🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857

Radius: 14.8

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.64 AU - 0.8 AU

Year: 422 Days

Day: 9.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,341,414 km

• M1: 184,005 km (0.115 R)
• M2: 656,884 km (0.095 R)
• M3: 1,119,291 km (0.111 R)
• M4: 1,906,475 km (0.098 R)
• M5: 2,585,799 km (0.113 R)
• M6: 3,178,506 km (0.072 R)
• M7: 5,244,752 km (0.095 R)
• M8: 5,953,098 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.4

Radius: 13.2

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.22 AU - 4.8 AU

Year: 6611 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,341,414 km

• M1: 205,547 km (0.044 R)
• M2: 785,987 km (0.111 R)
• M3: 3,263,178 km (0.085 R)
• M4: 3,774,354 km (0.029 R)
• M5: 4,823,035 km (0.059 R)
• M6: 5,703,419 km (0.114 R)
• M7: 6,568,244 km (0.079 R)
• M8: 8,530,071 km (0.112 R)
• M9: 9,083,732 km (0.104 R)
• M10: 9,630,363 km (0.109 R)

Asteroid Belt

Center: 6.52 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.1

Radius: 4.7

Gravity: 17.7 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.87 AU - 9.19 AU

Year: 17196 Days

Day: 23.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,341,414 km

• M1: 59,540 km (0.119 R)
• M2: 208,240 km (0.082 R)
• M3: 494,421 km (0.109 R)
• M4: 1,926,821 km (0.039 R)
• M5: 2,461,483 km (0.072 R)
• M6: 3,113,580 km (0.086 R)
• M7: 3,599,175 km (0.059 R)
• M8: 6,169,117 km (0.056 R)
• M9: 6,483,123 km (0.091 R)
• M10: 8,451,382 km (0.102 R)
• M11: 9,805,841 km (0.111 R)
• M12: 11,828,404 km (0.076 R)
• M13: 14,451,753 km (0.096 R)
• M14: 15,862,012 km (0.042 R)
• M15: 17,284,239 km (0.107 R)
• M16: 20,987,534 km (0.071 R)
• M17: 22,513,881 km (0.053 R)
• M18: 29,913,441 km (0.116 R)
• M19: 36,072,535 km (0.062 R)
• M20: 40,662,048 km (0.11 R)
• M21: 43,737,630 km (0.044 R)
• M22: 45,331,895 km (0.068 R)
• M23: 49,876,229 km (0.054 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.7

Radius: 7.5

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.91 AU - 11.15 AU

Year: 20307 Days

Day: 24.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,341,414 km

• M1: 94,247 km (0.082 R)
• M2: 329,115 km (0.117 R)
• M3: 563,386 km (0.075 R)
• M4: 996,621 km (0.069 R)
• M5: 1,239,568 km (0.077 R)
• M6: 2,480,931 km (0.101 R)
• M7: 3,331,545 km (0.063 R)
• M8: 3,793,503 km (0.104 R)
• M9: 4,264,736 km (0.095 R)
• M10: 5,361,737 km (0.084 R)
• M11: 9,153,295 km (0.111 R)
• M12: 10,353,519 km (0.103 R)
• M13: 10,837,169 km (0.046 R)
• M14: 22,324,490 km (0.11 R)
• M15: 28,977,108 km (0.116 R)
• M16: 29,215,118 km (0.096 R)
• M17: 33,595,343 km (0.072 R)
• M18: 37,965,995 km (0.098 R)
• M19: 40,139,203 km (0.063 R)
• M20: 42,855,003 km (0.028 R)
• M21: 43,786,848 km (0.106 R)
• M22: 48,314,577 km (0.106 R)
• M23: 65,783,270 km (0.094 R)
• M24: 66,401,109 km (0.113 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 17,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit