🌌 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: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.53 AU - 0.63 AU

Year: 157 Days

Day: 18.8 Hours

Environment

Temp: 185 °C

Axial Tilt: 4.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.68 AU - 2.48 AU

Year: 1069 Days

Day: 39.5 Hours

Environment

Temp: -64 °C

Axial Tilt: 42.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,039,476 km

• M1: 9,275 km (0.053 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.15 AU - 3.37 AU

Year: 2098 Days

Day: 47.8 Hours

Environment

Temp: -92 °C

Axial Tilt: 49.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,039,476 km

• M1: 35,455 km (0.11 R)
• M2: 357,539 km (0.079 R)

Asteroid Belt

Center: 5.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.2

Radius: 11.4

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.21 AU - 9.29 AU

Year: 7690 Days

Day: 6.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,039,476 km

• M1: 225,743 km (0.048 R)
• M2: 642,822 km (0.073 R)
• M3: 1,332,917 km (0.114 R)
• M4: 2,271,195 km (0.08 R)
• M5: 3,523,179 km (0.111 R)
• M6: 5,741,566 km (0.071 R)
• M7: 6,363,145 km (0.069 R)
• M8: 7,988,975 km (0.083 R)
• M9: 8,688,495 km (0.106 R)
• M10: 9,348,670 km (0.106 R)
• M11: 12,328,959 km (0.089 R)
• M12: 16,177,813 km (0.117 R)
• M13: 16,584,420 km (0.071 R)
• M14: 18,531,287 km (0.047 R)
• M15: 25,358,784 km (0.105 R)
• M16: 25,987,245 km (0.059 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91

Radius: 7.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 16.76 AU - 21.02 AU

Year: 29265 Days

Day: 19.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,039,476 km

• M1: 98,884 km (0.086 R)
• M2: 457,321 km (0.059 R)
• M3: 1,194,539 km (0.092 R)
• M4: 6,919,799 km (0.026 R)
• M5: 11,322,764 km (0.113 R)
• M6: 12,885,613 km (0.096 R)
• M7: 22,107,873 km (0.03 R)
• M8: 24,164,394 km (0.072 R)
• M9: 31,863,598 km (0.047 R)
• M10: 42,916,637 km (0.099 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 11,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit