🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.62 AU - 0.94 AU

Year: 241 Days

Day: 24.6 Hours

Environment

Temp: 204 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.53 AU - 4.93 AU

Year: 3044 Days

Day: 27.6 Hours

Environment

Temp: -127 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.2

Radius: 8.3

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.42 AU - 7.1 AU

Year: 5479 Days

Day: 10.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,860,653 km

• M1: 104,419 km (0.114 R)
• M2: 479,012 km (0.114 R)
• M3: 828,024 km (0.103 R)
• M4: 1,282,802 km (0.1 R)
• M5: 1,714,242 km (0.069 R)
• M6: 2,332,081 km (0.11 R)
• M7: 3,034,144 km (0.076 R)
• M8: 3,404,100 km (0.089 R)
• M9: 4,426,152 km (0.068 R)
• M10: 4,851,459 km (0.06 R)
• M11: 5,222,013 km (0.03 R)
• M12: 5,842,395 km (0.094 R)
• M13: 6,140,095 km (0.116 R)
• M14: 6,701,835 km (0.059 R)
• M15: 7,963,693 km (0.101 R)
• M16: 9,457,877 km (0.032 R)
• M17: 10,639,999 km (0.066 R)
• M18: 11,266,664 km (0.084 R)
• M19: 12,156,323 km (0.102 R)
• M20: 13,603,234 km (0.071 R)
• M21: 15,050,294 km (0.116 R)
• M22: 15,441,642 km (0.104 R)
• M23: 15,782,575 km (0.078 R)
• M24: 17,015,262 km (0.043 R)
• M25: 18,374,209 km (0.086 R)
• M26: 21,658,331 km (0.103 R)
• M27: 21,942,567 km (0.09 R)
• M28: 24,383,555 km (0.041 R)
• M29: 26,754,532 km (0.093 R)
• M30: 28,079,969 km (0.095 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.3

Radius: 3.5

Gravity: 53.25 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 14.36 AU - 17.7 AU

Year: 22453 Days

Day: 21.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,860,653 km

• M1: 43,533 km (0.094 R)
• M2: 270,024 km (0.119 R)
• M3: 413,189 km (0.035 R)
• M4: 750,084 km (0.073 R)
• M5: 1,779,915 km (0.105 R)
• M6: 4,619,582 km (0.086 R)
• M7: 4,986,546 km (0.102 R)
• M8: 6,695,851 km (0.09 R)
• M9: 7,310,250 km (0.061 R)
• M10: 8,981,258 km (0.053 R)
• M11: 13,562,992 km (0.081 R)
• M12: 14,465,665 km (0.036 R)
• M13: 15,327,648 km (0.07 R)
• M14: 15,730,515 km (0.112 R)
• M15: 21,130,101 km (0.098 R)
• M16: 25,231,476 km (0.118 R)
• M17: 27,408,873 km (0.098 R)
• M18: 29,584,325 km (0.065 R)
• M19: 32,002,425 km (0.119 R)
• M20: 34,963,117 km (0.102 R)
• M21: 35,942,085 km (0.114 R)
• M22: 36,225,124 km (0.107 R)
• M23: 45,423,598 km (0.113 R)
• M24: 48,287,051 km (0.086 R)
• M25: 55,872,561 km (0.111 R)
• M26: 56,252,390 km (0.072 R)
• M27: 57,982,788 km (0.051 R)
• M28: 70,655,224 km (0.052 R)
• M29: 73,347,836 km (0.108 R)
• M30: 80,135,540 km (0.11 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 17,396 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit