is 119 K (-154 C), its atmosphere mainly consists of nitrogen and it has 21 moons.
XAA858.4 is a very large terrestrial planet (9226 km radius) which orbits its star in 1160 Earth days, one day on XAA858.4 lasts 10 Earth hours. Its average temperature is 55 K (-218 C), its atmosphere mainly consists of nitrogen, oxygen and it has 10 moons.
XAA858.5 is a very large terrestrial planet (10771 km radius) which orbits its star in 2549 Earth days, one day on XAA858.5 lasts 10 Earth hours. Its average temperature is 24 K (-249 C), its atmosphere mainly consists of nitrogen, oxygen and it has 27 moons.
XAA858.6 is a medium gas giant (24292 km radius) which orbits its star in 18744 Earth days, one day on XAA858.6 lasts 8 Earth hours. Its average temperature is 1355 K (1082 C), its atmosphere mainly consists of hydrogen, helium and it has 96 moons.
XAA858.7 is a medium gas giant (29066 km radius) which orbits its star in 34435 Earth days, one day on XAA858.7 lasts 8 Earth hours. Its average temperature is 1717 K (1444 C), its atmosphere mainly consists of hydrogen and it has 96 moons.
XAA858.8 is a very small terrestrial planet (2318 km radius) which orbits its star in 45266 Earth days, one day on XAA858.8 lasts 54 Earth hours. Its average temperature is 1150 K (877 C), its atmosphere mainly consists of and it has 9 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:XAA858.1XAA858.2XAA858.3XAA858.4XAA858.5
distance from star:28*106 km42*106 km88*106 km150*106 km253*106 km
radius:9505 km9981 km11193 km9226 km10771 km
mass:6869*1021 kg7954*1021 kg11218*1021 kg6282*1021 kg9996*1021 kg
surface gravity: 5.07 m/s2
0.51 Earths
5.32 m/s2
0.54 Earths
5.97 m/s2
0.61 Earths
4.92 m/s2
0.50 Earths
5.75 m/s2
0.58 Earths
escape velocity:9.821 km/s10.31 km/s11.56 km/s9.533 km/s11.13 km/s
year: 228 XAA858.1 days
95 Earth days
417 XAA858.2 days
174 Earth days
1400 XAA858.3 days
525 Earth days
2784 XAA858.4 days
1160 Earth days
6117 XAA858.5 days
2549 Earth days
day:10 hrs10 hrs9 hrs10 hrs10 hrs
axial tilt:22°15°25°
temperature:388 K
115 C
345 K
72 C
119 K
-154 C
55 K
-218 C
24 K
-249 C
atmosphere:81% N2
1% O2
18% CO2
0% other
75% N2
3% O2
22% CO2
0% other
93% N2
5% O2
2% CO2
0% other
68% N2
31% O2
1% CO2
0% other
75% N2
22% O2
3% CO2
0% other
moons:109211027
rings:50000

planet:XAA858.6XAA858.7XAA858.8
distance from star:958*106 km1438*106 km1726*106 km
radius:24292 km29066 km2318 km
mass:114677*1021 kg196447*1021 kg99*1021 kg
surface gravity: 12.9 m/s2
1.31 Earths
15.5 m/s2
1.58 Earths
1.22 m/s2
0.12 Earths
escape velocity:25.10 km/s30.03 km/s2.387 km/s
year: 56232 XAA858.6 days
18744 Earth days
103305 XAA858.7 days
34435 Earth days
20118 XAA858.8 days
45266 Earth days
day:8 hrs8 hrs54 hrs
axial tilt:12°14°
temperature:1355 K
1082 C
1717 K
1444 C
1150 K
877 C
atmosphere:83% H2
17% He
0% other
99% H2
1% He
0% other
100% other
moons:96969
rings:050

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