🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.26 AU - 2.02 AU

Year: 756 Days

Day: 36.4 Hours

Environment

Temp: -43 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.25 AU - 2.77 AU

Year: 1431 Days

Day: 43.9 Hours

Environment

Temp: -81 °C

Axial Tilt: 111.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.18 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.8

Radius: 8.5

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.75 AU - 6.95 AU

Year: 5092 Days

Day: 7 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,150,904 km

• M1: 105,766 km (0.108 R)
• M2: 486,642 km (0.108 R)
• M3: 785,688 km (0.099 R)
• M4: 1,578,706 km (0.112 R)
• M5: 1,892,563 km (0.093 R)
• M6: 2,492,450 km (0.068 R)
• M7: 3,996,058 km (0.109 R)
• M8: 4,767,235 km (0.086 R)
• M9: 5,873,811 km (0.102 R)
• M10: 6,601,904 km (0.112 R)
• M11: 6,868,786 km (0.089 R)
• M12: 7,496,050 km (0.052 R)
• M13: 8,047,318 km (0.12 R)
• M14: 8,625,364 km (0.07 R)
• M15: 9,230,787 km (0.091 R)
• M16: 11,217,746 km (0.107 R)
• M17: 12,286,174 km (0.111 R)
• M18: 13,420,874 km (0.075 R)
• M19: 14,400,141 km (0.061 R)
• M20: 17,055,653 km (0.095 R)
• M21: 18,597,558 km (0.078 R)
• M22: 21,516,063 km (0.117 R)
• M23: 25,781,398 km (0.076 R)
• M24: 29,037,246 km (0.074 R)
• M25: 30,302,844 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.5

Radius: 3.7

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 12.77 AU - 17.99 AU

Year: 21707 Days

Day: 21.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,150,904 km

• M1: 47,123 km (0.118 R)
• M2: 338,241 km (0.085 R)
• M3: 782,846 km (0.117 R)
• M4: 906,563 km (0.078 R)
• M5: 1,426,117 km (0.089 R)
• M6: 1,553,125 km (0.118 R)
• M7: 1,896,153 km (0.054 R)
• M8: 2,157,650 km (0.085 R)
• M9: 4,085,518 km (0.03 R)
• M10: 4,343,275 km (0.06 R)
• M11: 5,868,874 km (0.083 R)
• M12: 6,049,738 km (0.087 R)
• M13: 6,770,949 km (0.108 R)
• M14: 10,760,874 km (0.071 R)
• M15: 11,141,451 km (0.07 R)
• M16: 11,872,237 km (0.111 R)
• M17: 17,011,971 km (0.069 R)
• M18: 29,321,183 km (0.073 R)
• M19: 29,956,076 km (0.059 R)
• M20: 30,169,702 km (0.106 R)
• M21: 32,362,358 km (0.072 R)
• M22: 40,608,791 km (0.113 R)
• M23: 42,599,041 km (0.088 R)
• M24: 45,212,067 km (0.107 R)
• M25: 46,629,208 km (0.085 R)

Kuiper Belt

Range: 30.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 18,554 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit