🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.4

Radius: 8.7

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.94 AU - 2.26 AU

Year: 1965 Days

Day: 9.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,672,062 km

• M1: 108,159 km (0.067 R)
• M2: 436,377 km (0.044 R)
• M3: 729,290 km (0.07 R)
• M4: 1,465,910 km (0.088 R)
• M5: 2,421,541 km (0.084 R)
• M6: 4,047,071 km (0.107 R)
• M7: 4,744,347 km (0.116 R)
• M8: 5,664,374 km (0.118 R)
• M9: 6,297,173 km (0.051 R)
• M10: 6,590,085 km (0.087 R)
• M11: 8,131,841 km (0.036 R)
• M12: 8,970,188 km (0.079 R)
• M13: 9,758,718 km (0.116 R)
• M14: 10,555,476 km (0.102 R)
• M15: 12,114,286 km (0.049 R)
• M16: 12,652,390 km (0.078 R)
• M17: 13,120,182 km (0.074 R)
• M18: 13,599,344 km (0.109 R)
• M19: 14,408,519 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.1

Radius: 12.6

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.92 AU - 2.68 AU

Year: 2252 Days

Day: 12.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 44,672,062 km

• M1: 156,779 km (0.054 R)
• M2: 559,346 km (0.098 R)
• M3: 1,183,918 km (0.111 R)
• M4: 2,784,166 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485

Radius: 14.1

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.22 AU - 2.76 AU

Year: 2537 Days

Day: 10.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,672,062 km

• M1: 175,329 km (0.109 R)
• M2: 746,344 km (0.041 R)
• M3: 2,120,550 km (0.093 R)
• M4: 4,332,354 km (0.092 R)
• M5: 4,872,103 km (0.056 R)
• M6: 6,958,994 km (0.09 R)
• M7: 7,761,886 km (0.112 R)
• M8: 11,142,797 km (0.107 R)
• M9: 14,115,756 km (0.063 R)
• M10: 14,934,655 km (0.057 R)
• M11: 16,617,631 km (0.054 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.9

Radius: 5

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.01 AU - 7.59 AU

Year: 12735 Days

Day: 23.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,672,062 km

• M1: 62,233 km (0.095 R)
• M2: 511,774 km (0.115 R)
• M3: 828,323 km (0.075 R)
• M4: 1,784,703 km (0.099 R)
• M5: 2,509,953 km (0.074 R)
• M6: 2,708,320 km (0.059 R)
• M7: 3,633,732 km (0.096 R)
• M8: 5,705,663 km (0.102 R)
• M9: 6,120,049 km (0.04 R)
• M10: 6,554,332 km (0.114 R)
• M11: 7,524,773 km (0.059 R)
• M12: 10,489,503 km (0.114 R)
• M13: 11,756,448 km (0.078 R)
• M14: 15,232,654 km (0.111 R)
• M15: 15,760,285 km (0.075 R)
• M16: 16,782,188 km (0.106 R)
• M17: 19,260,875 km (0.105 R)
• M18: 20,269,763 km (0.092 R)
• M19: 28,337,726 km (0.07 R)
• M20: 36,760,834 km (0.083 R)
• M21: 37,589,457 km (0.08 R)
• M22: 41,920,315 km (0.063 R)
• M23: 43,347,030 km (0.069 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 16,272 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit