🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.72 AU - 0.74 AU

Year: 238 Days

Day: 39.9 Hours

Environment

Temp: 162 °C

Axial Tilt: 35.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 69,008,685 km

• M1: 252,072 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.73 AU - 1.17 AU

Year: 353 Days

Day: 23.7 Hours

Environment

Temp: 3 °C

Axial Tilt: 156.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 69,008,685 km

• M1: 71,209 km (0.083 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1 AU - 1.24 AU

Year: 451 Days

Day: 42.4 Hours

Environment

Temp: -10 °C

Axial Tilt: 15.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.43 AU - 3.09 AU

Year: 1746 Days

Day: 22.6 Hours

Environment

Temp: -107 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.2 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.7

Radius: 4.7

Gravity: 25.2 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 10.89 AU - 16.37 AU

Year: 19162 Days

Day: 19.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 69,008,685 km

• M1: 58,642 km (0.088 R)
• M2: 224,397 km (0.086 R)
• M3: 585,526 km (0.091 R)
• M4: 1,023,549 km (0.076 R)
• M5: 1,188,405 km (0.038 R)
• M6: 1,523,954 km (0.056 R)
• M7: 2,072,978 km (0.1 R)
• M8: 3,694,469 km (0.063 R)
• M9: 6,093,570 km (0.073 R)
• M10: 6,946,428 km (0.069 R)
• M11: 7,308,903 km (0.097 R)
• M12: 7,541,677 km (0.11 R)
• M13: 8,421,313 km (0.114 R)
• M14: 9,044,238 km (0.058 R)
• M15: 9,421,674 km (0.085 R)
• M16: 10,735,742 km (0.096 R)
• M17: 11,973,664 km (0.04 R)
• M18: 13,791,727 km (0.118 R)
• M19: 14,877,359 km (0.09 R)
• M20: 16,650,692 km (0.054 R)
• M21: 19,881,407 km (0.119 R)
• M22: 21,834,408 km (0.101 R)
• M23: 22,709,256 km (0.063 R)
• M24: 24,218,848 km (0.12 R)
• M25: 24,736,457 km (0.079 R)
• M26: 25,580,189 km (0.066 R)
• M27: 29,497,259 km (0.11 R)
• M28: 30,206,652 km (0.113 R)
• M29: 30,445,560 km (0.09 R)
• M30: 36,027,057 km (0.119 R)
• M31: 37,110,145 km (0.057 R)
• M32: 38,634,398 km (0.082 R)
• M33: 41,659,716 km (0.094 R)
• M34: 44,067,793 km (0.079 R)
• M35: 45,306,014 km (0.115 R)
• M36: 47,046,137 km (0.106 R)
• M37: 49,159,356 km (0.088 R)
• M38: 49,324,512 km (0.094 R)
• M39: 49,490,117 km (0.076 R)
• M40: 52,360,751 km (0.089 R)
• M41: 66,758,199 km (0.11 R)
• M42: 68,595,860 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 16,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit