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LBK493: red dwarf star with 5 planets

 
LBK493.1
  LBK493.2   LBK493.3   LBK493.4   LBK493.5  

Solar system 'LBK493' comprises the star 'LBK493' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 107 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LBK493', a red dwarf class star that contains about 99.98% of the system's known mass and dominates it gravitationally. LBK493 is located more than 4961 lightyears from the center of the galaxy.

This solar system comprises 5 planets

LBK493.1 is a medium terrestrial planet (5455 km radius) which orbits its star in 8 Earth days, one day on LBK493.1 lasts 13 Earth hours. Its average temperature is 1174 K (901 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LBK493.2 is a very large terrestrial planet (11292 km radius) which orbits its star in 420 Earth days, one day on LBK493.2 lasts 6 Earth hours. Its average temperature is 103 K (-170 C), its atmosphere mainly consists of nitrogen, oxygen and it has 14 moons.
LBK493.3 is a medium terrestrial planet (5980 km radius) which orbits its star in 771 Earth days, one day on LBK493.3 lasts 11 Earth hours. Its average temperature is 69 K (-204 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
LBK493.4 is a very large terrestrial planet (11360 km radius) which orbits its star in 1913 Earth days, one day on LBK493.4 lasts 6 Earth hours. Its average temperature is 27 K (-246 C), its atmosphere mainly consists of nitrogen, oxygen and it has 45 moons.
LBK493.5 is a large terrestrial planet (8835 km radius) which orbits its star in 3515 Earth days, one day on LBK493.5 lasts 8 Earth hours. Its average temperature is 15 K (-258 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 46 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LBK493.1LBK493.2LBK493.3LBK493.4LBK493.5
distance from star:5*106 km76*106 km114*106 km209*106 km314*106 km
radius:5455 km11292 km5980 km11360 km8835 km
mass:1298*1021 kg11518*1021 kg1710*1021 kg11728*1021 kg5517*1021 kg
surface gravity: 2.91 m/s2
0.29 Earths
6.02 m/s2
0.61 Earths
3.19 m/s2
0.32 Earths
6.06 m/s2
0.61 Earths
4.71 m/s2
0.48 Earths
escape velocity:5.635 km/s11.66 km/s6.178 km/s11.73 km/s9.129 km/s
year: 14 LBK493.1 days
8 Earth days
1680 LBK493.2 days
420 Earth days
1682 LBK493.3 days
771 Earth days
7652 LBK493.4 days
1913 Earth days
10545 LBK493.5 days
3515 Earth days
day:13 hrs6 hrs11 hrs6 hrs8 hrs
axial tilt:25°30°
temperature:1174 K
901 C
103 K
-170 C
69 K
-204 C
27 K
-246 C
15 K
-258 C
atmosphere:2% H2
1% He
61% N2
36% O2
0% other
3% H2
1% He
65% N2
30% O2
1% CO2
0% other
5% H2
1% He
57% N2
35% O2
2% CO2
0% other
5% H2
2% He
50% N2
42% O2
1% CO2
0% other
12% H2
2% He
54% N2
31% O2
1% CO2
0% other
moons:01424546
rings:60000

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