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The Giyr planetary system is a binary star system that revolves around a yellow dwarf star, Giyr A, and an orange dwarf star, Giyr B. This star system contains 6 planets, of which one, Xcathlia, is habitable.

GIYR A

Giyr A is a G4V sequence yellow dwarf star. It is part of a binary star system with Giyr B. It rotates once every 24 days, and has a gravitational force 26 times stronger than Earth's.

GIYR B

Giyr B is a K4V sequence orange dwarf star. It is part of a binary system with Giyr A. It rotates once every 18.8 days, and has a gravitational force 33 times that of Earth's.

XCATHLIA

Xcathlia is a warm E-Class planet. It rotates around its two stars once every 6.142 years. With an average surface temperature of 311 K (37.85 C) it houses many varieties of marine and terrestrial life. It rotates around its axis once every 3.106 days. It has one moon, Del'ai.

DEL'AI

Del'ai is a cool selena moon that orbits Xcathlia. It has a surface temperature of 219.81 K (-53 C) with an atmosphere 0.08% that of Earth's, making it uninhabitable. It orbits Xcathlia every 3.106 days.

PUPRA

Pupra is a cold D-Class planet, and is the second planet in the Giyr star system. It resides 7.822 AU away from Giyr A and Giyr B, but somehow manages to support multicellular terrestrial lifeforms such as the Cydians despite a surface temperature of 197.11 K (-76.04 C). It orbits its stars every 16.916 years, and rotates on its axis every 20.948 days. It has one moon, Calyt.

CALYT

Calyt is a cold desert moon that orbits PUPRA. It has a surface temperature of 164.04 K (-109.11 C) with an atmosphere 0.9% that of Earth's making it uninhabitable. It resides 23,174 km from Pupra and orbits the planet once every 20.948 days.

VENTRIS

Ventris is a cold N-Class planet, and is the third planet in the Giyr star system. It resides 12.974 AU away from Giyr A and B, rendering it uninhabitable. The planet's gravitational force is almost twice that of Earth, and its surface temperature is 105.26 K (-167.89 C). It orbits its stars every 36.138 years, and rotates on its axis every 8 hours and 51 minutes. It has 12 moons, listed below:

-Caltyne, Altyre, Mik, Nur'nur, Hid'yl, Tryptire, Urgyl, Sylin, Rihtohr, Gijytine, Krytice, Cerdine

The final three planets have been seldom mexplored. Their names are Klios, Hythil and Mam'o'krov. On Klios, 2 moons are confirmed to have subglacial life.ryou'd rnt

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