🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.3

Radius: 13.5

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.42 AU - 0.68 AU

Year: 277 Days

Day: 6.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,763,575 km

• M1: 168,298 km (0.1 R)
• M2: 617,540 km (0.089 R)
• M3: 1,213,089 km (0.091 R)
• M4: 1,885,232 km (0.117 R)
• M5: 2,413,911 km (0.096 R)
• M6: 3,786,771 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37

Radius: 8.8

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.92 AU - 1.46 AU

Year: 880 Days

Day: 8.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,763,575 km

• M1: 109,506 km (0.115 R)
• M2: 520,900 km (0.049 R)
• M3: 954,135 km (0.076 R)
• M4: 1,276,519 km (0.071 R)
• M5: 1,923,081 km (0.063 R)
• M6: 3,554,745 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.8

Radius: 9.5

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.27 AU - 2.11 AU

Year: 1490 Days

Day: 7 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,763,575 km

• M1: 118,332 km (0.053 R)
• M2: 665,262 km (0.111 R)
• M3: 1,009,187 km (0.051 R)
• M4: 1,710,053 km (0.059 R)
• M5: 3,733,514 km (0.096 R)
• M6: 4,141,467 km (0.084 R)
• M7: 5,062,242 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.6

Radius: 12.9

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4 AU - 4.14 AU

Year: 5569 Days

Day: 11.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,763,575 km

• M1: 160,369 km (0.092 R)
• M2: 569,968 km (0.102 R)
• M3: 974,780 km (0.067 R)
• M4: 1,478,326 km (0.11 R)
• M5: 1,964,968 km (0.067 R)
• M6: 2,770,403 km (0.102 R)
• M7: 3,608,001 km (0.092 R)
• M8: 4,871,804 km (0.067 R)
• M9: 5,429,804 km (0.037 R)
• M10: 5,906,872 km (0.112 R)
• M11: 7,153,022 km (0.096 R)
• M12: 8,646,907 km (0.066 R)
• M13: 12,857,937 km (0.113 R)
• M14: 16,000,839 km (0.115 R)
• M15: 17,174,434 km (0.06 R)
• M16: 17,750,087 km (0.113 R)
• M17: 18,939,988 km (0.064 R)
• M18: 24,879,173 km (0.064 R)
• M19: 27,741,579 km (0.077 R)
• M20: 29,524,337 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.1

Radius: 13.1

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.06 AU - 5.5 AU

Year: 7088 Days

Day: 13.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,763,575 km

• M1: 162,912 km (0.092 R)
• M2: 638,783 km (0.108 R)
• M3: 1,258,118 km (0.056 R)
• M4: 1,904,530 km (0.104 R)
• M5: 3,022,775 km (0.066 R)
• M6: 3,895,678 km (0.06 R)
• M7: 5,253,279 km (0.08 R)
• M8: 6,690,765 km (0.046 R)
• M9: 7,616,776 km (0.079 R)
• M10: 10,861,703 km (0.053 R)
• M11: 13,177,328 km (0.115 R)
• M12: 13,920,231 km (0.114 R)
• M13: 15,056,128 km (0.103 R)
• M14: 17,444,309 km (0.113 R)
• M15: 19,050,391 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 15,830 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit