🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.55 AU - 0.59 AU

Year: 153 Days

Day: 29.9 Hours

Environment

Temp: 169 °C

Axial Tilt: 23.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.31 AU - 1.31 AU

Year: 532 Days

Day: 22.8 Hours

Environment

Temp: -7 °C

Axial Tilt: 175.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.38 AU - 1.7 AU

Year: 678 Days

Day: 47 Hours

Environment

Temp: -36 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 69,654,174 km

• M1: 110,403 km (0.092 R)
• M2: 261,048 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.3

Radius: 5.6

Gravity: 18.6 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 11.91 AU - 16.49 AU

Year: 18983 Days

Day: 15.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,654,174 km

• M1: 70,161 km (0.11 R)
• M2: 411,544 km (0.063 R)
• M3: 1,007,691 km (0.042 R)
• M4: 1,321,099 km (0.049 R)
• M5: 1,837,959 km (0.112 R)
• M6: 3,481,292 km (0.074 R)
• M7: 3,918,118 km (0.103 R)
• M8: 5,007,190 km (0.085 R)
• M9: 6,410,568 km (0.069 R)
• M10: 7,621,712 km (0.051 R)
• M11: 8,206,191 km (0.107 R)
• M12: 9,409,108 km (0.116 R)
• M13: 10,196,441 km (0.11 R)
• M14: 12,224,390 km (0.046 R)
• M15: 15,632,080 km (0.104 R)
• M16: 17,970,893 km (0.09 R)
• M17: 18,225,509 km (0.091 R)
• M18: 19,356,169 km (0.074 R)
• M19: 19,623,650 km (0.099 R)
• M20: 24,452,221 km (0.118 R)
• M21: 24,974,766 km (0.114 R)
• M22: 25,185,699 km (0.089 R)
• M23: 28,266,966 km (0.058 R)
• M24: 30,495,227 km (0.097 R)
• M25: 33,859,084 km (0.092 R)
• M26: 43,714,592 km (0.097 R)
• M27: 44,638,808 km (0.032 R)
• M28: 46,685,905 km (0.088 R)
• M29: 47,813,574 km (0.086 R)
• M30: 50,459,362 km (0.099 R)
• M31: 54,077,835 km (0.077 R)
• M32: 54,964,053 km (0.06 R)
• M33: 56,221,124 km (0.073 R)
• M34: 56,402,287 km (0.089 R)
• M35: 61,249,557 km (0.037 R)
• M36: 67,997,468 km (0.088 R)

Kuiper Belt

Range: 30.9 - 48.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 16,324 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit