🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.2

Radius: 10.7

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.63 AU - 0.87 AU

Year: 426 Days

Day: 5.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,045,499 km

• M1: 133,142 km (0.043 R)
• M2: 672,143 km (0.12 R)
• M3: 1,039,256 km (0.097 R)
• M4: 1,403,527 km (0.098 R)
• M5: 1,739,524 km (0.092 R)
• M6: 3,061,820 km (0.072 R)
• M7: 3,419,807 km (0.11 R)
• M8: 3,944,896 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.2

Radius: 12.2

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.69 AU - 1.05 AU

Year: 532 Days

Day: 7.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 121.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,045,499 km

• M1: 151,991 km (0.116 R)
• M2: 630,106 km (0.047 R)
• M3: 1,054,067 km (0.07 R)
• M4: 1,483,712 km (0.12 R)
• M5: 1,897,499 km (0.118 R)
• M6: 2,574,579 km (0.096 R)
• M7: 2,955,605 km (0.112 R)
• M8: 3,518,991 km (0.102 R)
• M9: 4,003,389 km (0.075 R)
• M10: 4,586,072 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.6

Radius: 13.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3 AU - 4.86 AU

Year: 5111 Days

Day: 13 Hours

Environment

Temp: -210 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,045,499 km

• M1: 172,337 km (0.044 R)
• M2: 659,577 km (0.044 R)
• M3: 2,041,712 km (0.113 R)
• M4: 3,140,209 km (0.074 R)
• M5: 5,987,954 km (0.036 R)
• M6: 7,957,709 km (0.098 R)
• M7: 9,329,372 km (0.105 R)
• M8: 10,808,895 km (0.076 R)
• M9: 11,721,891 km (0.087 R)
• M10: 15,158,004 km (0.079 R)
• M11: 16,537,297 km (0.062 R)
• M12: 19,084,948 km (0.08 R)
• M13: 20,692,078 km (0.081 R)
• M14: 23,568,845 km (0.088 R)
• M15: 28,454,263 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.5

Radius: 3.6

Gravity: 23.96 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.84 AU - 9.54 AU

Year: 16805 Days

Day: 23.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,045,499 km

• M1: 68,516 km (0.08 R)
• M2: 613,650 km (0.088 R)
• M3: 1,045,689 km (0.087 R)
• M4: 2,390,873 km (0.113 R)
• M5: 2,966,227 km (0.113 R)
• M6: 3,153,224 km (0.081 R)
• M7: 4,720,411 km (0.117 R)
• M8: 7,874,383 km (0.046 R)
• M9: 14,193,996 km (0.047 R)
• M10: 17,652,698 km (0.105 R)
• M11: 18,034,323 km (0.088 R)
• M12: 19,132,221 km (0.081 R)
• M13: 21,031,366 km (0.055 R)
• M14: 21,982,510 km (0.079 R)
• M15: 25,199,462 km (0.099 R)
• M16: 29,993,625 km (0.041 R)
• M17: 34,287,383 km (0.051 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 14,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit