🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.7

Radius: 8.6

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.58 AU - 0.62 AU

Year: 327 Days

Day: 7.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,836,740 km

• M1: 106,962 km (0.034 R)
• M2: 421,118 km (0.053 R)
• M3: 787,633 km (0.111 R)
• M4: 1,271,731 km (0.067 R)
• M5: 1,592,320 km (0.082 R)
• M6: 2,167,524 km (0.045 R)
• M7: 2,824,557 km (0.09 R)
• M8: 4,272,515 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.8

Radius: 9.7

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.5 AU - 3.4 AU

Year: 3562 Days

Day: 12.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,836,740 km

• M1: 120,576 km (0.104 R)
• M2: 476,768 km (0.064 R)
• M3: 787,034 km (0.047 R)
• M4: 1,347,578 km (0.112 R)
• M5: 1,700,329 km (0.108 R)
• M6: 2,629,183 km (0.12 R)
• M7: 4,059,937 km (0.103 R)
• M8: 4,782,345 km (0.031 R)
• M9: 5,213,635 km (0.065 R)
• M10: 6,883,596 km (0.113 R)
• M11: 9,187,104 km (0.111 R)
• M12: 11,199,794 km (0.096 R)
• M13: 12,100,224 km (0.085 R)
• M14: 13,243,451 km (0.081 R)
• M15: 13,790,829 km (0.052 R)
• M16: 14,984,172 km (0.118 R)
• M17: 17,221,408 km (0.078 R)
• M18: 18,727,709 km (0.111 R)
• M19: 24,432,025 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.7

Radius: 14.1

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.46 AU - 3.84 AU

Year: 3930 Days

Day: 10.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,836,740 km

• M1: 176,077 km (0.118 R)
• M2: 957,726 km (0.118 R)
• M3: 1,799,363 km (0.035 R)
• M4: 3,013,948 km (0.115 R)
• M5: 3,544,123 km (0.101 R)
• M6: 4,002,940 km (0.099 R)
• M7: 5,398,688 km (0.084 R)
• M8: 6,526,806 km (0.113 R)
• M9: 7,147,188 km (0.12 R)
• M10: 9,908,615 km (0.036 R)
• M11: 10,925,731 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.7

Radius: 14.4

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.25 AU - 5.49 AU

Year: 7554 Days

Day: 9.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,836,740 km

• M1: 197,918 km (0.078 R)
• M2: 1,000,062 km (0.078 R)
• M3: 1,583,493 km (0.096 R)
• M4: 2,329,239 km (0.064 R)
• M5: 3,083,212 km (0.092 R)
• M6: 11,084,305 km (0.117 R)
• M7: 12,903,864 km (0.059 R)
• M8: 13,641,830 km (0.086 R)
• M9: 15,376,268 km (0.087 R)
• M10: 18,609,676 km (0.074 R)
• M11: 20,315,092 km (0.104 R)
• M12: 21,459,964 km (0.094 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 18,789 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit