🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.6

Radius: 13.9

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.74 AU - 0.88 AU

Year: 494 Days

Day: 5.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,954,793 km

• M1: 176,077 km (0.043 R)
• M2: 622,327 km (0.095 R)
• M3: 1,104,182 km (0.094 R)
• M4: 1,735,934 km (0.083 R)
• M5: 2,309,193 km (0.108 R)
• M6: 2,830,841 km (0.099 R)
• M7: 3,466,332 km (0.115 R)
• M8: 4,345,369 km (0.08 R)
• M9: 4,995,372 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.8

Radius: 10.8

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.79 AU - 0.99 AU

Year: 569 Days

Day: 10.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,954,793 km

• M1: 138,228 km (0.111 R)
• M2: 586,573 km (0.04 R)
• M3: 1,147,864 km (0.115 R)
• M4: 1,546,842 km (0.063 R)
• M5: 2,030,492 km (0.118 R)
• M6: 2,736,444 km (0.112 R)
• M7: 3,234,156 km (0.058 R)
• M8: 3,662,455 km (0.099 R)
• M9: 4,018,648 km (0.098 R)
• M10: 4,770,377 km (0.087 R)
• M11: 5,163,969 km (0.027 R)
• M12: 5,545,144 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.6

Radius: 13.6

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.07 AU - 1.51 AU

Year: 994 Days

Day: 10.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,954,793 km

• M1: 169,195 km (0.098 R)
• M2: 597,643 km (0.116 R)
• M3: 1,146,368 km (0.101 R)
• M4: 1,825,244 km (0.079 R)
• M5: 2,629,781 km (0.095 R)
• M6: 3,098,022 km (0.081 R)
• M7: 3,723,790 km (0.032 R)
• M8: 5,544,845 km (0.113 R)
• M9: 6,121,694 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.3

Radius: 13

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.45 AU - 1.65 AU

Year: 1309 Days

Day: 9.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,954,793 km

• M1: 161,865 km (0.105 R)
• M2: 629,957 km (0.072 R)
• M3: 1,124,527 km (0.091 R)
• M4: 1,591,123 km (0.087 R)
• M5: 2,042,161 km (0.068 R)
• M6: 2,592,531 km (0.094 R)
• M7: 3,653,629 km (0.083 R)
• M8: 4,283,885 km (0.097 R)
• M9: 4,944,958 km (0.084 R)
• M10: 5,969,853 km (0.108 R)
• M11: 6,471,604 km (0.089 R)
• M12: 7,263,725 km (0.086 R)
• M13: 7,920,609 km (0.114 R)
• M14: 9,072,363 km (0.045 R)
• M15: 10,673,958 km (0.111 R)
• M16: 11,523,973 km (0.066 R)
• M17: 11,928,485 km (0.088 R)
• M18: 12,610,801 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643

Radius: 11.5

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.54 AU - 1.86 AU

Year: 1503 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,954,793 km

• M1: 143,016 km (0.091 R)
• M2: 522,845 km (0.119 R)
• M3: 1,783,805 km (0.066 R)
• M4: 3,006,768 km (0.036 R)
• M5: 3,781,236 km (0.111 R)
• M6: 5,124,475 km (0.106 R)
• M7: 6,229,555 km (0.065 R)
• M8: 7,354,082 km (0.084 R)
• M9: 8,347,262 km (0.079 R)
• M10: 10,067,338 km (0.058 R)
• M11: 11,185,283 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.2

Radius: 6.2

Gravity: 20.63 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.44 AU - 11.14 AU

Year: 20776 Days

Day: 24.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,954,793 km

• M1: 77,791 km (0.055 R)
• M2: 370,404 km (0.116 R)
• M3: 1,281,156 km (0.087 R)
• M4: 2,913,867 km (0.099 R)
• M5: 4,360,479 km (0.11 R)
• M6: 4,786,085 km (0.095 R)
• M7: 5,123,278 km (0.113 R)
• M8: 5,720,174 km (0.093 R)
• M9: 6,451,707 km (0.074 R)
• M10: 8,469,783 km (0.078 R)
• M11: 10,250,596 km (0.076 R)
• M12: 10,747,709 km (0.106 R)
• M13: 11,925,045 km (0.062 R)
• M14: 13,404,418 km (0.076 R)
• M15: 16,301,530 km (0.071 R)
• M16: 17,851,215 km (0.058 R)
• M17: 19,496,642 km (0.11 R)
• M18: 22,459,128 km (0.044 R)
• M19: 22,875,609 km (0.098 R)
• M20: 23,616,567 km (0.083 R)
• M21: 24,702,947 km (0.075 R)
• M22: 31,021,362 km (0.111 R)
• M23: 35,595,467 km (0.118 R)
• M24: 37,166,394 km (0.087 R)
• M25: 52,702,881 km (0.073 R)
• M26: 54,740,853 km (0.096 R)
• M27: 56,255,830 km (0.055 R)
• M28: 57,798,334 km (0.107 R)
• M29: 58,384,010 km (0.098 R)
• M30: 75,966,248 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 14,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit