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LKA477: yellow dwarf star with 9 planets

 
LKA477.1
 
LKA477.2
  LKA477.3   LKA477.4   LKA477.5   LKA477.6   LKA477.7  
LKA477.8
  LKA477.9  

Solar system 'LKA477' comprises the star 'LKA477' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 330 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LKA477', a yellow dwarf class star that contains about 99.82% of the system's known mass and dominates it gravitationally. LKA477 is located more than 2031 lightyears from the center of the galaxy.

LKA477.3, the third planet in this system, may feature life forms. Its average temperature is 257K (-16C) and it's atmosphere contains 47% of oxygen. One year on LKA477.3 lasts 1331 days, one day lasts 10 hours. It's diameter is 22718 km, 1.7 times the diameter of the Earth.

This solar system comprises 9 planets

LKA477.1 is a small terrestrial planet (3493 km radius) which orbits its star in 84 Earth days, one day on LKA477.1 lasts 29 Earth hours. Its average temperature is 1694 K (1421 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
LKA477.2 is a medium terrestrial planet (5774 km radius) which orbits its star in 373 Earth days, one day on LKA477.2 lasts 16 Earth hours. Its average temperature is 933 K (660 C), its atmosphere mainly consists of nitrogen, oxygen and it has 10 moons.
LKA477.3 is a very large terrestrial planet (11359 km radius) which orbits its star in 1331 Earth days, one day on LKA477.3 lasts 10 Earth hours. Its average temperature is 257 K (-16 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 36 moons.
LKA477.4 is a medium terrestrial planet (6859 km radius) which orbits its star in 2446 Earth days, one day on LKA477.4 lasts 14 Earth hours. Its average temperature is 152 K (-121 C), its atmosphere mainly consists of nitrogen, oxygen and it has 40 moons.
LKA477.5 is a large terrestrial planet (7927 km radius) which orbits its star in 4493 Earth days, one day on LKA477.5 lasts 12 Earth hours. Its average temperature is 84 K (-189 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
LKA477.6 is a medium terrestrial planet (5707 km radius) which orbits its star in 8255 Earth days, one day on LKA477.6 lasts 16 Earth hours. Its average temperature is 45 K (-228 C), its atmosphere mainly consists of nitrogen, oxygen and it has 23 moons.
LKA477.7 is a medium terrestrial planet (5725 km radius) which orbits its star in 15166 Earth days, one day on LKA477.7 lasts 16 Earth hours. Its average temperature is 23 K (-250 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
LKA477.8 is a large gas giant (77245 km radius) which orbits its star in 163334 Earth days, one day on LKA477.8 lasts 9 Earth hours. Its average temperature is 1123 K (850 C), its atmosphere mainly consists of hydrogen and it has 126 moons.
LKA477.9 is a large terrestrial planet (7701 km radius) which orbits its star in 214708 Earth days, one day on LKA477.9 lasts 13 Earth hours. Its average temperature is 1493 K (1220 C), its atmosphere mainly consists of and it has 57 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LKA477.1LKA477.2LKA477.3LKA477.4LKA477.5
distance from star:26*106 km70*106 km164*106 km246*106 km370*106 km
radius:3493 km5774 km11359 km6859 km7927 km
mass:340*1021 kg1539*1021 kg11724*1021 kg2581*1021 kg3984*1021 kg
surface gravity: 1.85 m/s2
0.18 Earths
3.08 m/s2
0.31 Earths
6.06 m/s2
0.61 Earths
3.66 m/s2
0.37 Earths
4.23 m/s2
0.43 Earths
escape velocity:3.604 km/s5.964 km/s11.73 km/s7.087 km/s8.190 km/s
year: 69 LKA477.1 days
84 Earth days
559 LKA477.2 days
373 Earth days
3194 LKA477.3 days
1331 Earth days
4193 LKA477.4 days
2446 Earth days
8986 LKA477.5 days
4493 Earth days
day:29 hrs16 hrs10 hrs14 hrs12 hrs
axial tilt:317°30°
temperature:1694 K
1421 C
933 K
660 C
257 K
-16 C
152 K
-121 C
84 K
-189 C
atmosphere:93% N2
3% O2
4% CO2
0% other
1% H2
3% He
62% N2
34% O2
0% other
16% H2
3% He
33% N2
47% O2
1% CO2
0% other
75% N2
25% O2
0% other
1% He
59% N2
39% O2
1% CO2
0% other
moons:010364019
rings:25000

planet:LKA477.6LKA477.7LKA477.8LKA477.9
distance from star:555*106 km832*106 km4060*106 km4872*106 km
radius:5707 km5725 km77245 km7701 km
mass:1487*1021 kg1501*1021 kg3687237*1021 kg3653*1021 kg
surface gravity: 3.04 m/s2
0.31 Earths
3.05 m/s2
0.31 Earths
41.2 m/s2
4.21 Earths
4.11 m/s2
0.42 Earths
escape velocity:5.897 km/s5.915 km/s79.82 km/s7.957 km/s
year: 12382 LKA477.6 days
8255 Earth days
22749 LKA477.7 days
15166 Earth days
435557 LKA477.8 days
163334 Earth days
396384 LKA477.9 days
214708 Earth days
day:16 hrs16 hrs9 hrs13 hrs
axial tilt:16°245°10°
temperature:45 K
-228 C
23 K
-250 C
1123 K
850 C
1493 K
1220 C
atmosphere:6% H2
2% He
60% N2
30% O2
2% CO2
0% other
3% H2
1% He
74% N2
22% O2
0% other
94% H2
6% He
0% other
100% other
moons:231912657
rings:00100

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