🌌 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: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.53 AU - 0.71 AU

Year: 178 Days

Day: 46.4 Hours

Environment

Temp: 219 °C

Axial Tilt: 9.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.61 AU - 0.81 AU

Year: 219 Days

Day: 19.9 Hours

Environment

Temp: 144 °C

Axial Tilt: 21.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.91 AU - 2.45 AU

Year: 1176 Days

Day: 39 Hours

Environment

Temp: -81 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,327,703 km

• M1: 33,061 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.96 AU - 2.7 AU

Year: 1299 Days

Day: 43.7 Hours

Environment

Temp: -84 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,327,703 km

• M1: 997,668 km (0.103 R)
• M2: 2,165,878 km (0.092 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.58 AU - 2.6 AU

Year: 1522 Days

Day: 14.9 Hours

Environment

Temp: -94 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.09 AU - 4.21 AU

Year: 2547 Days

Day: 41.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,327,703 km

• M1: 443,109 km (0.102 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.84 AU - 4.6 AU

Year: 3166 Days

Day: 36.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 49.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.8

Radius: 9.4

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.2 AU - 8.62 AU

Year: 6634 Days

Day: 7.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 40,327,703 km

• M1: 118,182 km (0.105 R)
• M2: 369,058 km (0.119 R)
• M3: 438,621 km (0.115 R)
• M4: 500,704 km (0.105 R)
• M5: 607,517 km (0.058 R)
• M6: 693,237 km (0.113 R)
• M7: 1,061,098 km (0.051 R)
• M8: 1,130,960 km (0.102 R)
• M9: 1,202,617 km (0.086 R)
• M10: 1,485,058 km (0.042 R)
• M11: 1,563,896 km (0.094 R)
• M12: 1,936,844 km (0.049 R)
• M13: 2,133,714 km (0.042 R)
• M14: 2,523,417 km (0.097 R)
• M15: 2,594,476 km (0.075 R)
• M16: 2,763,073 km (0.087 R)
• M17: 3,136,619 km (0.096 R)
• M18: 3,394,675 km (0.114 R)
• M19: 3,686,540 km (0.054 R)
• M20: 4,014,160 km (0.086 R)
• M21: 4,153,585 km (0.104 R)
• M22: 4,552,263 km (0.047 R)
• M23: 4,963,358 km (0.067 R)
• M24: 5,083,036 km (0.044 R)
• M25: 6,267,104 km (0.095 R)
• M26: 6,331,730 km (0.094 R)
• M27: 7,739,745 km (0.092 R)
• M28: 8,123,912 km (0.068 R)
• M29: 8,336,192 km (0.116 R)
• M30: 8,874,894 km (0.1 R)
• M31: 9,203,560 km (0.098 R)
• M32: 9,424,815 km (0.109 R)
• M33: 10,137,350 km (0.048 R)
• M34: 10,365,936 km (0.032 R)
• M35: 10,711,956 km (0.108 R)
• M36: 10,828,193 km (0.106 R)
• M37: 11,061,865 km (0.106 R)
• M38: 11,534,295 km (0.084 R)
• M39: 11,933,123 km (0.071 R)
• M40: 12,295,748 km (0.035 R)
• M41: 12,498,902 km (0.099 R)
• M42: 12,580,433 km (0.082 R)
• M43: 12,908,351 km (0.08 R)
• M44: 13,280,701 km (0.111 R)
• M45: 13,405,615 km (0.09 R)
• M46: 13,951,497 km (0.109 R)
• M47: 14,547,346 km (0.057 R)
• M48: 14,719,084 km (0.078 R)
• M49: 14,805,252 km (0.115 R)
• M50: 14,978,038 km (0.117 R)
• M51: 15,195,105 km (0.103 R)
• M52: 15,413,069 km (0.1 R)
• M53: 16,832,603 km (0.06 R)
• M54: 17,284,837 km (0.096 R)
• M55: 17,740,961 km (0.068 R)
• M56: 18,618,652 km (0.097 R)
• M57: 19,274,339 km (0.117 R)
• M58: 19,889,934 km (0.092 R)
• M59: 20,656,624 km (0.115 R)
• M60: 22,268,092 km (0.056 R)
• M61: 22,913,906 km (0.095 R)
• M62: 23,013,837 km (0.089 R)
• M63: 23,164,033 km (0.116 R)
• M64: 23,717,396 km (0.099 R)
• M65: 23,919,652 km (0.072 R)
• M66: 24,274,947 km (0.06 R)
• M67: 25,403,364 km (0.114 R)
• M68: 27,022,013 km (0.077 R)
• M69: 27,392,118 km (0.118 R)
• M70: 29,322,080 km (0.063 R)
• M71: 29,430,539 km (0.117 R)
• M72: 30,193,787 km (0.091 R)
• M73: 30,303,442 km (0.089 R)
• M74: 31,851,182 km (0.114 R)
• M75: 31,962,782 km (0.097 R)
• M76: 32,074,531 km (0.092 R)
• M77: 32,242,231 km (0.043 R)
• M78: 33,765,137 km (0.093 R)
• M79: 34,908,214 km (0.028 R)
• M80: 36,588,348 km (0.116 R)
• M81: 38,531,924 km (0.099 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 15,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit