🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.9

Radius: 14.7

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.61 AU - 0.75 AU

Year: 394 Days

Day: 9.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,434,251 km

• M1: 182,809 km (0.059 R)
• M2: 649,404 km (0.099 R)
• M3: 1,162,525 km (0.092 R)
• M4: 2,046,798 km (0.094 R)
• M5: 2,572,635 km (0.106 R)
• M6: 3,251,959 km (0.101 R)
• M7: 3,820,430 km (0.088 R)
• M8: 4,389,950 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145

Radius: 10.5

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.56 AU - 1.84 AU

Year: 1558 Days

Day: 11.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,434,251 km

• M1: 130,599 km (0.092 R)
• M2: 617,241 km (0.085 R)
• M3: 1,053,618 km (0.098 R)
• M4: 1,678,189 km (0.095 R)
• M5: 2,070,734 km (0.12 R)
• M6: 3,861,570 km (0.1 R)
• M7: 6,573,630 km (0.071 R)
• M8: 7,606,603 km (0.083 R)
• M9: 8,029,666 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.6

Radius: 14

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.78 AU - 2.54 AU

Year: 2231 Days

Day: 11.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,434,251 km

• M1: 175,777 km (0.067 R)
• M2: 619,934 km (0.106 R)
• M3: 1,327,232 km (0.042 R)
• M4: 2,471,357 km (0.071 R)
• M5: 6,815,230 km (0.075 R)
• M6: 7,369,790 km (0.055 R)
• M7: 9,864,783 km (0.114 R)
• M8: 10,675,603 km (0.111 R)
• M9: 12,246,680 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.4

Radius: 4.5

Gravity: 14.69 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.29 AU - 7.27 AU

Year: 11062 Days

Day: 24.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 40,434,251 km

• M1: 56,249 km (0.072 R)
• M2: 214,823 km (0.105 R)
• M3: 380,278 km (0.109 R)
• M4: 721,660 km (0.117 R)
• M5: 897,886 km (0.086 R)
• M6: 1,267,692 km (0.064 R)
• M7: 1,526,497 km (0.107 R)
• M8: 2,133,116 km (0.051 R)
• M9: 2,445,177 km (0.113 R)
• M10: 2,631,277 km (0.038 R)
• M11: 2,948,724 km (0.027 R)
• M12: 5,762,360 km (0.101 R)
• M13: 6,647,531 km (0.085 R)
• M14: 6,863,999 km (0.11 R)
• M15: 9,339,844 km (0.063 R)
• M16: 11,978,451 km (0.075 R)
• M17: 14,226,159 km (0.082 R)
• M18: 15,074,828 km (0.063 R)
• M19: 15,448,823 km (0.083 R)
• M20: 15,638,064 km (0.117 R)
• M21: 16,739,852 km (0.109 R)
• M22: 21,119,180 km (0.053 R)
• M23: 21,665,960 km (0.077 R)
• M24: 27,477,239 km (0.108 R)
• M25: 27,848,242 km (0.119 R)
• M26: 28,981,296 km (0.12 R)
• M27: 29,462,253 km (0.109 R)
• M28: 32,771,209 km (0.069 R)
• M29: 33,083,868 km (0.12 R)
• M30: 36,542,571 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.9

Radius: 7.3

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.21 AU - 7.69 AU

Year: 14294 Days

Day: 17.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,434,251 km

• M1: 416,929 km (0.047 R)
• M2: 885,619 km (0.084 R)
• M3: 1,156,691 km (0.111 R)
• M4: 2,106,188 km (0.041 R)
• M5: 2,935,409 km (0.083 R)
• M6: 3,858,279 km (0.12 R)
• M7: 5,450,898 km (0.115 R)
• M8: 7,948,434 km (0.099 R)
• M9: 10,170,561 km (0.044 R)
• M10: 11,176,008 km (0.061 R)
• M11: 12,015,402 km (0.091 R)
• M12: 13,693,740 km (0.101 R)
• M13: 14,785,805 km (0.059 R)
• M14: 15,051,042 km (0.071 R)
• M15: 15,796,638 km (0.068 R)
• M16: 19,104,845 km (0.072 R)
• M17: 19,898,013 km (0.106 R)
• M18: 22,063,143 km (0.095 R)
• M19: 23,113,469 km (0.117 R)
• M20: 24,844,018 km (0.1 R)
• M21: 25,693,135 km (0.095 R)
• M22: 33,536,402 km (0.083 R)
• M23: 42,302,538 km (0.12 R)
• M24: 44,745,022 km (0.038 R)
• M25: 47,280,108 km (0.113 R)
• M26: 47,567,485 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.6

Radius: 7.2

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.55 AU - 7.57 AU

Year: 14611 Days

Day: 17.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,434,251 km

• M1: 91,554 km (0.108 R)
• M2: 857,495 km (0.107 R)
• M3: 2,067,592 km (0.08 R)
• M4: 3,410,383 km (0.101 R)
• M5: 4,304,978 km (0.067 R)
• M6: 5,132,703 km (0.082 R)
• M7: 6,513,192 km (0.086 R)
• M8: 7,366,199 km (0.103 R)
• M9: 16,240,195 km (0.097 R)
• M10: 16,637,826 km (0.056 R)
• M11: 23,493,298 km (0.079 R)
• M12: 27,117,307 km (0.12 R)
• M13: 37,253,759 km (0.106 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 11,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit