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LKK323: yellow dwarf star with 7 planets

  LKK323.1   LKK323.2   LKK323.3   LKK323.4   LKK323.5   LKK323.6   LKK323.7  

Solar system 'LKK323' comprises the star 'LKK323' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 142 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LKK323', a yellow dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. LKK323 is located more than 5146 lightyears from the center of the galaxy.

This solar system comprises 7 planets

LKK323.1 is a small terrestrial planet (4704 km radius) which orbits its star in 53 Earth days, one day on LKK323.1 lasts 18 Earth hours. Its average temperature is 1148 K (875 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LKK323.2 is a large terrestrial planet (7372 km radius) which orbits its star in 131 Earth days, one day on LKK323.2 lasts 11 Earth hours. Its average temperature is 1397 K (1124 C), its atmosphere mainly consists of nitrogen, oxygen and it has 9 moons.
LKK323.3 is a very large terrestrial planet (10493 km radius) which orbits its star in 750 Earth days, one day on LKK323.3 lasts 9 Earth hours. Its average temperature is 409 K (136 C), its atmosphere mainly consists of nitrogen, oxygen and it has 30 moons.
LKK323.4 is a large terrestrial planet (7442 km radius) which orbits its star in 1378 Earth days, one day on LKK323.4 lasts 11 Earth hours. Its average temperature is 242 K (-31 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 36 moons.
LKK323.5 is a medium terrestrial planet (6995 km radius) which orbits its star in 2531 Earth days, one day on LKK323.5 lasts 12 Earth hours. Its average temperature is 134 K (-139 C), its atmosphere mainly consists of nitrogen, oxygen and it has 39 moons.
LKK323.6 is a very small terrestrial planet (2953 km radius) which orbits its star in 4651 Earth days, one day on LKK323.6 lasts 35 Earth hours. Its average temperature is 71 K (-202 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
LKK323.7 is a small terrestrial planet (4358 km radius) which orbits its star in 6114 Earth days, one day on LKK323.7 lasts 20 Earth hours. Its average temperature is 1124 K (851 C), its atmosphere mainly consists of and it has 24 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LKK323.1LKK323.2LKK323.3LKK323.4LKK323.5
distance from star:19*106 km35*106 km112*106 km168*106 km252*106 km
radius:4704 km7372 km10493 km7442 km6995 km
mass:832*1021 kg3205*1021 kg9242*1021 kg3297*1021 kg2738*1021 kg
surface gravity: 2.50 m/s2
0.25 Earths
3.93 m/s2
0.40 Earths
5.60 m/s2
0.57 Earths
3.97 m/s2
0.40 Earths
3.73 m/s2
0.38 Earths
escape velocity:4.858 km/s7.617 km/s10.84 km/s7.690 km/s7.228 km/s
year: 70 LKK323.1 days
53 Earth days
285 LKK323.2 days
131 Earth days
2000 LKK323.3 days
750 Earth days
3006 LKK323.4 days
1378 Earth days
5062 LKK323.5 days
2531 Earth days
day:18 hrs11 hrs9 hrs11 hrs12 hrs
axial tilt:260°27°233°17°
temperature:1148 K
875 C
1397 K
1124 C
409 K
136 C
242 K
-31 C
134 K
-139 C
atmosphere:3% H2
2% He
55% N2
39% O2
1% CO2
0% other
80% N2
16% O2
4% CO2
0% other
2% H2
1% He
80% N2
16% O2
1% CO2
0% other
21% H2
4% He
28% N2
47% O2
0% other
2% H2
1% He
85% N2
12% O2
0% other
moons:09303639
rings:00000

planet:LKK323.6LKK323.7
distance from star:378*106 km454*106 km
radius:2953 km4358 km
mass:206*1021 kg662*1021 kg
surface gravity: 1.57 m/s2
0.16 Earths
2.32 m/s2
0.23 Earths
escape velocity:3.051 km/s4.503 km/s
year: 3189 LKK323.6 days
4651 Earth days
7336 LKK323.7 days
6114 Earth days
day:35 hrs20 hrs
axial tilt:17°17°
temperature:71 K
-202 C
1124 K
851 C
atmosphere:62% N2
36% O2
2% CO2
0% other
100% other
moons:424
rings:00

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