🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.46 AU - 0.76 AU

Year: 313 Days

Day: 36.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831

Radius: 10.2

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.47 AU - 2.25 AU

Year: 1664 Days

Day: 5.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,236,501 km

• M1: 127,607 km (0.031 R)
• M2: 456,423 km (0.11 R)
• M3: 854,503 km (0.044 R)
• M4: 1,184,067 km (0.101 R)
• M5: 1,506,151 km (0.099 R)
• M6: 2,542,266 km (0.108 R)
• M7: 3,104,305 km (0.098 R)
• M8: 3,506,873 km (0.118 R)
• M9: 3,835,989 km (0.092 R)
• M10: 4,300,640 km (0.073 R)
• M11: 5,057,306 km (0.085 R)
• M12: 5,924,225 km (0.12 R)
• M13: 7,632,483 km (0.082 R)
• M14: 8,866,217 km (0.086 R)
• M15: 9,283,745 km (0.116 R)
• M16: 11,234,950 km (0.118 R)
• M17: 11,724,434 km (0.115 R)
• M18: 12,786,429 km (0.114 R)
• M19: 13,487,295 km (0.113 R)
• M20: 15,101,157 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.6

Radius: 10.7

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.73 AU - 2.09 AU

Year: 1732 Days

Day: 10 Hours

Environment

Temp: -188 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,236,501 km

• M1: 138,228 km (0.099 R)
• M2: 617,091 km (0.064 R)
• M3: 1,367,624 km (0.08 R)
• M4: 2,144,037 km (0.111 R)
• M5: 2,740,184 km (0.09 R)
• M6: 4,589,812 km (0.102 R)
• M7: 5,169,654 km (0.081 R)
• M8: 5,841,348 km (0.079 R)
• M9: 7,180,847 km (0.064 R)
• M10: 8,264,086 km (0.118 R)
• M11: 10,885,339 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.5

Radius: 5.4

Gravity: 22.31 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.7 AU - 12.24 AU

Year: 22224 Days

Day: 19.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,236,501 km

• M1: 111,301 km (0.118 R)
• M2: 1,081,293 km (0.078 R)
• M3: 1,443,919 km (0.117 R)
• M4: 3,274,099 km (0.079 R)
• M5: 4,194,126 km (0.045 R)
• M6: 4,859,388 km (0.111 R)
• M7: 7,819,780 km (0.096 R)
• M8: 11,017,584 km (0.085 R)
• M9: 11,535,791 km (0.026 R)
• M10: 13,624,776 km (0.108 R)
• M11: 19,452,510 km (0.108 R)
• M12: 20,788,868 km (0.074 R)
• M13: 25,948,199 km (0.054 R)
• M14: 27,330,185 km (0.066 R)
• M15: 39,443,872 km (0.078 R)
• M16: 45,083,562 km (0.086 R)
• M17: 48,437,397 km (0.049 R)
• M18: 52,314,675 km (0.119 R)
• M19: 62,494,062 km (0.111 R)
• M20: 64,760,170 km (0.047 R)
• M21: 75,984,798 km (0.06 R)
• M22: 80,236,519 km (0.115 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: 196 - 13,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit