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LDH428: yellow dwarf star with 5 planets

 
LDH428.1
  LDH428.2   LDH428.3  
LDH428.4
 
LDH428.5
 

Solar system 'LDH428' comprises the star 'LDH428' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 288 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LDH428', a yellow dwarf class star that contains about 99.82% of the system's known mass and dominates it gravitationally. LDH428 is located more than 3830 lightyears from the center of the galaxy.

This solar system comprises 5 planets

LDH428.1 is a very large terrestrial planet (11166 km radius) which orbits its star in 417 Earth days, one day on LDH428.1 lasts 7 Earth hours. Its average temperature is 402 K (129 C), its atmosphere mainly consists of nitrogen, oxygen and it has 10 moons.
LDH428.2 is a small terrestrial planet (3131 km radius) which orbits its star in 767 Earth days, one day on LDH428.2 lasts 30 Earth hours. Its average temperature is 357 K (84 C), its atmosphere mainly consists of nitrogen and it has 1 moons.
LDH428.3 is a medium terrestrial planet (6687 km radius) which orbits its star in 1409 Earth days, one day on LDH428.3 lasts 10 Earth hours. Its average temperature is 238 K (-35 C), its atmosphere mainly consists of nitrogen, oxygen and it has 35 moons.
LDH428.4 is a large gas giant (53264 km radius) which orbits its star in 62408 Earth days, one day on LDH428.4 lasts 5 Earth hours. Its average temperature is 1471 K (1198 C), its atmosphere mainly consists of hydrogen, helium and it has 105 moons.
LDH428.5 is a large gas giant (67818 km radius) which orbits its star in 181722 Earth days, one day on LDH428.5 lasts 5 Earth hours. Its average temperature is 1794 K (1521 C), its atmosphere mainly consists of hydrogen and it has 137 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LDH428.1LDH428.2LDH428.3LDH428.4LDH428.5
distance from star:75*106 km113*106 km170*106 km2138*106 km4360*106 km
radius:11166 km3131 km6687 km53264 km67818 km
mass:11137*1021 kg245*1021 kg2392*1021 kg1208902*1021 kg2495312*1021 kg
surface gravity: 5.96 m/s2
0.60 Earths
1.66 m/s2
0.16 Earths
3.57 m/s2
0.36 Earths
28.4 m/s2
2.90 Earths
36.2 m/s2
3.70 Earths
escape velocity:11.53 km/s3.231 km/s6.910 km/s55.04 km/s70.08 km/s
year: 1429 LDH428.1 days
417 Earth days
613 LDH428.2 days
767 Earth days
3381 LDH428.3 days
1409 Earth days
299558 LDH428.4 days
62408 Earth days
872265 LDH428.5 days
181722 Earth days
day:7 hrs30 hrs10 hrs5 hrs5 hrs
axial tilt:19°
temperature:402 K
129 C
357 K
84 C
238 K
-35 C
1471 K
1198 C
1794 K
1521 C
atmosphere:1% H2
1% He
62% N2
36% O2
0% other
92% N2
8% O2
0% other
7% H2
3% He
43% N2
46% O2
1% CO2
0% other
86% H2
14% He
0% other
96% H2
4% He
0% other
moons:10135105137
rings:3001216

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