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LHB299: red supergiant star with 4 planets

  LHB299.1   LHB299.2  
LHB299.3
 
LHB299.4
 

Solar system 'LHB299' is a dual star system that comprises the stars 'LHB299.A' and 'LHB299.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 51 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'LHB299.A' and 'LHB299.B' that dominate it gravitationally. 'LHB299.A' is a red supergiant class star that contains about 88% of the system's known mass, 'LHB299.B' is a red giant class star that contains about 11% of the system's known mass.

System 'LHB299' is located more than 2073 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LHB299.1 is a very small terrestrial planet (2642 km radius) which orbits its star in 3 Earth days, one day on LHB299.1 lasts 39 Earth hours. Its average temperature is 1244 K (971 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LHB299.2 is a medium terrestrial planet (5001 km radius) which orbits its star in 125 Earth days, one day on LHB299.2 lasts 14 Earth hours. Its average temperature is 1098 K (825 C), its atmosphere mainly consists of nitrogen and it has 1 moons.
LHB299.3 is a very large terrestrial planet (9691 km radius) which orbits its star in 5454 Earth days, one day on LHB299.3 lasts 6 Earth hours. Its average temperature is 1257 K (984 C), its atmosphere mainly consists of hydrogen, helium and it has 48 moons.
LHB299.4 is a large terrestrial planet (7520 km radius) which orbits its star in 7170 Earth days, one day on LHB299.4 lasts 8 Earth hours. Its average temperature is 1626 K (1353 C), its atmosphere mainly consists of and it has 2 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LHB299.1LHB299.2LHB299.3LHB299.4
distance from star:2*106 km34*106 km421*106 km505*106 km
radius:2642 km5001 km9691 km7520 km
mass:147*1021 kg1000*1021 kg7281*1021 kg3402*1021 kg
surface gravity: 1.40 m/s2
0.14 Earths
2.66 m/s2
0.27 Earths
5.17 m/s2
0.52 Earths
4.01 m/s2
0.41 Earths
escape velocity:2.725 km/s5.166 km/s10.01 km/s7.770 km/s
year: 1 LHB299.1 days
3 Earth days
214 LHB299.2 days
125 Earth days
21816 LHB299.3 days
5454 Earth days
21510 LHB299.4 days
7170 Earth days
day:39 hrs14 hrs6 hrs8 hrs
axial tilt:26°86°26°
temperature:1244 K
971 C
1098 K
825 C
1257 K
984 C
1626 K
1353 C
atmosphere:4% H2
1% He
62% N2
33% O2
0% other
86% N2
10% O2
4% CO2
0% other
84% H2
16% He
0% other
100% other
moons:01482
rings:0078

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