🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.8

Radius: 12.9

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.06 AU - 1.12 AU

Year: 772 Days

Day: 9.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,604,171 km

• M1: 160,519 km (0.067 R)
• M2: 644,617 km (0.041 R)
• M3: 1,358,797 km (0.041 R)
• M4: 2,121,298 km (0.112 R)
• M5: 2,561,714 km (0.076 R)
• M6: 4,366,612 km (0.072 R)
• M7: 5,460,921 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.4

Radius: 9.2

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.02 AU - 1.24 AU

Year: 815 Days

Day: 7.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,604,171 km

• M1: 117,434 km (0.104 R)
• M2: 507,586 km (0.068 R)
• M3: 819,497 km (0.088 R)
• M4: 1,589,029 km (0.077 R)
• M5: 1,901,389 km (0.094 R)
• M6: 2,263,715 km (0.111 R)
• M7: 3,237,448 km (0.088 R)
• M8: 4,226,140 km (0.115 R)
• M9: 4,550,618 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.8

Radius: 9.9

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.65 AU - 1.81 AU

Year: 1543 Days

Day: 7.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,604,171 km

• M1: 123,119 km (0.088 R)
• M2: 550,819 km (0.082 R)
• M3: 900,130 km (0.086 R)
• M4: 1,242,710 km (0.081 R)
• M5: 1,589,029 km (0.11 R)
• M6: 3,247,770 km (0.059 R)
• M7: 3,789,464 km (0.037 R)
• M8: 4,133,838 km (0.099 R)
• M9: 4,499,156 km (0.099 R)
• M10: 5,347,675 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.3

Radius: 6.3

Gravity: 16.16 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.76 AU - 8.5 AU

Year: 12913 Days

Day: 17.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,604,171 km

• M1: 78,389 km (0.112 R)
• M2: 327,769 km (0.096 R)
• M3: 549,772 km (0.111 R)
• M4: 894,894 km (0.104 R)
• M5: 1,377,348 km (0.086 R)
• M6: 2,338,664 km (0.086 R)
• M7: 2,626,041 km (0.114 R)
• M8: 3,821,777 km (0.101 R)
• M9: 7,314,737 km (0.066 R)
• M10: 7,840,724 km (0.054 R)
• M11: 9,519,511 km (0.049 R)
• M12: 10,744,867 km (0.056 R)
• M13: 13,311,667 km (0.079 R)
• M14: 17,925,415 km (0.09 R)
• M15: 19,700,843 km (0.083 R)
• M16: 20,374,482 km (0.117 R)
• M17: 21,946,307 km (0.11 R)
• M18: 26,631,413 km (0.091 R)
• M19: 30,247,642 km (0.099 R)
• M20: 32,057,328 km (0.069 R)
• M21: 40,691,818 km (0.077 R)
• M22: 45,465,186 km (0.08 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: 285 - 11,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit