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LDA858: red dwarf star with 4 planets

  LDA858.1   LDA858.2   LDA858.3   LDA858.4  

Solar system 'LDA858' comprises the star 'LDA858' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 38 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LDA858', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. LDA858 is located more than 4967 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LDA858.1 is a very large terrestrial planet (9331 km radius) which orbits its star in 149 Earth days, one day on LDA858.1 lasts 6 Earth hours. Its average temperature is 168 K (-105 C), its atmosphere mainly consists of nitrogen, oxygen and it has 15 moons.
LDA858.2 is a very large terrestrial planet (11400 km radius) which orbits its star in 275 Earth days, one day on LDA858.2 lasts 5 Earth hours. Its average temperature is 149 K (-124 C), its atmosphere mainly consists of nitrogen, oxygen and it has 12 moons.
LDA858.3 is a large terrestrial planet (7979 km radius) which orbits its star in 886 Earth days, one day on LDA858.3 lasts 7 Earth hours. Its average temperature is 47 K (-226 C), its atmosphere mainly consists of nitrogen, oxygen and it has 11 moons.
LDA858.4 is a very small terrestrial planet (2157 km radius) which orbits its star in 1628 Earth days, one day on LDA858.4 lasts 57 Earth hours. Its average temperature is 27 K (-246 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 0 moons.
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Planetary Orbits

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Planetary Statistics

planet:LDA858.1LDA858.2LDA858.3LDA858.4
distance from star:38*106 km57*106 km125*106 km188*106 km
radius:9331 km11400 km7979 km2157 km
mass:6499*1021 kg11852*1021 kg4063*1021 kg80*1021 kg
surface gravity: 4.98 m/s2
0.50 Earths
6.08 m/s2
0.62 Earths
4.25 m/s2
0.43 Earths
1.14 m/s2
0.11 Earths
escape velocity:9.642 km/s11.78 km/s8.244 km/s2.225 km/s
year: 596 LDA858.1 days
149 Earth days
1320 LDA858.2 days
275 Earth days
3037 LDA858.3 days
886 Earth days
685 LDA858.4 days
1628 Earth days
day:6 hrs5 hrs7 hrs57 hrs
axial tilt:20°27°18°17°
temperature:168 K
-105 C
149 K
-124 C
47 K
-226 C
27 K
-246 C
atmosphere:4% H2
2% He
55% N2
38% O2
1% CO2
0% other
2% H2
1% He
75% N2
20% O2
2% CO2
0% other
62% N2
36% O2
2% CO2
0% other
62% N2
1% O2
37% CO2
0% other
moons:1512110
rings:0000

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