🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.52 AU - 0.8 AU

Year: 167 Days

Day: 30.7 Hours

Environment

Temp: 328 °C

Axial Tilt: 22.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.59 AU - 0.93 AU

Year: 207 Days

Day: 12.7 Hours

Environment

Temp: 234 °C

Axial Tilt: 19.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.88 AU - 1.1 AU

Year: 307 Days

Day: 46.8 Hours

Environment

Temp: 153 °C

Axial Tilt: 33.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.28 AU - 1.6 AU

Year: 539 Days

Day: 39.6 Hours

Environment

Temp: 117 °C

Axial Tilt: 5.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 90,644,275 km

• M1: 70,909 km (0.074 R)

Planet 5 - Terrestrial

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.58 AU - 8.8 AU

Year: 7314 Days

Day: 20.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 12.97 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 17.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.1

Radius: 7

Gravity: 17.39 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 17.37 AU - 18.11 AU

Year: 23316 Days

Day: 17.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 90,644,275 km

• M1: 87,365 km (0.104 R)
• M2: 451,038 km (0.106 R)
• M3: 844,630 km (0.119 R)
• M4: 1,064,538 km (0.045 R)
• M5: 1,606,382 km (0.109 R)
• M6: 1,990,998 km (0.113 R)
• M7: 2,784,914 km (0.063 R)
• M8: 3,082,315 km (0.099 R)
• M9: 3,646,299 km (0.045 R)
• M10: 9,731,042 km (0.074 R)
• M11: 12,099,625 km (0.028 R)
• M12: 13,041,793 km (0.026 R)
• M13: 15,820,573 km (0.114 R)
• M14: 16,681,659 km (0.111 R)
• M15: 17,939,328 km (0.07 R)
• M16: 27,323,303 km (0.03 R)
• M17: 31,015,229 km (0.112 R)
• M18: 31,549,293 km (0.106 R)
• M19: 36,044,261 km (0.12 R)
• M20: 43,226,604 km (0.081 R)
• M21: 44,397,058 km (0.113 R)
• M22: 46,452,383 km (0.076 R)
• M23: 48,212,851 km (0.118 R)
• M24: 48,929,424 km (0.089 R)
• M25: 49,834,940 km (0.082 R)
• M26: 52,430,015 km (0.088 R)
• M27: 53,760,688 km (0.109 R)
• M28: 54,145,005 km (0.072 R)
• M29: 54,724,846 km (0.04 R)
• M30: 55,897,095 km (0.092 R)
• M31: 57,085,799 km (0.101 R)
• M32: 66,103,260 km (0.087 R)
• M33: 80,206,300 km (0.111 R)
• M34: 81,971,704 km (0.096 R)
• M35: 83,248,522 km (0.108 R)
• M36: 89,024,047 km (0.092 R)

Kuiper Belt

Range: 35.1 - 65.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 18,872 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit