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LDD993: yellow giant star with 4 planets

  LDD993.1   LDD993.2   LDD993.3  
LDD993.4
 

Solar system 'LDD993' comprises the star 'LDD993' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 237 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LDD993', a yellow giant class star that contains about 99.99% of the system's known mass and dominates it gravitationally. LDD993 is located more than 5145 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LDD993.1 is a very small terrestrial planet (2695 km radius) which orbits its star in 30 Earth days, one day on LDD993.1 lasts 38 Earth hours. Its average temperature is 1475 K (1202 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LDD993.2 is a small terrestrial planet (3023 km radius) which orbits its star in 85 Earth days, one day on LDD993.2 lasts 31 Earth hours. Its average temperature is 1459 K (1186 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LDD993.3 is a large gas giant (48457 km radius) which orbits its star in 7033 Earth days, one day on LDD993.3 lasts 4 Earth hours. Its average temperature is 1066 K (793 C), its atmosphere mainly consists of hydrogen, helium and it has 151 moons.
LDD993.4 is a large gas giant (48120 km radius) which orbits its star in 95617 Earth days, one day on LDD993.4 lasts 4 Earth hours. Its average temperature is 1762 K (1489 C), its atmosphere mainly consists of hydrogen and it has 86 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LDD993.1LDD993.2LDD993.3LDD993.4
distance from star:13*106 km26*106 km498*106 km2841*106 km
radius:2695 km3023 km48457 km48120 km
mass:156*1021 kg221*1021 kg910247*1021 kg891388*1021 kg
surface gravity: 1.43 m/s2
0.14 Earths
1.61 m/s2
0.16 Earths
25.8 m/s2
2.63 Earths
25.6 m/s2
2.61 Earths
escape velocity:2.779 km/s3.123 km/s50.07 km/s49.72 km/s
year: 18 LDD993.1 days
30 Earth days
65 LDD993.2 days
85 Earth days
42198 LDD993.3 days
7033 Earth days
573702 LDD993.4 days
95617 Earth days
day:38 hrs31 hrs4 hrs4 hrs
axial tilt:21°169°
temperature:1475 K
1202 C
1459 K
1186 C
1066 K
793 C
1762 K
1489 C
atmosphere:66% N2
33% O2
1% CO2
0% other
1% He
75% N2
22% O2
2% CO2
0% other
83% H2
17% He
0% other
91% H2
9% He
0% other
moons:0015186
rings:00019

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