🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.75 AU - 1.15 AU

Year: 332 Days

Day: 25.2 Hours

Environment

Temp: 169 °C

Axial Tilt: 24.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,555,081 km

• M1: 77,193 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.88 AU - 2.96 AU

Year: 1787 Days

Day: 35.2 Hours

Environment

Temp: -88 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.7

Radius: 9.5

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 10 AU - 12.38 AU

Year: 13407 Days

Day: 6.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,555,081 km

• M1: 118,332 km (0.083 R)
• M2: 747,541 km (0.097 R)
• M3: 1,084,136 km (0.12 R)
• M4: 1,426,715 km (0.119 R)
• M5: 1,941,032 km (0.1 R)
• M6: 2,493,946 km (0.098 R)
• M7: 3,101,613 km (0.103 R)
• M8: 4,861,033 km (0.043 R)
• M9: 5,702,222 km (0.116 R)
• M10: 6,139,048 km (0.089 R)
• M11: 8,667,252 km (0.07 R)
• M12: 10,160,987 km (0.085 R)
• M13: 11,474,157 km (0.097 R)
• M14: 12,958,766 km (0.093 R)
• M15: 14,301,556 km (0.105 R)
• M16: 16,305,270 km (0.115 R)
• M17: 17,791,675 km (0.042 R)
• M18: 23,985,775 km (0.077 R)
• M19: 25,028,921 km (0.038 R)
• M20: 30,153,994 km (0.08 R)
• M21: 36,060,567 km (0.088 R)
• M22: 41,604,365 km (0.072 R)
• M23: 45,935,971 km (0.085 R)
• M24: 46,515,962 km (0.099 R)
• M25: 48,434,704 km (0.058 R)
• M26: 50,559,293 km (0.104 R)
• M27: 50,867,764 km (0.118 R)
• M28: 51,644,476 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.2

Radius: 7.2

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 15 AU - 16.82 AU

Year: 22729 Days

Day: 18.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 76,555,081 km

• M1: 89,609 km (0.07 R)
• M2: 385,514 km (0.093 R)
• M3: 630,705 km (0.111 R)
• M4: 881,730 km (0.108 R)
• M5: 1,954,496 km (0.069 R)
• M6: 2,411,966 km (0.042 R)
• M7: 2,666,283 km (0.114 R)
• M8: 3,777,346 km (0.056 R)
• M9: 4,837,995 km (0.104 R)
• M10: 6,873,274 km (0.073 R)
• M11: 8,493,270 km (0.108 R)
• M12: 9,878,995 km (0.112 R)
• M13: 10,232,794 km (0.081 R)
• M14: 11,864,458 km (0.109 R)
• M15: 12,331,951 km (0.091 R)
• M16: 13,954,340 km (0.105 R)
• M17: 18,137,695 km (0.114 R)
• M18: 19,668,380 km (0.111 R)
• M19: 19,947,230 km (0.117 R)
• M20: 20,608,004 km (0.11 R)
• M21: 22,173,097 km (0.032 R)
• M22: 23,815,981 km (0.044 R)
• M23: 26,883,336 km (0.051 R)
• M24: 31,201,030 km (0.096 R)
• M25: 33,656,080 km (0.084 R)
• M26: 48,218,685 km (0.053 R)
• M27: 50,442,308 km (0.071 R)
• M28: 56,018,867 km (0.096 R)
• M29: 58,283,480 km (0.087 R)
• M30: 59,826,732 km (0.036 R)
• M31: 61,396,911 km (0.112 R)
• M32: 64,619,399 km (0.116 R)
• M33: 70,744,534 km (0.1 R)
• M34: 73,835,226 km (0.079 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 11,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit