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LAH729: red dwarf star with 4 planets

  LAH729.1   LAH729.2  
LAH729.3
 
LAH729.4
 

Solar system 'LAH729' comprises the star 'LAH729' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 129 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LAH729', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. LAH729 is located more than 5392 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LAH729.1 is a small terrestrial planet (4312 km radius) which orbits its star in 127 Earth days, one day on LAH729.1 lasts 17 Earth hours. Its average temperature is 1031 K (758 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 0 moons.
LAH729.2 is a very small terrestrial planet (2661 km radius) which orbits its star in 234 Earth days, one day on LAH729.2 lasts 39 Earth hours. Its average temperature is 916 K (643 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LAH729.3 is a very large terrestrial planet (10859 km radius) which orbits its star in 3007 Earth days, one day on LAH729.3 lasts 6 Earth hours. Its average temperature is 1008 K (735 C), its atmosphere mainly consists of hydrogen, helium and it has 85 moons.
LAH729.4 is a massive terrestrial planet (16431 km radius) which orbits its star in 22074 Earth days, one day on LAH729.4 lasts 4 Earth hours. Its average temperature is 1915 K (1642 C), its atmosphere mainly consists of hydrogen, helium and it has 44 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LAH729.1LAH729.2LAH729.3LAH729.4
distance from star:34*106 km51*106 km283*106 km1069*106 km
radius:4312 km2661 km10859 km16431 km
mass:641*1021 kg150*1021 kg10243*1021 kg35488*1021 kg
surface gravity: 2.30 m/s2
0.23 Earths
1.41 m/s2
0.14 Earths
5.79 m/s2
0.59 Earths
8.77 m/s2
0.89 Earths
escape velocity:4.454 km/s2.743 km/s11.22 km/s16.97 km/s
year: 179 LAH729.1 days
127 Earth days
144 LAH729.2 days
234 Earth days
12028 LAH729.3 days
3007 Earth days
132444 LAH729.4 days
22074 Earth days
day:17 hrs39 hrs6 hrs4 hrs
axial tilt:15°
temperature:1031 K
758 C
916 K
643 C
1008 K
735 C
1915 K
1642 C
atmosphere:75% N2
1% O2
24% CO2
0% other
52% N2
47% O2
1% CO2
0% other
89% H2
11% He
0% other
76% H2
24% He
0% other
moons:008544
rings:001114

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