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LJH691: red supergiant star with 9 planets

  LJH691.1   LJH691.2   LJH691.3   LJH691.4   LJH691.5   LJH691.6  
LJH691.7
 
LJH691.8
  LJH691.9  

Solar system 'LJH691' comprises the star 'LJH691' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 278 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LJH691', a red supergiant class star that contains about 99.99% of the system's known mass and dominates it gravitationally. LJH691 is located more than 2031 lightyears from the center of the galaxy.

This solar system comprises 9 planets

LJH691.1 is a medium terrestrial planet (5248 km radius) which orbits its star in 36 Earth days, one day on LJH691.1 lasts 18 Earth hours. Its average temperature is 1664 K (1391 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LJH691.2 is a medium terrestrial planet (5666 km radius) which orbits its star in 203 Earth days, one day on LJH691.2 lasts 16 Earth hours. Its average temperature is 1324 K (1051 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
LJH691.3 is a large terrestrial planet (7539 km radius) which orbits its star in 630 Earth days, one day on LJH691.3 lasts 13 Earth hours. Its average temperature is 1762 K (1489 C), its atmosphere mainly consists of nitrogen, oxygen and it has 8 moons.
LJH691.4 is a medium terrestrial planet (5750 km radius) which orbits its star in 1158 Earth days, one day on LJH691.4 lasts 16 Earth hours. Its average temperature is 1044 K (771 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
LJH691.5 is a medium terrestrial planet (5959 km radius) which orbits its star in 2129 Earth days, one day on LJH691.5 lasts 16 Earth hours. Its average temperature is 1160 K (887 C), its atmosphere mainly consists of nitrogen, oxygen and it has 10 moons.
LJH691.6 is a very large terrestrial planet (11200 km radius) which orbits its star in 3911 Earth days, one day on LJH691.6 lasts 10 Earth hours. Its average temperature is 1238 K (965 C), its atmosphere mainly consists of nitrogen, oxygen and it has 36 moons.
LJH691.7 is a medium terrestrial planet (6876 km radius) which orbits its star in 7186 Earth days, one day on LJH691.7 lasts 14 Earth hours. Its average temperature is 1359 K (1086 C), its atmosphere mainly consists of hydrogen and it has 119 moons.
LJH691.8 is a large terrestrial planet (8674 km radius) which orbits its star in 13201 Earth days, one day on LJH691.8 lasts 12 Earth hours. Its average temperature is 1706 K (1433 C), its atmosphere mainly consists of hydrogen, helium and it has 76 moons.
LJH691.9 is a large terrestrial planet (8306 km radius) which orbits its star in 17353 Earth days, one day on LJH691.9 lasts 12 Earth hours. Its average temperature is 1824 K (1551 C), its atmosphere mainly consists of and it has 23 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LJH691.1LJH691.2LJH691.3LJH691.4LJH691.5
distance from star:14*106 km47*106 km99*106 km149*106 km224*106 km
radius:5248 km5666 km7539 km5750 km5959 km
mass:1156*1021 kg1455*1021 kg3427*1021 kg1520*1021 kg1692*1021 kg
surface gravity: 2.80 m/s2
0.28 Earths
3.02 m/s2
0.30 Earths
4.02 m/s2
0.41 Earths
3.06 m/s2
0.31 Earths
3.18 m/s2
0.32 Earths
escape velocity:5.422 km/s5.854 km/s7.789 km/s5.940 km/s6.156 km/s
year: 48 LJH691.1 days
36 Earth days
304 LJH691.2 days
203 Earth days
1163 LJH691.3 days
630 Earth days
1737 LJH691.4 days
1158 Earth days
3193 LJH691.5 days
2129 Earth days
day:18 hrs16 hrs13 hrs16 hrs16 hrs
axial tilt:24°13°173°25°27°
temperature:1664 K
1391 C
1324 K
1051 C
1762 K
1489 C
1044 K
771 C
1160 K
887 C
atmosphere:60% N2
38% O2
2% CO2
0% other
86% N2
12% O2
2% CO2
0% other
1% H2
1% He
80% N2
17% O2
1% CO2
0% other
64% N2
34% O2
2% CO2
0% other
81% N2
15% O2
4% CO2
0% other
moons:058110
rings:00000

planet:LJH691.6LJH691.7LJH691.8LJH691.9
distance from star:337*106 km506*106 km759*106 km910*106 km
radius:11200 km6876 km8674 km8306 km
mass:11239*1021 kg2600*1021 kg5220*1021 kg4584*1021 kg
surface gravity: 5.97 m/s2
0.61 Earths
3.67 m/s2
0.37 Earths
4.63 m/s2
0.47 Earths
4.43 m/s2
0.45 Earths
escape velocity:11.57 km/s7.104 km/s8.962 km/s8.583 km/s
year: 9386 LJH691.6 days
3911 Earth days
12318 LJH691.7 days
7186 Earth days
26402 LJH691.8 days
13201 Earth days
34706 LJH691.9 days
17353 Earth days
day:10 hrs14 hrs12 hrs12 hrs
axial tilt:13°33°23°
temperature:1238 K
965 C
1359 K
1086 C
1706 K
1433 C
1824 K
1551 C
atmosphere:73% N2
25% O2
2% CO2
0% other
92% H2
8% He
0% other
85% H2
15% He
0% other
100% other
moons:361197623
rings:022220

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