UX-28 I is a planet in the UX-28 System.

In YE 43 the Yamatai Star Empire released its claim on the the UX-28 star system.

• Large iron/silicate
• Radius 8065.23 km (1.27 x earth)
• Surface Area 8.17 x 10⁸ km²
• Land Area 4.66 x 10⁸ km² (3.13 x earth)
• Mass 1.12 x 10²⁵ kg (1.88 x earth)
• Density 5.12 g/cm³ (0.93 x earth)
• Composition 34.6% iron, 28.6% oxygen, 24.5% silicon, 8.3% titanium, 1.2% other metals, 2.8% other elements

• Gravity 11.49 m/s² (1.17 x earth)
• Escape Velocity 13.61 km/s

• Period 31.57 hours
• Axis Tilt 50.29 °

• Water 44 %
• Ice 14 %

• Standard toxic
• Pressure 92.47 kPa (0.91 x earth)
• Composition 47.3% sulfur dioxide, 23.2% nitrogen, 21.5% oxygen, 5.2% argon, 2.8% carbon dioxide, trace * other gases

• Min Temp 271 K (-1 °C)
• Avg Temp 296 K (23 °C)
• Max Temp 300 K (27 °C)

• Chemistry Carbon
• Lifeforms Microbes, algae, worms

• Heavy radiation