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RHD664: red dwarf star with 8 planets

  RHD664.1  
RHD664.2
 
RHD664.3
  RHD664.4  
RHD664.5
 
RHD664.6
 
RHD664.7
 
RHD664.8
 

Solar system 'RHD664' comprises the star 'RHD664' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 364 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'RHD664', a red dwarf class star that contains about 99.72% of the system's known mass and dominates it gravitationally. RHD664 is located more than 4301 lightyears from the center of the galaxy.

RHD664.2, the second planet in this system, may feature life forms. Its average temperature is 274K (1C) and it's atmosphere contains 26% of oxygen. One year on RHD664.2 lasts 321 days, one day lasts 16 hours. It's diameter is 10660 km, 0.8 times the diameter of the Earth.

This solar system comprises 8 planets

RHD664.1 is a large terrestrial planet (8110 km radius) which orbits its star in 93 Earth days, one day on RHD664.1 lasts 11 Earth hours. Its average temperature is 716 K (443 C), its atmosphere mainly consists of nitrogen, oxygen and it has 6 moons.
RHD664.2 is a medium terrestrial planet (5330 km radius) which orbits its star in 321 Earth days, one day on RHD664.2 lasts 16 Earth hours. Its average temperature is 274 K (1 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
RHD664.3 is a medium terrestrial planet (5444 km radius) which orbits its star in 590 Earth days, one day on RHD664.3 lasts 16 Earth hours. Its average temperature is 183 K (-90 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 1 moons.
RHD664.4 is a very small terrestrial planet (2133 km radius) which orbits its star in 1085 Earth days, one day on RHD664.4 lasts 63 Earth hours. Its average temperature is 108 K (-165 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
RHD664.5 is a large gas giant (53627 km radius) which orbits its star in 30954 Earth days, one day on RHD664.5 lasts 8 Earth hours. Its average temperature is 1111 K (838 C), its atmosphere mainly consists of hydrogen and it has 115 moons.
RHD664.6 is a huge terrestrial planet (12707 km radius) which orbits its star in 56866 Earth days, one day on RHD664.6 lasts 9 Earth hours. Its average temperature is 1213 K (940 C), its atmosphere mainly consists of hydrogen and it has 77 moons.
RHD664.7 is a medium gas giant (27661 km radius) which orbits its star in 104469 Earth days, one day on RHD664.7 lasts 8 Earth hours. Its average temperature is 1048 K (775 C), its atmosphere mainly consists of hydrogen and it has 110 moons.
RHD664.8 is a medium terrestrial planet (5439 km radius) which orbits its star in 137329 Earth days, one day on RHD664.8 lasts 16 Earth hours. Its average temperature is 1336 K (1063 C), its atmosphere mainly consists of and it has 50 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:RHD664.1RHD664.2RHD664.3RHD664.4RHD664.5
distance from star:27*106 km63*106 km95*106 km143*106 km1339*106 km
radius:8110 km5330 km5444 km2133 km53627 km
mass:4267*1021 kg1211*1021 kg1290*1021 kg77*1021 kg1233787*1021 kg
surface gravity: 4.32 m/s2
0.44 Earths
2.84 m/s2
0.29 Earths
2.90 m/s2
0.29 Earths
1.12 m/s2
0.11 Earths
28.6 m/s2
2.92 Earths
escape velocity:8.380 km/s5.507 km/s5.624 km/s2.195 km/s55.41 km/s
year: 202 RHD664.1 days
93 Earth days
481 RHD664.2 days
321 Earth days
885 RHD664.3 days
590 Earth days
413 RHD664.4 days
1085 Earth days
92862 RHD664.5 days
30954 Earth days
day:11 hrs16 hrs16 hrs63 hrs8 hrs
axial tilt:30°18°25°
temperature:716 K
443 C
274 K
1 C
183 K
-90 C
108 K
-165 C
1111 K
838 C
atmosphere:3% H2
1% He
56% N2
40% O2
0% other
3% H2
1% He
67% N2
26% O2
3% CO2
0% other
17% H2
3% He
40% N2
40% O2
0% other
75% N2
25% O2
0% other
96% H2
4% He
0% other
moons:6510115
rings:061024

planet:RHD664.6RHD664.7RHD664.8
distance from star:2009*106 km3014*106 km3617*106 km
radius:12707 km27661 km5439 km
mass:16414*1021 kg169314*1021 kg1287*1021 kg
surface gravity: 6.78 m/s2
0.69 Earths
14.7 m/s2
1.50 Earths
2.90 m/s2
0.29 Earths
escape velocity:13.13 km/s28.58 km/s5.620 km/s
year: 151642 RHD664.6 days
56866 Earth days
313407 RHD664.7 days
104469 Earth days
205993 RHD664.8 days
137329 Earth days
day:9 hrs8 hrs16 hrs
axial tilt:27°
temperature:1213 K
940 C
1048 K
775 C
1336 K
1063 C
atmosphere:96% H2
4% He
0% other
97% H2
3% He
0% other
100% other
moons:7711050
rings:23136

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