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LDH429: red dwarf star with 4 planets

  LDH429.1   LDH429.2  
LDH429.3
 
LDH429.4
 

Solar system 'LDH429' comprises the star 'LDH429' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 262 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LDH429', a red dwarf class star that contains about 99.98% of the system's known mass and dominates it gravitationally. LDH429 is located more than 3830 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LDH429.1 is a small terrestrial planet (4308 km radius) which orbits its star in 69 Earth days, one day on LDH429.1 lasts 17 Earth hours. Its average temperature is 1699 K (1426 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
LDH429.2 is a small terrestrial planet (4635 km radius) which orbits its star in 322 Earth days, one day on LDH429.2 lasts 15 Earth hours. Its average temperature is 437 K (164 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 1 moons.
LDH429.3 is a medium gas giant (25625 km radius) which orbits its star in 17630 Earth days, one day on LDH429.3 lasts 4 Earth hours. Its average temperature is 1066 K (793 C), its atmosphere mainly consists of hydrogen and it has 145 moons.
LDH429.4 is a huge terrestrial planet (12819 km radius) which orbits its star in 32649 Earth days, one day on LDH429.4 lasts 5 Earth hours. Its average temperature is 1676 K (1403 C), its atmosphere mainly consists of hydrogen, helium and it has 116 moons.
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Planetary Orbits

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Planetary Statistics

planet:LDH429.1LDH429.2LDH429.3LDH429.4
distance from star:22*106 km63*106 km920*106 km1388*106 km
radius:4308 km4635 km25625 km12819 km
mass:639*1021 kg796*1021 kg134611*1021 kg16852*1021 kg
surface gravity: 2.29 m/s2
0.23 Earths
2.47 m/s2
0.25 Earths
13.6 m/s2
1.39 Earths
6.84 m/s2
0.69 Earths
escape velocity:4.449 km/s4.787 km/s26.48 km/s13.24 km/s
year: 97 LDH429.1 days
69 Earth days
515 LDH429.2 days
322 Earth days
105780 LDH429.3 days
17630 Earth days
156715 LDH429.4 days
32649 Earth days
day:17 hrs15 hrs4 hrs5 hrs
axial tilt:22°28°
temperature:1699 K
1426 C
437 K
164 C
1066 K
793 C
1676 K
1403 C
atmosphere:87% N2
10% O2
3% CO2
0% other
20% H2
3% He
29% N2
47% O2
1% CO2
0% other
95% H2
5% He
0% other
78% H2
22% He
0% other
moons:01145116
rings:001015

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