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QEK490: red dwarf star with 4 planets

  QEK490.1   QEK490.2   QEK490.3  
QEK490.4
 

Solar system 'QEK490' comprises the star 'QEK490' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 148 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'QEK490', a red dwarf class star that contains about 99.74% of the system's known mass and dominates it gravitationally. QEK490 is located more than 832 lightyears from the center of the galaxy.

QEK490.3, the third planet in this system, may feature life forms. Its average temperature is 279K (6C) and it's atmosphere contains 4% of oxygen. One year on QEK490.3 lasts 333 days, one day lasts 27 hours. It's diameter is 6594 km, 0.5 times the diameter of the Earth.

This solar system comprises 4 planets

QEK490.1 is a very small terrestrial planet (2248 km radius) which orbits its star in 61 Earth days, one day on QEK490.1 lasts 53 Earth hours. Its average temperature is 880 K (607 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
QEK490.2 is a medium terrestrial planet (5907 km radius) which orbits its star in 181 Earth days, one day on QEK490.2 lasts 11 Earth hours. Its average temperature is 419 K (146 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 4 moons.
QEK490.3 is a small terrestrial planet (3297 km radius) which orbits its star in 333 Earth days, one day on QEK490.3 lasts 27 Earth hours. Its average temperature is 279 K (6 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 0 moons.
QEK490.4 is a large gas giant (48999 km radius) which orbits its star in 56115 Earth days, one day on QEK490.4 lasts 4 Earth hours. Its average temperature is 1990 K (1717 C), its atmosphere mainly consists of hydrogen, helium and it has 144 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:QEK490.1QEK490.2QEK490.3QEK490.4
distance from star:21*106 km43*106 km65*106 km1991*106 km
radius:2248 km5907 km3297 km48999 km
mass:90*1021 kg1648*1021 kg286*1021 kg941134*1021 kg
surface gravity: 1.18 m/s2
0.12 Earths
3.15 m/s2
0.32 Earths
1.75 m/s2
0.17 Earths
26.1 m/s2
2.66 Earths
escape velocity:2.311 km/s6.102 km/s3.402 km/s50.63 km/s
year: 27 QEK490.1 days
61 Earth days
394 QEK490.2 days
181 Earth days
296 QEK490.3 days
333 Earth days
336690 QEK490.4 days
56115 Earth days
day:53 hrs11 hrs27 hrs4 hrs
axial tilt:27°13°
temperature:880 K
607 C
419 K
146 C
279 K
6 C
1990 K
1717 C
atmosphere:69% N2
30% O2
1% CO2
0% other
11% H2
3% He
42% N2
43% O2
1% CO2
0% other
78% N2
4% O2
18% CO2
0% other
84% H2
16% He
0% other
moons:040144
rings:00010

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