🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.48 AU - 0.56 AU

Year: 143 Days

Day: 18.9 Hours

Environment

Temp: 136 °C

Axial Tilt: 48.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.01 AU - 3.19 AU

Year: 1596 Days

Day: 14.4 Hours

Environment

Temp: -105 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.1

Radius: 8.3

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.4 AU - 5.44 AU

Year: 4156 Days

Day: 7.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,672,334 km

• M1: 103,223 km (0.116 R)
• M2: 472,580 km (0.117 R)
• M3: 745,297 km (0.094 R)
• M4: 1,163,123 km (0.091 R)
• M5: 1,767,948 km (0.105 R)
• M6: 2,412,116 km (0.084 R)
• M7: 3,335,584 km (0.12 R)
• M8: 3,898,820 km (0.116 R)
• M9: 5,344,833 km (0.062 R)
• M10: 5,639,391 km (0.114 R)
• M11: 6,320,061 km (0.103 R)
• M12: 7,022,722 km (0.033 R)
• M13: 7,508,317 km (0.106 R)
• M14: 8,225,489 km (0.111 R)
• M15: 9,290,028 km (0.119 R)
• M16: 9,915,347 km (0.096 R)
• M17: 11,914,722 km (0.12 R)
• M18: 13,129,308 km (0.109 R)
• M19: 15,369,536 km (0.051 R)
• M20: 16,022,082 km (0.107 R)
• M21: 17,558,003 km (0.071 R)
• M22: 17,852,860 km (0.091 R)
• M23: 19,376,814 km (0.11 R)
• M24: 20,526,623 km (0.093 R)
• M25: 22,751,592 km (0.091 R)
• M26: 24,540,633 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660

Radius: 11.1

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.79 AU - 9.51 AU

Year: 8860 Days

Day: 14.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,672,334 km

• M1: 139,575 km (0.032 R)
• M2: 786,137 km (0.08 R)
• M3: 1,167,163 km (0.106 R)
• M4: 2,052,932 km (0.086 R)
• M5: 2,489,309 km (0.063 R)
• M6: 3,696,863 km (0.092 R)
• M7: 4,158,222 km (0.087 R)
• M8: 4,774,266 km (0.081 R)
• M9: 5,135,396 km (0.114 R)
• M10: 7,069,547 km (0.109 R)
• M11: 7,948,434 km (0.039 R)
• M12: 8,371,198 km (0.083 R)
• M13: 8,809,071 km (0.051 R)
• M14: 10,463,324 km (0.095 R)
• M15: 14,501,718 km (0.063 R)
• M16: 15,785,418 km (0.097 R)
• M17: 18,725,315 km (0.117 R)
• M18: 20,090,396 km (0.05 R)
• M19: 20,559,834 km (0.105 R)
• M20: 24,940,508 km (0.068 R)
• M21: 25,391,995 km (0.082 R)
• M22: 32,406,489 km (0.116 R)
• M23: 32,836,134 km (0.032 R)
• M24: 34,037,704 km (0.064 R)
• M25: 34,929,756 km (0.105 R)
• M26: 35,722,924 km (0.119 R)
• M27: 37,581,229 km (0.06 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 17,840 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit