🌌 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: 780.1

Radius: 8.3

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.71 AU - 0.91 AU

Year: 464 Days

Day: 7.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,264,453 km

• M1: 103,522 km (0.039 R)
• M2: 387,608 km (0.119 R)
• M3: 652,097 km (0.045 R)
• M4: 1,038,808 km (0.117 R)
• M5: 1,305,241 km (0.042 R)
• M6: 1,824,645 km (0.081 R)
• M7: 2,191,160 km (0.086 R)
• M8: 2,689,171 km (0.094 R)
• M9: 2,971,014 km (0.111 R)
• M10: 3,248,817 km (0.107 R)
• M11: 3,910,788 km (0.094 R)
• M12: 4,553,610 km (0.069 R)
• M13: 5,020,056 km (0.103 R)
• M14: 5,691,301 km (0.065 R)
• M15: 5,975,986 km (0.118 R)
• M16: 6,439,889 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.3

Radius: 8.7

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.03 AU - 1.13 AU

Year: 714 Days

Day: 12.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,264,453 km

• M1: 108,159 km (0.115 R)
• M2: 384,915 km (0.063 R)
• M3: 690,245 km (0.06 R)
• M4: 1,372,112 km (0.08 R)
• M5: 2,192,806 km (0.062 R)
• M6: 2,496,489 km (0.095 R)
• M7: 2,915,812 km (0.062 R)
• M8: 3,406,044 km (0.109 R)
• M9: 4,158,372 km (0.038 R)
• M10: 4,491,676 km (0.086 R)
• M11: 4,858,490 km (0.029 R)
• M12: 5,739,771 km (0.114 R)

Asteroid Belt

Center: 1.87 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73

Radius: 14.8

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.19 AU - 3.11 AU

Year: 2743 Days

Day: 5.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,264,453 km

• M1: 185,950 km (0.087 R)
• M2: 660,624 km (0.086 R)
• M3: 1,270,834 km (0.119 R)
• M4: 1,972,897 km (0.108 R)
• M5: 2,804,062 km (0.089 R)
• M6: 3,981,547 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.4

Radius: 13.2

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.44 AU - 4.5 AU

Year: 5029 Days

Day: 8.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,264,453 km

• M1: 164,109 km (0.077 R)
• M2: 668,852 km (0.055 R)
• M3: 1,147,565 km (0.089 R)
• M4: 1,594,265 km (0.098 R)
• M5: 2,102,448 km (0.102 R)
• M6: 2,685,132 km (0.09 R)
• M7: 3,296,539 km (0.034 R)
• M8: 3,846,909 km (0.086 R)
• M9: 4,434,530 km (0.096 R)
• M10: 5,160,079 km (0.057 R)
• M11: 5,649,414 km (0.106 R)
• M12: 6,534,136 km (0.048 R)
• M13: 8,211,577 km (0.098 R)
• M14: 9,347,025 km (0.042 R)
• M15: 9,994,035 km (0.092 R)
• M16: 10,670,667 km (0.076 R)
• M17: 12,115,932 km (0.088 R)
• M18: 16,410,737 km (0.109 R)
• M19: 16,877,632 km (0.113 R)
• M20: 17,777,014 km (0.11 R)
• M21: 20,667,843 km (0.107 R)
• M22: 24,915,226 km (0.108 R)
• M23: 25,923,665 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.2

Radius: 13.6

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.44 AU - 5.16 AU

Year: 5669 Days

Day: 5.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,264,453 km

• M1: 190,139 km (0.054 R)
• M2: 810,820 km (0.078 R)
• M3: 1,403,378 km (0.115 R)
• M4: 2,150,170 km (0.108 R)
• M5: 3,351,890 km (0.083 R)
• M6: 4,268,775 km (0.073 R)
• M7: 6,373,168 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.8

Radius: 6.1

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.43 AU - 6.53 AU

Year: 10488 Days

Day: 22 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,264,453 km

• M1: 76,145 km (0.067 R)
• M2: 672,592 km (0.09 R)
• M3: 1,056,311 km (0.106 R)
• M4: 1,246,898 km (0.118 R)
• M5: 1,784,403 km (0.07 R)
• M6: 3,048,954 km (0.12 R)
• M7: 3,509,566 km (0.086 R)
• M8: 5,292,025 km (0.092 R)
• M9: 7,073,885 km (0.039 R)
• M10: 7,760,539 km (0.083 R)
• M11: 9,177,231 km (0.107 R)
• M12: 9,579,350 km (0.076 R)
• M13: 10,905,834 km (0.11 R)
• M14: 14,211,199 km (0.04 R)
• M15: 15,239,236 km (0.088 R)
• M16: 18,128,719 km (0.108 R)
• M17: 24,196,857 km (0.087 R)
• M18: 29,139,272 km (0.106 R)
• M19: 29,812,911 km (0.113 R)
• M20: 30,496,872 km (0.101 R)
• M21: 31,091,374 km (0.074 R)
• M22: 32,611,438 km (0.099 R)
• M23: 34,286,785 km (0.05 R)
• M24: 35,689,564 km (0.044 R)
• M25: 36,682,894 km (0.087 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 18,000 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit