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QDH422: red dwarf star with 5 planets

  QDH422.1   QDH422.2   QDH422.3   QDH422.4   QDH422.5  

Solar system 'QDH422' comprises the star 'QDH422' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 299 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'QDH422', a red dwarf class star that contains about 99.08% of the system's known mass and dominates it gravitationally. QDH422 is located more than 711 lightyears from the center of the galaxy.

This solar system comprises 5 planets

QDH422.1 is a very large terrestrial planet (11581 km radius) which orbits its star in 452 Earth days, one day on QDH422.1 lasts 6 Earth hours. Its average temperature is 33 K (-240 C), its atmosphere mainly consists of nitrogen, oxygen and it has 22 moons.
QDH422.2 is a very large terrestrial planet (9686 km radius) which orbits its star in 920 Earth days, one day on QDH422.2 lasts 7 Earth hours. Its average temperature is 25 K (-248 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 21 moons.
QDH422.3 is a small terrestrial planet (4286 km radius) which orbits its star in 1691 Earth days, one day on QDH422.3 lasts 18 Earth hours. Its average temperature is 17 K (-256 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
QDH422.4 is a large gas giant (59746 km radius) which orbits its star in 20446 Earth days, one day on QDH422.4 lasts 5 Earth hours. Its average temperature is 1286 K (1013 C), its atmosphere mainly consists of hydrogen, helium and it has 155 moons.
QDH422.5 is a medium gas giant (24779 km radius) which orbits its star in 54495 Earth days, one day on QDH422.5 lasts 5 Earth hours. Its average temperature is 1083 K (810 C), its atmosphere mainly consists of hydrogen and it has 97 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:QDH422.1QDH422.2QDH422.3QDH422.4QDH422.5
distance from star:80*106 km128*106 km192*106 km1016*106 km1953*106 km
radius:11581 km9686 km4286 km59746 km24779 km
mass:12425*1021 kg7269*1021 kg629*1021 kg1706147*1021 kg121714*1021 kg
surface gravity: 6.18 m/s2
0.63 Earths
5.17 m/s2
0.52 Earths
2.28 m/s2
0.23 Earths
31.9 m/s2
3.26 Earths
13.2 m/s2
1.34 Earths
escape velocity:11.96 km/s10.00 km/s4.426 km/s61.74 km/s25.60 km/s
year: 1808 QDH422.1 days
452 Earth days
3154 QDH422.2 days
920 Earth days
2254 QDH422.3 days
1691 Earth days
98140 QDH422.4 days
20446 Earth days
261576 QDH422.5 days
54495 Earth days
day:6 hrs7 hrs18 hrs5 hrs5 hrs
axial tilt:13°27°
temperature:33 K
-240 C
25 K
-248 C
17 K
-256 C
1286 K
1013 C
1083 K
810 C
atmosphere:5% H2
1% He
64% N2
30% O2
0% other
11% H2
3% He
52% N2
33% O2
1% CO2
0% other
81% N2
18% O2
1% CO2
0% other
81% H2
19% He
0% other
91% H2
9% He
0% other
moons:2221415597
rings:00000

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