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LBD577: red dwarf star with 7 planets

  LBD577.1   LBD577.2   LBD577.3   LBD577.4  
LBD577.5
 
LBD577.6
 
LBD577.7
 

Solar system 'LBD577' comprises the star 'LBD577' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 461 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LBD577', a red dwarf class star that contains about 99.72% of the system's known mass and dominates it gravitationally. LBD577 is located more than 5076 lightyears from the center of the galaxy.

LBD577.1, the first planet in this system, may feature life forms. Its average temperature is 316K (43C) and it's atmosphere contains 40% of oxygen. One year on LBD577.1 lasts 297 days, one day lasts 13 hours. It's diameter is 12512 km, 0.9 times the diameter of the Earth.

This solar system comprises 7 planets

LBD577.1 is a medium terrestrial planet (6256 km radius) which orbits its star in 297 Earth days, one day on LBD577.1 lasts 13 Earth hours. Its average temperature is 316 K (43 C), its atmosphere mainly consists of nitrogen, oxygen and it has 10 moons.
LBD577.2 is a large terrestrial planet (8298 km radius) which orbits its star in 598 Earth days, one day on LBD577.2 lasts 10 Earth hours. Its average temperature is 249 K (-24 C), its atmosphere mainly consists of nitrogen and it has 23 moons.
LBD577.3 is a very large terrestrial planet (9911 km radius) which orbits its star in 1255 Earth days, one day on LBD577.3 lasts 9 Earth hours. Its average temperature is 139 K (-134 C), its atmosphere mainly consists of nitrogen, oxygen and it has 22 moons.
LBD577.4 is a very large terrestrial planet (10285 km radius) which orbits its star in 2306 Earth days, one day on LBD577.4 lasts 9 Earth hours. Its average temperature is 82 K (-191 C), its atmosphere mainly consists of nitrogen, oxygen and it has 23 moons.
LBD577.5 is a medium gas giant (26875 km radius) which orbits its star in 29368 Earth days, one day on LBD577.5 lasts 7 Earth hours. Its average temperature is 1198 K (925 C), its atmosphere mainly consists of hydrogen and it has 152 moons.
LBD577.6 is a medium gas giant (30395 km radius) which orbits its star in 53953 Earth days, one day on LBD577.6 lasts 7 Earth hours. Its average temperature is 1561 K (1288 C), its atmosphere mainly consists of hydrogen, helium and it has 125 moons.
LBD577.7 is a large gas giant (68283 km radius) which orbits its star in 184819 Earth days, one day on LBD577.7 lasts 7 Earth hours. Its average temperature is 1838 K (1565 C), its atmosphere mainly consists of hydrogen, helium and it has 106 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LBD577.1LBD577.2LBD577.3LBD577.4LBD577.5
distance from star:60*106 km96*106 km158*106 km237*106 km1293*106 km
radius:6256 km8298 km9911 km10285 km26875 km
mass:1958*1021 kg4570*1021 kg7788*1021 kg8703*1021 kg155287*1021 kg
surface gravity: 3.33 m/s2
0.34 Earths
4.42 m/s2
0.45 Earths
5.29 m/s2
0.54 Earths
5.49 m/s2
0.56 Earths
14.3 m/s2
1.46 Earths
escape velocity:6.463 km/s8.574 km/s10.24 km/s10.62 km/s27.77 km/s
year: 548 LBD577.1 days
297 Earth days
1435 LBD577.2 days
598 Earth days
3346 LBD577.3 days
1255 Earth days
6149 LBD577.4 days
2306 Earth days
100690 LBD577.5 days
29368 Earth days
day:13 hrs10 hrs9 hrs9 hrs7 hrs
axial tilt:181°205°27°
temperature:316 K
43 C
249 K
-24 C
139 K
-134 C
82 K
-191 C
1198 K
925 C
atmosphere:58% N2
40% O2
2% CO2
0% other
90% N2
8% O2
2% CO2
0% other
2% H2
1% He
79% N2
16% O2
2% CO2
0% other
52% N2
48% O2
0% other
98% H2
2% He
0% other
moons:10232223152
rings:00008

planet:LBD577.6LBD577.7
distance from star:1940*106 km4409*106 km
radius:30395 km68283 km
mass:224644*1021 kg2546993*1021 kg
surface gravity: 16.2 m/s2
1.65 Earths
36.4 m/s2
3.72 Earths
escape velocity:31.40 km/s70.56 km/s
year: 184981 LBD577.6 days
53953 Earth days
633665 LBD577.7 days
184819 Earth days
day:7 hrs7 hrs
axial tilt:63°
temperature:1561 K
1288 C
1838 K
1565 C
atmosphere:83% H2
17% He
0% other
77% H2
23% He
0% other
moons:125106
rings:823

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