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LAA687: neutron star star with 7 planets

 
LAA687.1
  LAA687.2  
LAA687.3
  LAA687.4  
LAA687.5
 
LAA687.6
  LAA687.7  

Solar system 'LAA687' comprises the star 'LAA687' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 441 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'LAA687', a neutron star class star that contains about 99.85% of the system's known mass and dominates it gravitationally. LAA687 is located more than 5138 lightyears from the center of the galaxy.

This solar system comprises 7 planets

LAA687.1 is a large terrestrial planet (7603 km radius) which orbits its star in 220 Earth days, one day on LAA687.1 lasts 11 Earth hours. Its average temperature is 1586 K (1313 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
LAA687.2 is a large terrestrial planet (8461 km radius) which orbits its star in 848 Earth days, one day on LAA687.2 lasts 10 Earth hours. Its average temperature is 527 K (254 C), its atmosphere mainly consists of nitrogen, oxygen and it has 46 moons.
LAA687.3 is a very large terrestrial planet (11071 km radius) which orbits its star in 1558 Earth days, one day on LAA687.3 lasts 9 Earth hours. Its average temperature is 351 K (78 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 19 moons.
LAA687.4 is a medium gas giant (28821 km radius) which orbits its star in 22107 Earth days, one day on LAA687.4 lasts 7 Earth hours. Its average temperature is 1339 K (1066 C), its atmosphere mainly consists of hydrogen, helium and it has 100 moons.
LAA687.5 is a large gas giant (51638 km radius) which orbits its star in 74776 Earth days, one day on LAA687.5 lasts 7 Earth hours. Its average temperature is 1040 K (767 C), its atmosphere mainly consists of hydrogen, helium and it has 101 moons.
LAA687.6 is a large gas giant (79953 km radius) which orbits its star in 182526 Earth days, one day on LAA687.6 lasts 7 Earth hours. Its average temperature is 1151 K (878 C), its atmosphere mainly consists of hydrogen, helium and it has 114 moons.
LAA687.7 is a medium terrestrial planet (5601 km radius) which orbits its star in 239937 Earth days, one day on LAA687.7 lasts 14 Earth hours. Its average temperature is 1699 K (1426 C), its atmosphere mainly consists of and it has 58 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:LAA687.1LAA687.2LAA687.3LAA687.4LAA687.5
distance from star:49*106 km121*106 km182*106 km1070*106 km2412*106 km
radius:7603 km8461 km11071 km28821 km51638 km
mass:3515*1021 kg4845*1021 kg10855*1021 kg191521*1021 kg1101534*1021 kg
surface gravity: 4.05 m/s2
0.41 Earths
4.51 m/s2
0.46 Earths
5.91 m/s2
0.60 Earths
15.3 m/s2
1.56 Earths
27.5 m/s2
2.81 Earths
escape velocity:7.855 km/s8.742 km/s11.44 km/s29.78 km/s53.36 km/s
year: 480 LAA687.1 days
220 Earth days
2035 LAA687.2 days
848 Earth days
4154 LAA687.3 days
1558 Earth days
75795 LAA687.4 days
22107 Earth days
256374 LAA687.5 days
74776 Earth days
day:11 hrs10 hrs9 hrs7 hrs7 hrs
axial tilt:241°30°
temperature:1586 K
1313 C
527 K
254 C
351 K
78 C
1339 K
1066 C
1040 K
767 C
atmosphere:2% H2
1% He
75% N2
19% O2
3% CO2
0% other
63% N2
35% O2
2% CO2
0% other
25% H2
4% He
26% N2
45% O2
0% other
83% H2
17% He
0% other
83% H2
17% He
0% other
moons:34619100101
rings:404023

planet:LAA687.6LAA687.7
distance from star:4372*106 km5247*106 km
radius:79953 km5601 km
mass:4088785*1021 kg1405*1021 kg
surface gravity: 42.6 m/s2
4.35 Earths
2.98 m/s2
0.30 Earths
escape velocity:82.62 km/s5.786 km/s
year: 625803 LAA687.6 days
182526 Earth days
411320 LAA687.7 days
239937 Earth days
day:7 hrs14 hrs
axial tilt:70°
temperature:1151 K
878 C
1699 K
1426 C
atmosphere:85% H2
15% He
0% other
100% other
moons:11458
rings:190

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