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NGC547: red dwarf star with 8 planets

  NGC547.1   NGC547.2   NGC547.3  
NGC547.4
 
NGC547.5
 
NGC547.6
 
NGC547.7
 
NGC547.8
 

Solar system 'NGC547' comprises the star 'NGC547' and the retinue of celestial objects gravitationally bound to it: 8 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 'NGC547', a red dwarf class star that contains about 99.62% of the system's known mass and dominates it gravitationally. NGC547 is located more than 1397 lightyears from the center of the galaxy.

This solar system comprises 8 planets

NGC547.1 is a large terrestrial planet (7411 km radius) which orbits its star in 6 Earth days, one day on NGC547.1 lasts 12 Earth hours. Its average temperature is 1511 K (1238 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
NGC547.2 is a large terrestrial planet (8056 km radius) which orbits its star in 132 Earth days, one day on NGC547.2 lasts 11 Earth hours. Its average temperature is 1613 K (1340 C), its atmosphere mainly consists of nitrogen, oxygen and it has 12 moons.
NGC547.3 is a very large terrestrial planet (9300 km radius) which orbits its star in 244 Earth days, one day on NGC547.3 lasts 10 Earth hours. Its average temperature is 1075 K (802 C), its atmosphere mainly consists of nitrogen, oxygen and it has 9 moons.
NGC547.4 is a small terrestrial planet (4561 km radius) which orbits its star in 448 Earth days, one day on NGC547.4 lasts 20 Earth hours. Its average temperature is 637 K (364 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
NGC547.5 is a huge terrestrial planet (14678 km radius) which orbits its star in 8107 Earth days, one day on NGC547.5 lasts 9 Earth hours. Its average temperature is 1343 K (1070 C), its atmosphere mainly consists of hydrogen, helium and it has 105 moons.
NGC547.6 is a large gas giant (64234 km radius) which orbits its star in 82644 Earth days, one day on NGC547.6 lasts 8 Earth hours. Its average temperature is 1080 K (807 C), its atmosphere mainly consists of hydrogen and it has 163 moons.
NGC547.7 is a medium gas giant (30016 km radius) which orbits its star in 151827 Earth days, one day on NGC547.7 lasts 8 Earth hours. Its average temperature is 1603 K (1330 C), its atmosphere mainly consists of hydrogen and it has 60 moons.
NGC547.8 is a large gas giant (52054 km radius) which orbits its star in 278924 Earth days, one day on NGC547.8 lasts 8 Earth hours. Its average temperature is 1844 K (1571 C), its atmosphere mainly consists of hydrogen and it has 109 moons.
More planetary details...

Location

Planetary Orbits

Contributors

User 'drcosmos' updated this system november 20 at 13:41.
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Planetary Statistics

planet:NGC547.1NGC547.2NGC547.3NGC547.4NGC547.5
distance from star:4*106 km35*106 km53*106 km79*106 km548*106 km
radius:7411 km8056 km9300 km4561 km14678 km
mass:3256*1021 kg4182*1021 kg6434*1021 kg759*1021 kg25298*1021 kg
surface gravity: 3.95 m/s2
0.40 Earths
4.30 m/s2
0.43 Earths
4.96 m/s2
0.50 Earths
2.43 m/s2
0.24 Earths
7.83 m/s2
0.80 Earths
escape velocity:7.658 km/s8.324 km/s9.609 km/s4.713 km/s15.16 km/s
year: 12 NGC547.1 days
6 Earth days
288 NGC547.2 days
132 Earth days
585 NGC547.3 days
244 Earth days
537 NGC547.4 days
448 Earth days
21618 NGC547.5 days
8107 Earth days
day:12 hrs11 hrs10 hrs20 hrs9 hrs
axial tilt:18°104°15°
temperature:1511 K
1238 C
1613 K
1340 C
1075 K
802 C
637 K
364 C
1343 K
1070 C
atmosphere:79% N2
21% O2
0% other
78% N2
18% O2
4% CO2
0% other
54% N2
46% O2
0% other
66% N2
32% O2
2% CO2
0% other
82% H2
18% He
0% other
moons:11292105
rings:000615

planet:NGC547.6NGC547.7NGC547.8
distance from star:2578*106 km3867*106 km5801*106 km
radius:64234 km30016 km52054 km
mass:2120239*1021 kg216345*1021 kg1128372*1021 kg
surface gravity: 34.2 m/s2
3.49 Earths
16.0 m/s2
1.63 Earths
27.7 m/s2
2.83 Earths
escape velocity:66.37 km/s31.01 km/s53.79 km/s
year: 247932 NGC547.6 days
82644 Earth days
455481 NGC547.7 days
151827 Earth days
836772 NGC547.8 days
278924 Earth days
day:8 hrs8 hrs8 hrs
axial tilt:
temperature:1080 K
807 C
1603 K
1330 C
1844 K
1571 C
atmosphere:98% H2
2% He
0% other
96% H2
4% He
0% other
92% H2
8% He
0% other
moons:16360109
rings:7242

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