🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.85 AU - 1.35 AU

Year: 419 Days

Day: 17.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 38.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.5 AU - 2.18 AU

Year: 907 Days

Day: 15.9 Hours

Environment

Temp: -46 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,403,677 km

• M1: 40,990 km (0.074 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.78 AU - 2.02 AU

Year: 952 Days

Day: 45.6 Hours

Environment

Temp: -53 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.84 AU - 4.7 AU

Year: 2660 Days

Day: 46.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.11 AU - 4.31 AU

Year: 3139 Days

Day: 32.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 13.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351

Radius: 5.5

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 12.21 AU - 15.07 AU

Year: 18308 Days

Day: 24.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 57,403,677 km

• M1: 73,453 km (0.098 R)
• M2: 195,524 km (0.102 R)
• M3: 322,832 km (0.105 R)
• M4: 633,996 km (0.055 R)
• M5: 690,245 km (0.084 R)
• M6: 828,174 km (0.085 R)
• M7: 869,313 km (0.119 R)
• M8: 911,051 km (0.09 R)
• M9: 1,153,100 km (0.045 R)
• M10: 1,365,679 km (0.119 R)
• M11: 1,590,674 km (0.112 R)
• M12: 2,131,770 km (0.106 R)
• M13: 2,188,766 km (0.027 R)
• M14: 3,365,952 km (0.119 R)
• M15: 3,567,161 km (0.051 R)
• M16: 3,669,337 km (0.093 R)
• M17: 4,816,902 km (0.034 R)
• M18: 5,119,838 km (0.057 R)
• M19: 5,904,329 km (0.11 R)
• M20: 6,228,507 km (0.084 R)
• M21: 6,516,782 km (0.085 R)
• M22: 6,936,404 km (0.096 R)
• M23: 7,106,647 km (0.077 R)
• M24: 7,149,432 km (0.069 R)
• M25: 7,978,653 km (0.056 R)
• M26: 8,067,664 km (0.099 R)
• M27: 8,291,761 km (0.103 R)
• M28: 8,517,804 km (0.11 R)
• M29: 8,976,171 km (0.118 R)
• M30: 10,156,648 km (0.09 R)
• M31: 10,937,549 km (0.055 R)
• M32: 11,285,215 km (0.106 R)
• M33: 11,889,590 km (0.037 R)
• M34: 12,504,437 km (0.068 R)
• M35: 12,972,379 km (0.082 R)
• M36: 13,182,265 km (0.09 R)
• M37: 13,446,006 km (0.118 R)
• M38: 13,552,071 km (0.08 R)
• M39: 14,194,145 km (0.069 R)
• M40: 14,356,160 km (0.04 R)
• M41: 14,900,846 km (0.072 R)
• M42: 16,122,611 km (0.042 R)
• M43: 17,145,861 km (0.087 R)
• M44: 17,781,502 km (0.109 R)
• M45: 19,016,433 km (0.114 R)
• M46: 19,314,431 km (0.084 R)
• M47: 20,339,476 km (0.107 R)
• M48: 20,461,249 km (0.083 R)
• M49: 21,073,553 km (0.068 R)
• M50: 22,128,367 km (0.103 R)
• M51: 22,316,262 km (0.107 R)
• M52: 22,693,698 km (0.109 R)
• M53: 23,009,948 km (0.117 R)
• M54: 23,136,807 km (0.118 R)
• M55: 23,967,075 km (0.116 R)
• M56: 24,031,252 km (0.054 R)
• M57: 24,289,009 km (0.025 R)
• M58: 24,807,067 km (0.079 R)
• M59: 27,855,872 km (0.096 R)
• M60: 27,923,490 km (0.114 R)
• M61: 30,184,063 km (0.065 R)
• M62: 30,253,477 km (0.063 R)
• M63: 31,301,110 km (0.116 R)
• M64: 32,645,247 km (0.087 R)
• M65: 33,002,038 km (0.044 R)
• M66: 33,791,466 km (0.12 R)
• M67: 33,935,679 km (0.117 R)
• M68: 34,007,934 km (0.079 R)
• M69: 34,732,586 km (0.07 R)
• M70: 34,878,145 km (0.11 R)
• M71: 35,682,234 km (0.086 R)
• M72: 36,123,398 km (0.095 R)
• M73: 36,640,408 km (0.101 R)
• M74: 37,681,759 km (0.082 R)
• M75: 37,981,104 km (0.031 R)
• M76: 41,556,643 km (0.063 R)
• M77: 42,564,334 km (0.042 R)
• M78: 44,603,952 km (0.116 R)
• M79: 46,114,441 km (0.11 R)
• M80: 47,480,120 km (0.089 R)
• M81: 47,560,903 km (0.119 R)
• M82: 48,127,430 km (0.059 R)
• M83: 48,858,964 km (0.1 R)
• M84: 50,086,564 km (0.078 R)
• M85: 50,827,971 km (0.113 R)
• M86: 51,655,995 km (0.036 R)
• M87: 52,739,233 km (0.105 R)
• M88: 53,241,583 km (0.07 R)
• M89: 54,420,115 km (0.115 R)
• M90: 54,843,028 km (0.062 R)
• M91: 55,607,174 km (0.073 R)
• M92: 55,947,808 km (0.096 R)

Kuiper Belt

Range: 30.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 16,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit