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MCK426: yellow dwarf star with 6 planets

  MCK426.1  
MCK426.2
  MCK426.3  
MCK426.4
 
MCK426.5
 
MCK426.6
 

Solar system 'MCK426' comprises the star 'MCK426' and the retinue of celestial objects gravitationally bound to it: 6 planets and their 654 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCK426', a yellow dwarf class star that contains about 99.47% of the system's known mass and dominates it gravitationally. MCK426 is located more than 2819 lightyears from the center of the galaxy.

MCK426.1, the first planet in this system, may feature life forms. Its average temperature is 293K (20C) and it's atmosphere contains 44% of oxygen. One year on MCK426.1 lasts 453 days, one day lasts 9 hours. It's diameter is 16760 km, 1.3 times the diameter of the Earth.

This solar system comprises 6 planets

MCK426.1 is a large terrestrial planet (8380 km radius) which orbits its star in 453 Earth days, one day on MCK426.1 lasts 9 Earth hours. Its average temperature is 293 K (20 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
MCK426.2 is a large gas giant (79976 km radius) which orbits its star in 51030 Earth days, one day on MCK426.2 lasts 6 Earth hours. Its average temperature is 1029 K (756 C), its atmosphere mainly consists of hydrogen, helium and it has 145 moons.
MCK426.3 is a medium gas giant (29886 km radius) which orbits its star in 93749 Earth days, one day on MCK426.3 lasts 6 Earth hours. Its average temperature is 1730 K (1457 C), its atmosphere mainly consists of hydrogen, helium and it has 176 moons.
MCK426.4 is a large gas giant (62520 km radius) which orbits its star in 282429 Earth days, one day on MCK426.4 lasts 6 Earth hours. Its average temperature is 1542 K (1269 C), its atmosphere mainly consists of hydrogen and it has 162 moons.
MCK426.5 is a large gas giant (67753 km radius) which orbits its star in 518856 Earth days, one day on MCK426.5 lasts 6 Earth hours. Its average temperature is 1451 K (1178 C), its atmosphere mainly consists of hydrogen, helium and it has 100 moons.
MCK426.6 is a medium gas giant (39002 km radius) which orbits its star in 953200 Earth days, one day on MCK426.6 lasts 6 Earth hours. Its average temperature is 1203 K (930 C), its atmosphere mainly consists of hydrogen, helium and it has 54 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MCK426.1MCK426.2MCK426.3MCK426.4MCK426.5
distance from star:80*106 km1869*106 km2804*106 km5850*106 km8775*106 km
radius:8380 km79976 km29886 km62520 km67753 km
mass:4707*1021 kg4092314*1021 kg213546*1021 kg1955000*1021 kg2488144*1021 kg
surface gravity: 4.47 m/s2
0.45 Earths
42.7 m/s2
4.36 Earths
15.9 m/s2
1.62 Earths
33.3 m/s2
3.40 Earths
36.1 m/s2
3.69 Earths
escape velocity:8.658 km/s82.64 km/s30.88 km/s64.60 km/s70.01 km/s
year: 1208 MCK426.1 days
453 Earth days
204120 MCK426.2 days
51030 Earth days
374996 MCK426.3 days
93749 Earth days
1129716 MCK426.4 days
282429 Earth days
2075424 MCK426.5 days
518856 Earth days
day:9 hrs6 hrs6 hrs6 hrs6 hrs
axial tilt:28°
temperature:293 K
20 C
1029 K
756 C
1730 K
1457 C
1542 K
1269 C
1451 K
1178 C
atmosphere:7% H2
1% He
48% N2
44% O2
0% other
82% H2
18% He
0% other
88% H2
12% He
0% other
91% H2
9% He
0% other
87% H2
13% He
0% other
moons:17145176162100
rings:02101220

planet:MCK426.6
distance from star:13162*106 km
radius:39002 km
mass:474625*1021 kg
surface gravity: 20.8 m/s2
2.12 Earths
escape velocity:40.30 km/s
year: 3812800 MCK426.6 days
953200 Earth days
day:6 hrs
axial tilt:
temperature:1203 K
930 C
atmosphere:89% H2
11% He
0% other
moons:54
rings:11

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