🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.6

Radius: 12.2

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.52 AU - 0.76 AU

Year: 360 Days

Day: 12.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,177,405 km

• M1: 151,692 km (0.045 R)
• M2: 660,923 km (0.091 R)
• M3: 1,139,936 km (0.108 R)
• M4: 1,686,267 km (0.048 R)
• M5: 2,395,361 km (0.1 R)
• M6: 2,922,544 km (0.098 R)
• M7: 3,901,213 km (0.115 R)
• M8: 4,302,584 km (0.099 R)
• M9: 4,745,544 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.5

Radius: 9.9

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.61 AU - 0.83 AU

Year: 429 Days

Day: 6.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,177,405 km

• M1: 123,119 km (0.088 R)
• M2: 627,862 km (0.12 R)
• M3: 1,093,710 km (0.116 R)
• M4: 1,525,749 km (0.081 R)
• M5: 1,840,951 km (0.111 R)
• M6: 2,200,285 km (0.112 R)
• M7: 2,523,118 km (0.027 R)
• M8: 2,857,768 km (0.094 R)
• M9: 3,387,644 km (0.118 R)
• M10: 3,700,453 km (0.097 R)
• M11: 4,070,708 km (0.087 R)
• M12: 4,814,059 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.8

Radius: 12.7

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.74 AU - 1.2 AU

Year: 672 Days

Day: 9.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,177,405 km

• M1: 157,975 km (0.096 R)
• M2: 553,363 km (0.115 R)
• M3: 948,899 km (0.1 R)
• M4: 1,440,179 km (0.112 R)
• M5: 2,194,152 km (0.057 R)
• M6: 2,799,425 km (0.118 R)
• M7: 3,209,622 km (0.093 R)
• M8: 3,619,969 km (0.095 R)
• M9: 4,594,899 km (0.11 R)
• M10: 5,102,035 km (0.112 R)
• M11: 6,209,808 km (0.068 R)
• M12: 6,977,245 km (0.059 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.2

Radius: 3.3

Gravity: 33.99 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8.98 AU - 9.72 AU

Year: 20097 Days

Day: 21.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,177,405 km

• M1: 46,375 km (0.056 R)
• M2: 184,005 km (0.106 R)
• M3: 758,312 km (0.046 R)
• M4: 3,037,734 km (0.071 R)
• M5: 3,504,779 km (0.105 R)
• M6: 3,726,932 km (0.07 R)
• M7: 7,761,586 km (0.107 R)
• M8: 12,102,019 km (0.083 R)
• M9: 14,214,341 km (0.082 R)
• M10: 15,211,111 km (0.052 R)
• M11: 16,406,249 km (0.054 R)
• M12: 19,066,099 km (0.066 R)
• M13: 21,537,007 km (0.057 R)
• M14: 28,964,541 km (0.096 R)
• M15: 35,698,390 km (0.086 R)
• M16: 50,344,022 km (0.114 R)
• M17: 53,990,919 km (0.112 R)
• M18: 54,160,862 km (0.093 R)
• M19: 59,785,443 km (0.119 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: 335 - 17,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit