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LAD273: red dwarf star with 4 planets

  LAD273.1   LAD273.2   LAD273.3   LAD273.4  

Solar system 'LAD273' comprises the star 'LAD273' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 316 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LAD273', a red dwarf class star that contains about 99.61% of the system's known mass and dominates it gravitationally. LAD273 is located more than 5448 lightyears from the center of the galaxy.

This solar system comprises 4 planets

LAD273.1 is a large terrestrial planet (7817 km radius) which orbits its star in 122 Earth days, one day on LAD273.1 lasts 8 Earth hours. Its average temperature is 987 K (714 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
LAD273.2 is a very small terrestrial planet (2412 km radius) which orbits its star in 249 Earth days, one day on LAD273.2 lasts 47 Earth hours. Its average temperature is 763 K (490 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
LAD273.3 is a large gas giant (65802 km radius) which orbits its star in 51088 Earth days, one day on LAD273.3 lasts 4 Earth hours. Its average temperature is 1671 K (1398 C), its atmosphere mainly consists of hydrogen, helium and it has 177 moons.
LAD273.4 is a large gas giant (60016 km radius) which orbits its star in 116530 Earth days, one day on LAD273.4 lasts 4 Earth hours. Its average temperature is 1042 K (769 C), its atmosphere mainly consists of hydrogen, helium and it has 136 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LAD273.1LAD273.2LAD273.3LAD273.4
distance from star:33*106 km53*106 km1871*106 km3242*106 km
radius:7817 km2412 km65802 km60016 km
mass:3821*1021 kg112*1021 kg2279330*1021 kg1729382*1021 kg
surface gravity: 4.17 m/s2
0.42 Earths
1.28 m/s2
0.13 Earths
35.1 m/s2
3.58 Earths
32.0 m/s2
3.27 Earths
escape velocity:8.077 km/s2.489 km/s67.99 km/s62.01 km/s
year: 366 LAD273.1 days
122 Earth days
127 LAD273.2 days
249 Earth days
306528 LAD273.3 days
51088 Earth days
699180 LAD273.4 days
116530 Earth days
day:8 hrs47 hrs4 hrs4 hrs
axial tilt:
temperature:987 K
714 C
763 K
490 C
1671 K
1398 C
1042 K
769 C
atmosphere:4% H2
1% He
68% N2
24% O2
3% CO2
0% other
3% H2
1% He
57% N2
38% O2
1% CO2
0% other
87% H2
13% He
0% other
83% H2
17% He
0% other
moons:30177136
rings:0000

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