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XAA618: red dwarf star with 4 planets

  XAA618.1   XAA618.2   XAA618.3  
XAA618.4
 

Solar system 'XAA618' comprises the star 'XAA618' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 111 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'XAA618', a red dwarf class star that contains about 99.6% of the system's known mass and dominates it gravitationally. XAA618 is located more than 4514 lightyears from the center of the galaxy.

This solar system comprises 4 planets

XAA618.1 is a large terrestrial planet (7250 km radius) which orbits its star in 29 Earth days, one day on XAA618.1 lasts 8 Earth hours. Its average temperature is 1400 K (1127 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 2 moons.
XAA618.2 is a small terrestrial planet (4112 km radius) which orbits its star in 181 Earth days, one day on XAA618.2 lasts 18 Earth hours. Its average temperature is 1000 K (727 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
XAA618.3 is a very large terrestrial planet (9144 km radius) which orbits its star in 953 Earth days, one day on XAA618.3 lasts 6 Earth hours. Its average temperature is 163 K (-110 C), its atmosphere mainly consists of nitrogen, oxygen and it has 29 moons.
XAA618.4 is a large gas giant (75902 km radius) which orbits its star in 69804 Earth days, one day on XAA618.4 lasts 4 Earth hours. Its average temperature is 1585 K (1312 C), its atmosphere mainly consists of hydrogen, helium and it has 78 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:XAA618.1XAA618.2XAA618.3XAA618.4
distance from star:12*106 km43*106 km131*106 km2303*106 km
radius:7250 km4112 km9144 km75902 km
mass:3048*1021 kg556*1021 kg6116*1021 kg3498240*1021 kg
surface gravity: 3.87 m/s2
0.39 Earths
2.19 m/s2
0.22 Earths
4.88 m/s2
0.49 Earths
40.5 m/s2
4.14 Earths
escape velocity:7.491 km/s4.248 km/s9.448 km/s78.43 km/s
year: 87 XAA618.1 days
29 Earth days
241 XAA618.2 days
181 Earth days
3812 XAA618.3 days
953 Earth days
418824 XAA618.4 days
69804 Earth days
day:8 hrs18 hrs6 hrs4 hrs
axial tilt:24°10°29°
temperature:1400 K
1127 C
1000 K
727 C
163 K
-110 C
1585 K
1312 C
atmosphere:81% N2
5% O2
14% CO2
0% other
1% H2
1% He
74% N2
22% O2
2% CO2
0% other
66% N2
34% O2
0% other
79% H2
21% He
0% other
moons:222978
rings:00013

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