🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.51 AU - 0.83 AU

Year: 191 Days

Day: 29.2 Hours

Environment

Temp: 204 °C

Axial Tilt: 11.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.15 AU - 1.55 AU

Year: 546 Days

Day: 31.7 Hours

Environment

Temp: 21 °C

Axial Tilt: 12.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.3 AU - 1.98 AU

Year: 731 Days

Day: 36.3 Hours

Environment

Temp: -32 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.75 AU - 2.77 AU

Year: 1183 Days

Day: 46.4 Hours

Environment

Temp: -63 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,059,318 km

• M1: 228,586 km (0.107 R)
• M2: 451,337 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.47 AU - 3.71 AU

Year: 1892 Days

Day: 39.1 Hours

Environment

Temp: -85 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,059,318 km

• M1: 45,029 km (0.032 R)
• M2: 235,018 km (0.084 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.27 AU - 4.57 AU

Year: 2703 Days

Day: 19.3 Hours

Environment

Temp: -112 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 11.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.1

Radius: 14.3

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 10.8 AU - 11.44 AU

Year: 12914 Days

Day: 10.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 56,059,318 km

• M1: 260,599 km (0.052 R)
• M2: 372,798 km (0.081 R)
• M3: 711,338 km (0.119 R)
• M4: 859,739 km (0.085 R)
• M5: 1,302,698 km (0.101 R)
• M6: 1,489,995 km (0.066 R)
• M7: 1,866,084 km (0.092 R)
• M8: 2,272,392 km (0.056 R)
• M9: 2,647,434 km (0.065 R)
• M10: 3,042,521 km (0.039 R)
• M11: 3,720,798 km (0.118 R)
• M12: 3,991,570 km (0.085 R)
• M13: 4,094,793 km (0.094 R)
• M14: 4,445,301 km (0.109 R)
• M15: 5,326,731 km (0.048 R)
• M16: 5,478,872 km (0.09 R)
• M17: 5,632,509 km (0.106 R)
• M18: 7,121,158 km (0.083 R)
• M19: 7,801,080 km (0.071 R)
• M20: 8,546,227 km (0.108 R)
• M21: 8,995,320 km (0.11 R)
• M22: 9,222,709 km (0.093 R)
• M23: 9,452,042 km (0.074 R)
• M24: 11,256,492 km (0.09 R)
• M25: 12,349,005 km (0.067 R)
• M26: 13,267,985 km (0.057 R)
• M27: 13,735,777 km (0.091 R)
• M28: 14,687,519 km (0.079 R)
• M29: 15,171,468 km (0.112 R)
• M30: 15,279,777 km (0.105 R)
• M31: 15,388,235 km (0.085 R)
• M32: 15,606,050 km (0.073 R)
• M33: 16,321,128 km (0.06 R)
• M34: 16,934,329 km (0.08 R)
• M35: 17,328,669 km (0.106 R)
• M36: 17,726,001 km (0.034 R)
• M37: 17,954,288 km (0.117 R)
• M38: 18,414,152 km (0.062 R)
• M39: 18,935,949 km (0.086 R)
• M40: 22,847,185 km (0.1 R)
• M41: 23,033,584 km (0.027 R)
• M42: 24,289,159 km (0.112 R)
• M43: 24,733,914 km (0.082 R)
• M44: 25,117,333 km (0.084 R)
• M45: 25,825,230 km (0.096 R)
• M46: 26,605,084 km (0.071 R)
• M47: 26,932,254 km (0.116 R)
• M48: 27,326,594 km (0.093 R)
• M49: 28,923,402 km (0.109 R)
• M50: 29,530,021 km (0.103 R)
• M51: 29,936,628 km (0.097 R)
• M52: 30,618,645 km (0.107 R)
• M53: 31,030,338 km (0.04 R)
• M54: 31,167,968 km (0.116 R)
• M55: 31,443,827 km (0.054 R)
• M56: 31,582,055 km (0.099 R)
• M57: 32,137,063 km (0.108 R)
• M58: 35,750,450 km (0.057 R)
• M59: 35,966,918 km (0.094 R)
• M60: 36,691,870 km (0.093 R)
• M61: 37,421,758 km (0.101 R)
• M62: 38,303,787 km (0.119 R)
• M63: 39,565,046 km (0.107 R)
• M64: 40,538,779 km (0.093 R)
• M65: 42,662,770 km (0.088 R)
• M66: 43,430,207 km (0.114 R)
• M67: 44,047,298 km (0.096 R)
• M68: 45,916,074 km (0.109 R)
• M69: 46,544,834 km (0.044 R)
• M70: 46,860,187 km (0.118 R)
• M71: 49,168,183 km (0.098 R)
• M72: 49,489,519 km (0.101 R)
• M73: 51,268,836 km (0.067 R)
• M74: 52,166,273 km (0.077 R)
• M75: 52,904,539 km (0.064 R)
• M76: 53,563,667 km (0.107 R)
• M77: 53,811,401 km (0.075 R)
• M78: 55,139,830 km (0.077 R)
• M79: 55,557,208 km (0.092 R)
• M80: 55,891,709 km (0.06 R)

Kuiper Belt

Range: 31.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 15,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit