Phaethon 4 Star System

RS Code: RS 0-7-1385622-2192-287-6-262098-141
Version: Latest
Discoverer: Abrara5 (Im the neutralguy)
== Introduction ==
The Phaethon System is a quadruple (4 star) system, with a 1 yellow dwarf and 3 red dwarf stars. The system is located about 423 million light years away from planet Earth, in a small lenticular galaxy. This system is interesting because of it's collection of planets. 
== The Stars ==
Phaethon A is a yellow dwarf star with a mass of 1.014 solar masses and a radius of 0.96 solar radii. It has a luminosity of 1.04 solar luminosity. It has 7 planets orbiting it, with all of them being rocky. Phaethon A is in a binary orbit with Phaethon BA, BBA, and BBB. 
Phaethon BA is a red dwarf star with a mass of 0.403 solar masses and a radius of 0.387 solar radii. It has a luminosity of 0.015 solar luminosity. It has 3 planets orbiting it. Phaethon BA is in a binary orbit with Phaethon BBA and BBB.
Phaethon BBA and BBB are red dwarf stars with masses of 0.15 solar masses (Phaethon BBA) and 0.08 solar masses (Phaethon BBB) respectively, and they have a radius of 0.16 solar radii (Phaethon BBA) and 0.07 solar radii (Phaethon BBB). They have a luminosity of 0.001 solar luminosity (Phaethon BBA) and 0.0001 solar luminosity (Phaethon BBB). Both stars orbit each other and they form a binary orbit with Phaethon BA.
Classification:
Phaethon A: G5.1V (Intermediate G)
Phaethon BA: M1.3V (Early M)
Phaethon BBA: M4.4V (Intermediate M)
Phaethon BBB: M7.2V (Late M)
== The Planets ==
=== Circumbinary planets (orbiting the whole system together) ===
Phaethon 1: Phaethon 1 is a aquaria planet with a mass of 1.23 Earth masses and 1.23 Earth radii. It has 7 moons, in which 3 of them are major and the other are minor. Phaethon 1 has almost no atmosphere because of how far away it is from the system, so it is cold, so cold that the temperature is 34 Kelvin. 
Phaethon 2: Phaethon 2 is an interesting planet because it is a super-Jupiter gas giant planet, with a mass of 7.4 Jupiter masses and 11.6 Earth radii, and it is orbited by the biggest moon of the whole system, which is about the size of Earth, along with its 44 other companion moons, in which 3 of them are major and the other being minor. This planet is also cold because of how far away the planet is from the system, with a temperature of 32 Kelvin. It is also the biggest planet in the system, even bigger than Phaethon BBB.
=== Phaethon A planets ===
Phaethon A1: Phaethon A1 is a Mercury-like planet with a very thin atmosphere. It's mass is 0.31 Earth masses and a radius of 0.67 Earth radii. The temperature is really hot here, about 790 Kelvin, because of the closeness to the star it orbits, but this planet is not the hottest planet in the whole system. It has 6 moons, with all of them being dwarf moons.
Phaethon A2: Phaethon is a Venus-like planet with a very thick atmosphere. It's mass is 0.53 Earth masses and a radius of 0.80 Earth radii. It is the hottest planet in the whole system, about 885 Kelvin, because of it's thick atmosphere. Greenhouse effects trap the heat from the star, which has made it a real-life hell. It has 6 moons, with all of them being dwarf moons.
Phaethon A3: Phaethon A3 is an interesting planet because it is an Earth-like planet with a moderately thick atmosphere. It's mass is 0.87 Earth masses and a radius of 0.92 Earth radii. It has a livable temperature of 292 Kelvin, which, along with its atmosphere, has made it a life-bearing planet. It has 8 moons, with 1 of them being major and the other being minor. The major moon orbits very close to the planet, so close that huge volcanism occurs on the planet, in which plants can thrive with the volcanic ash that the volcanos create, and in turn benefit the animals on this planet. 
Phaethon A4: Phaethon A4 is an ice planet with a thick atmosphere. It's mass is 1.50 Earth masses and a radius of 1.27 Earth radii. The temperature here is about the temperature of Antarctica, about 209 Kelvin. It has 19 moons, with 2 of them being major and the other being minor.
Phaethon A5: Phaethon A5 is a super-Earth ice planet with a thick atmosphere. It's mass is 3.45 Earth masses and a radius of 1.62 Earth radii. The temperature is rather cold, about 150 Kelvin. It has 7 moons, with 4 of them being major and the other being minor.
Phaethon A6a and A6b: Phaethon A6a and A6b are two rocky planets orbiting each other in a binary orbit, like Pluto and Charon, and they are both ice planets with thin atmospheres. Phaethon A6a's mass is 0.14 Earth masses and a radius of 0.62 earth radii, and Phaethon A6b's mass of 0.09 Earth masses and a radius of 0.54 Earth radii. The temperature of Phaethon A6a is about 92 Kelvin, with Phaethon A6b's temperature being about 88 Kelvin. Both planets have no moons of their own. 
=== Phaethon BA planets ===
Phaethon BA1: Phaethon BA1 is another Venus-like planet with a very thick atmosphere like Phaethon A2, but a little bit more hospitable (but it is still a real-life hell). It's mass is 1.18 Earth masses and a radius of 1.01 Earth radii. The temperature is very similar to Phaethon A2, about 880 Kelvin. It has 3 moons, with all of being being dwarf moons.
Phaethon BA2: Phaethon BA2 is a mini-Neptune planet with a very very very thick atmosphere (because it is a mini-Neptune). It's mass is 2.25 Earth masses and a radius of 1.21 Earth radii. The temperature is still hot, about 553 Kelvin, but still far more hospitable then the Venus-like planets (Phaethon A2 and Phaethon BA1). It has no moons of it's own.
Phaethon BA3: Phaethon BA3 is a very small hot world with almost no atmosphere of it's own. It's mass is 0.06 Earth masses and a radius of 0.40 Earth radii. The temperature is warm, about 410 Kelvin. It has 5 moons, with all of them being dwarf moons. It is the smallest planet of the system. 
== Facts ==
# Phaethon 2 orbits once every about 8471 years and orbits at a distance of approximately 470 AU. That is really far away compared to the Solar System (without the hypothetical Planet Nine).
# Phaethon A2's atmosphere is so thick that the pressure is about 320 times the pressure experienced on planet Earth.
== Pictures ==
Category:Stars
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