🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.51 AU - 0.61 AU

Year: 152 Days

Day: 18.5 Hours

Environment

Temp: 192 °C

Axial Tilt: 33 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,025,303 km

• M1: 83,326 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.11 AU - 1.25 AU

Year: 466 Days

Day: 14.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 1.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 46,025,303 km

• M1: 65,374 km (0.07 R)

Planet 3 - Ice Giant

Semi-Major Axis: 15.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.3

Radius: 6.4

Gravity: 15.66 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 13.3 AU - 17.62 AU

Year: 22092 Days

Day: 22.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,025,303 km

• M1: 79,736 km (0.102 R)
• M2: 470,037 km (0.108 R)
• M3: 804,986 km (0.092 R)
• M4: 1,137,393 km (0.101 R)
• M5: 1,977,684 km (0.063 R)
• M6: 3,634,630 km (0.079 R)
• M7: 3,849,004 km (0.072 R)
• M8: 5,800,059 km (0.092 R)
• M9: 6,710,811 km (0.092 R)
• M10: 7,129,087 km (0.069 R)
• M11: 10,071,826 km (0.063 R)
• M12: 13,084,727 km (0.098 R)
• M13: 14,872,721 km (0.077 R)
• M14: 17,415,287 km (0.066 R)
• M15: 18,743,716 km (0.073 R)
• M16: 20,233,710 km (0.052 R)
• M17: 26,296,763 km (0.107 R)
• M18: 26,639,641 km (0.083 R)
• M19: 26,985,661 km (0.111 R)
• M20: 41,996,161 km (0.106 R)
• M21: 50,093,894 km (0.108 R)
• M22: 52,224,317 km (0.075 R)
• M23: 52,585,148 km (0.104 R)
• M24: 57,428,977 km (0.105 R)
• M25: 59,368,513 km (0.092 R)
• M26: 60,951,259 km (0.097 R)
• M27: 62,561,830 km (0.071 R)
• M28: 78,118,363 km (0.084 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.4

Radius: 4.7

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 13.13 AU - 18.03 AU

Year: 22350 Days

Day: 17.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,025,303 km

• M1: 60,737 km (0.075 R)
• M2: 1,056,759 km (0.119 R)
• M3: 1,536,669 km (0.117 R)
• M4: 2,349,285 km (0.111 R)
• M5: 2,541,069 km (0.081 R)
• M6: 3,203,339 km (0.114 R)
• M7: 3,637,173 km (0.047 R)
• M8: 4,953,784 km (0.094 R)
• M9: 5,141,978 km (0.092 R)
• M10: 6,337,115 km (0.087 R)
• M11: 6,786,358 km (0.109 R)
• M12: 8,349,057 km (0.114 R)
• M13: 10,646,731 km (0.104 R)
• M14: 12,278,694 km (0.099 R)
• M15: 13,034,911 km (0.108 R)
• M16: 14,639,797 km (0.119 R)
• M17: 16,441,105 km (0.093 R)
• M18: 16,860,578 km (0.095 R)
• M19: 17,144,066 km (0.098 R)
• M20: 19,218,988 km (0.118 R)
• M21: 20,799,490 km (0.089 R)
• M22: 24,850,749 km (0.115 R)
• M23: 25,310,464 km (0.112 R)
• M24: 27,012,289 km (0.083 R)
• M25: 32,463,636 km (0.119 R)
• M26: 33,345,365 km (0.069 R)
• M27: 33,568,266 km (0.038 R)
• M28: 43,720,576 km (0.093 R)
• M29: 45,339,225 km (0.037 R)
• M30: 45,750,021 km (0.081 R)

Kuiper Belt

Range: 30.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 13,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit