A star system just outside the Ketsurui Military Sector. It was originally designated as UX-25 and in YE 37, it was named Oum.

The Yamatai Star Empire placed orbital communications networks of Emrys Satellites around all of the terrestrial planets in YE 36.

In YE 43 the Yamatai Star Empire released its claim on this star system.

F9 V Yellow-white Main Sequence

• Radius 9.04 x 10⁵ km (1.30 x sol)
• Mass 3.37 x 10³⁰ kg (1.70 x sol)
• Temperature 6000 K
• Luminosity 2.49 x 10²⁷ W (6.50 x sol)

• Rock Planet
• Orbital Radius 6.18 x 10⁷ km (0.41 AU)
• Period 1.78 x 10³ hours (0.20 earth years)
• Gravity 10.18 m/s² (1.04 x earth)
• Advanced alien artifact

• Rock Planet
• Orbital Radius 1.30 x 10⁸ km (0.87 AU)
• Period 5.41 x 10³ hours (0.62 earth years)
• Gravity 7.42 m/s² (0.76 x earth)

• Asteroid Belt
• Orbital Radius 2.22 x 10⁸ km (1.49 AU)
• Period 1.22 x 10⁴ hours (1.39 earth years)

• Terrestrial World
• See: Oum IV

Rock Planet

• Orbital Radius 6.74 x 10⁸ km (4.50 AU)
• Period 6.42 x 10⁴ hours (7.34 earth years)
• Gravity 11.65 m/s² (1.19 x earth)
• Special 5 small moons, large moon

Rock Planet

• Orbital Radius 1.25 x 10⁹ km (8.36 AU)
• Period 1.62 x 10⁵ hours (18.57 earth years)
• Gravity 17.50 m/s² (1.79 x earth)
• Special Heavy radiation, heavy volcanism

Asteroid Belt

• Orbital Radius 2.49 x 10⁹ km (16.67 AU)
• Period 4.57 x 10⁵ hours (52.26 earth years)

The Oum star system is named in honor of legendary worldbuilder and animator Monty Oum.