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LDE275: red dwarf star with 8 planets

  LDE275.1   LDE275.2   LDE275.3   LDE275.4   LDE275.5  
LDE275.6
  LDE275.7   LDE275.8  

Solar system 'LDE275' comprises the star 'LDE275' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 527 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LDE275', a red dwarf class star that contains about 98.29% of the system's known mass and dominates it gravitationally. LDE275 is located more than 3550 lightyears from the center of the galaxy.

This solar system comprises 8 planets

LDE275.1 is a very large terrestrial planet (11753 km radius) which orbits its star in 169 Earth days, one day on LDE275.1 lasts 9 Earth hours. Its average temperature is 173 K (-100 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 33 moons.
LDE275.2 is a very large terrestrial planet (9980 km radius) which orbits its star in 571 Earth days, one day on LDE275.2 lasts 10 Earth hours. Its average temperature is 68 K (-205 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
LDE275.3 is a medium terrestrial planet (6693 km radius) which orbits its star in 1049 Earth days, one day on LDE275.3 lasts 13 Earth hours. Its average temperature is 45 K (-228 C), its atmosphere mainly consists of nitrogen, oxygen and it has 31 moons.
LDE275.4 is a medium terrestrial planet (6315 km radius) which orbits its star in 1928 Earth days, one day on LDE275.4 lasts 14 Earth hours. Its average temperature is 27 K (-246 C), its atmosphere mainly consists of nitrogen and it has 18 moons.
LDE275.5 is a large terrestrial planet (8535 km radius) which orbits its star in 3542 Earth days, one day on LDE275.5 lasts 11 Earth hours. Its average temperature is 15 K (-258 C), its atmosphere mainly consists of nitrogen and it has 37 moons.
LDE275.6 is a medium gas giant (21171 km radius) which orbits its star in 31659 Earth days, one day on LDE275.6 lasts 8 Earth hours. Its average temperature is 1608 K (1335 C), its atmosphere mainly consists of hydrogen, helium and it has 99 moons.
LDE275.7 is a large gas giant (65555 km radius) which orbits its star in 86033 Earth days, one day on LDE275.7 lasts 8 Earth hours. Its average temperature is 1015 K (742 C), its atmosphere mainly consists of hydrogen, helium and it has 126 moons.
LDE275.8 is a large gas giant (67861 km radius) which orbits its star in 204879 Earth days, one day on LDE275.8 lasts 8 Earth hours. Its average temperature is 1320 K (1047 C), its atmosphere mainly consists of hydrogen and it has 164 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:LDE275.1LDE275.2LDE275.3LDE275.4LDE275.5
distance from star:41*106 km93*106 km140*106 km210*106 km315*106 km
radius:11753 km9980 km6693 km6315 km8535 km
mass:12987*1021 kg7952*1021 kg2398*1021 kg2014*1021 kg4973*1021 kg
surface gravity: 6.27 m/s2
0.64 Earths
5.32 m/s2
0.54 Earths
3.57 m/s2
0.36 Earths
3.37 m/s2
0.34 Earths
4.55 m/s2
0.46 Earths
escape velocity:12.14 km/s10.31 km/s6.915 km/s6.524 km/s8.819 km/s
year: 450 LDE275.1 days
169 Earth days
1370 LDE275.2 days
571 Earth days
1936 LDE275.3 days
1049 Earth days
3305 LDE275.4 days
1928 Earth days
7728 LDE275.5 days
3542 Earth days
day:9 hrs10 hrs13 hrs14 hrs11 hrs
axial tilt:65°27°235°150°
temperature:173 K
-100 C
68 K
-205 C
45 K
-228 C
27 K
-246 C
15 K
-258 C
atmosphere:29% N2
71% CO2
0% other
9% H2
4% He
41% N2
45% O2
1% CO2
0% other
81% N2
18% O2
1% CO2
0% other
87% N2
6% O2
7% CO2
0% other
89% N2
6% O2
5% CO2
0% other
moons:3319311837
rings:00000

planet:LDE275.6LDE275.7LDE275.8
distance from star:1360*106 km2648*106 km4723*106 km
radius:21171 km65555 km67861 km
mass:75912*1021 kg2253758*1021 kg2500061*1021 kg
surface gravity: 11.3 m/s2
1.15 Earths
35.0 m/s2
3.57 Earths
36.2 m/s2
3.70 Earths
escape velocity:21.87 km/s67.74 km/s70.12 km/s
year: 94977 LDE275.6 days
31659 Earth days
258099 LDE275.7 days
86033 Earth days
614637 LDE275.8 days
204879 Earth days
day:8 hrs8 hrs8 hrs
axial tilt:
temperature:1608 K
1335 C
1015 K
742 C
1320 K
1047 C
atmosphere:80% H2
20% He
0% other
85% H2
15% He
0% other
95% H2
5% He
0% other
moons:99126164
rings:400

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