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XAF390: red dwarf star with 8 planets

  XAF390.1   XAF390.2   XAF390.3   XAF390.4  
XAF390.5
 
XAF390.6
 
XAF390.7
  XAF390.8  

Solar system 'XAF390' comprises the star 'XAF390' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 254 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'XAF390', a red dwarf class star that contains about 99.27% of the system's known mass and dominates it gravitationally. XAF390 is located more than 4186 lightyears from the center of the galaxy.

This solar system comprises 8 planets

XAF390.1 is a very large terrestrial planet (10780 km radius) which orbits its star in 334 Earth days, one day on XAF390.1 lasts 10 Earth hours. Its average temperature is 77 K (-196 C), its atmosphere mainly consists of nitrogen, oxygen and it has 25 moons.
XAF390.2 is a very large terrestrial planet (11245 km radius) which orbits its star in 728 Earth days, one day on XAF390.2 lasts 9 Earth hours. Its average temperature is 55 K (-218 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 18 moons.
XAF390.3 is a small terrestrial planet (4947 km radius) which orbits its star in 1337 Earth days, one day on XAF390.3 lasts 18 Earth hours. Its average temperature is 36 K (-237 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 8 moons.
XAF390.4 is a very large terrestrial planet (10637 km radius) which orbits its star in 2680 Earth days, one day on XAF390.4 lasts 10 Earth hours. Its average temperature is 19 K (-254 C), its atmosphere mainly consists of nitrogen, oxygen and it has 40 moons.
XAF390.5 is a medium terrestrial planet (5705 km radius) which orbits its star in 4924 Earth days, one day on XAF390.5 lasts 15 Earth hours. Its average temperature is 1920 K (1647 C), its atmosphere mainly consists of hydrogen, helium and it has 49 moons.
XAF390.6 is a large gas giant (65376 km radius) which orbits its star in 111780 Earth days, one day on XAF390.6 lasts 8 Earth hours. Its average temperature is 1186 K (913 C), its atmosphere mainly consists of hydrogen and it has 89 moons.
XAF390.7 is a large terrestrial planet (8045 km radius) which orbits its star in 146939 Earth days, one day on XAF390.7 lasts 11 Earth hours. Its average temperature is 1126 K (853 C), its atmosphere mainly consists of and it has 23 moons.
XAF390.8 is a small terrestrial planetoid (1340 km radius) which orbits its star in 193157 Earth days, one day on XAF390.8 lasts 149 Earth hours. Its average temperature is 1080 K (807 C), its atmosphere mainly consists of and it has 2 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:XAF390.1XAF390.2XAF390.3XAF390.4XAF390.5
distance from star:65*106 km109*106 km164*106 km262*106 km393*106 km
radius:10780 km11245 km4947 km10637 km5705 km
mass:10021*1021 kg11375*1021 kg968*1021 kg9628*1021 kg1485*1021 kg
surface gravity: 5.75 m/s2
0.58 Earths
6.00 m/s2
0.61 Earths
2.63 m/s2
0.26 Earths
5.67 m/s2
0.57 Earths
3.04 m/s2
0.31 Earths
escape velocity:11.13 km/s11.62 km/s5.110 km/s10.99 km/s5.894 km/s
year: 801 XAF390.1 days
334 Earth days
1941 XAF390.2 days
728 Earth days
1782 XAF390.3 days
1337 Earth days
6432 XAF390.4 days
2680 Earth days
7878 XAF390.5 days
4924 Earth days
day:10 hrs9 hrs18 hrs10 hrs15 hrs
axial tilt:293°181°18°14°
temperature:77 K
-196 C
55 K
-218 C
36 K
-237 C
19 K
-254 C
1920 K
1647 C
atmosphere:3% H2
1% He
53% N2
43% O2
0% other
78% N2
1% O2
21% CO2
0% other
11% H2
3% He
45% N2
41% O2
0% other
4% H2
1% He
70% N2
25% O2
0% other
78% H2
22% He
0% other
moons:251884049
rings:00001

planet:XAF390.6XAF390.7XAF390.8
distance from star:3153*106 km3784*106 km4541*106 km
radius:65376 km8045 km1340 km
mass:2235347*1021 kg4165*1021 kg19*1021 kg
surface gravity: 34.9 m/s2
3.56 Earths
4.29 m/s2
0.43 Earths
0.70 m/s2
0.07 Earths
escape velocity:67.55 km/s8.313 km/s1.375 km/s
year: 335340 XAF390.6 days
111780 Earth days
320594 XAF390.7 days
146939 Earth days
31112 XAF390.8 days
193157 Earth days
day:8 hrs11 hrs149 hrs
axial tilt:28°22°
temperature:1186 K
913 C
1126 K
853 C
1080 K
807 C
atmosphere:93% H2
7% He
0% other
100% other100% other
moons:89232
rings:170

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