🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.57 AU - 0.71 AU

Year: 180 Days

Day: 39.5 Hours

Environment

Temp: 185 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 44,259,895 km

• M1: 27,676 km (0.028 R)
• M2: 219,460 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.77 AU - 2.17 AU

Year: 972 Days

Day: 17.1 Hours

Environment

Temp: -60 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.72 AU - 2.4 AU

Year: 1039 Days

Day: 41.3 Hours

Environment

Temp: -49 °C

Axial Tilt: 43.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,259,895 km

• M1: 286,480 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.1

Radius: 12.2

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.7 AU - 12.78 AU

Year: 11517 Days

Day: 13.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,259,895 km

• M1: 152,291 km (0.095 R)
• M2: 624,122 km (0.1 R)
• M3: 1,368,970 km (0.073 R)
• M4: 2,490,206 km (0.112 R)
• M5: 4,696,476 km (0.104 R)
• M6: 6,009,795 km (0.098 R)
• M7: 6,868,487 km (0.057 R)
• M8: 9,445,909 km (0.052 R)
• M9: 10,243,565 km (0.069 R)
• M10: 14,016,273 km (0.096 R)
• M11: 15,728,271 km (0.109 R)
• M12: 20,043,123 km (0.114 R)
• M13: 21,025,233 km (0.092 R)
• M14: 24,255,948 km (0.078 R)
• M15: 31,356,462 km (0.119 R)
• M16: 33,015,951 km (0.031 R)
• M17: 34,269,581 km (0.083 R)
• M18: 38,970,694 km (0.103 R)
• M19: 41,672,132 km (0.108 R)
• M20: 47,876,704 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.3

Radius: 5.6

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 12.24 AU - 16.62 AU

Year: 19265 Days

Day: 22.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,259,895 km

• M1: 69,713 km (0.094 R)
• M2: 247,285 km (0.065 R)
• M3: 439,369 km (0.085 R)
• M4: 1,386,174 km (0.104 R)
• M5: 2,855,674 km (0.105 R)
• M6: 3,963,745 km (0.092 R)
• M7: 6,874,471 km (0.117 R)
• M8: 7,066,704 km (0.114 R)
• M9: 8,781,245 km (0.114 R)
• M10: 9,662,526 km (0.117 R)
• M11: 10,499,826 km (0.1 R)
• M12: 10,703,728 km (0.089 R)
• M13: 14,025,848 km (0.071 R)
• M14: 16,770,669 km (0.099 R)
• M15: 24,345,707 km (0.115 R)
• M16: 29,572,208 km (0.035 R)
• M17: 31,538,522 km (0.117 R)
• M18: 32,499,539 km (0.081 R)
• M19: 40,525,764 km (0.099 R)
• M20: 41,533,904 km (0.087 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 11,243 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit