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PDA455: red giant star with 6 planets

 
PDA455.1
  PDA455.2   PDA455.3  
PDA455.4
 
PDA455.5
 
PDA455.6
 

Solar system 'PDA455' is a dual star system that comprises the stars 'PDA455.A' and 'PDA455.B' and the retinue of celestial objects gravitationally bound to them: 6 planets and their 484 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'PDA455.A' and 'PDA455.B' that dominate it gravitationally. 'PDA455.A' is a red giant class star that contains about 80% of the system's known mass, 'PDA455.B' is a yellow dwarf class star that contains about 19% of the system's known mass.

System 'PDA455' is located more than 2170 lightyears from the center of the galaxy.

This solar system comprises 6 planets

PDA455.1 is a large terrestrial planet (8465 km radius) which orbits its star in 320 Earth days, one day on PDA455.1 lasts 9 Earth hours. Its average temperature is 1086 K (813 C), its atmosphere mainly consists of nitrogen, oxygen and it has 22 moons.
PDA455.2 is a large terrestrial planet (7271 km radius) which orbits its star in 897 Earth days, one day on PDA455.2 lasts 10 Earth hours. Its average temperature is 551 K (278 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
PDA455.3 is a very large terrestrial planet (9817 km radius) which orbits its star in 1649 Earth days, one day on PDA455.3 lasts 8 Earth hours. Its average temperature is 367 K (94 C), its atmosphere mainly consists of nitrogen, oxygen and it has 28 moons.
PDA455.4 is a medium gas giant (29649 km radius) which orbits its star in 31737 Earth days, one day on PDA455.4 lasts 6 Earth hours. Its average temperature is 1219 K (946 C), its atmosphere mainly consists of hydrogen, helium and it has 171 moons.
PDA455.5 is a huge terrestrial planet (12952 km radius) which orbits its star in 58306 Earth days, one day on PDA455.5 lasts 7 Earth hours. Its average temperature is 1387 K (1114 C), its atmosphere mainly consists of hydrogen and it has 154 moons.
PDA455.6 is a medium gas giant (20470 km radius) which orbits its star in 107115 Earth days, one day on PDA455.6 lasts 6 Earth hours. Its average temperature is 1895 K (1622 C), its atmosphere mainly consists of hydrogen and it has 108 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:PDA455.1PDA455.2PDA455.3PDA455.4PDA455.5
distance from star:63*106 km126*106 km189*106 km1362*106 km2043*106 km
radius:8465 km7271 km9817 km29649 km12952 km
mass:4852*1021 kg3075*1021 kg7568*1021 kg208506*1021 kg17382*1021 kg
surface gravity: 4.51 m/s2
0.46 Earths
3.88 m/s2
0.39 Earths
5.24 m/s2
0.53 Earths
15.8 m/s2
1.61 Earths
6.91 m/s2
0.70 Earths
escape velocity:8.747 km/s7.513 km/s10.14 km/s30.63 km/s13.38 km/s
year: 853 PDA455.1 days
320 Earth days
2152 PDA455.2 days
897 Earth days
4947 PDA455.3 days
1649 Earth days
126948 PDA455.4 days
31737 Earth days
199906 PDA455.5 days
58306 Earth days
day:9 hrs10 hrs8 hrs6 hrs7 hrs
axial tilt:14°30°12°
temperature:1086 K
813 C
551 K
278 C
367 K
94 C
1219 K
946 C
1387 K
1114 C
atmosphere:4% H2
1% He
53% N2
42% O2
0% other
1% He
80% N2
14% O2
5% CO2
0% other
67% N2
32% O2
1% CO2
0% other
77% H2
23% He
0% other
94% H2
6% He
0% other
moons:22128171154
rings:100314

planet:PDA455.6
distance from star:3065*106 km
radius:20470 km
mass:68618*1021 kg
surface gravity: 10.9 m/s2
1.11 Earths
escape velocity:21.15 km/s
year: 428460 PDA455.6 days
107115 Earth days
day:6 hrs
axial tilt:
temperature:1895 K
1622 C
atmosphere:96% H2
4% He
0% other
moons:108
rings:9

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