🌌 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: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.59 AU - 0.71 AU

Year: 200 Days

Day: 46.2 Hours

Environment

Temp: 157 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.6 AU - 0.72 AU

Year: 204 Days

Day: 28.2 Hours

Environment

Temp: 140 °C

Axial Tilt: 10.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.57 AU - 1.67 AU

Year: 785 Days

Day: 18.4 Hours

Environment

Temp: -50 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,402,329 km

• M1: 84,523 km (0.098 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.93 AU - 2.13 AU

Year: 1101 Days

Day: 33.3 Hours

Environment

Temp: -82 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,402,329 km

• M1: 507,586 km (0.098 R)
• M2: 1,001,707 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.8

Radius: 6

Gravity: 25.58 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 12.52 AU - 13 AU

Year: 17357 Days

Day: 17.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,402,329 km

• M1: 75,996 km (0.1 R)
• M2: 358,885 km (0.1 R)
• M3: 606,470 km (0.119 R)
• M4: 1,296,116 km (0.092 R)
• M5: 1,732,343 km (0.088 R)
• M6: 3,547,414 km (0.111 R)
• M7: 3,909,591 km (0.12 R)
• M8: 5,033,220 km (0.057 R)
• M9: 5,729,598 km (0.107 R)
• M10: 5,975,388 km (0.045 R)
• M11: 7,650,286 km (0.079 R)
• M12: 8,621,774 km (0.116 R)
• M13: 9,615,553 km (0.083 R)
• M14: 10,022,010 km (0.099 R)
• M15: 10,379,250 km (0.041 R)
• M16: 11,056,479 km (0.092 R)
• M17: 12,160,362 km (0.089 R)
• M18: 17,061,039 km (0.09 R)
• M19: 19,618,115 km (0.095 R)
• M20: 19,896,517 km (0.072 R)
• M21: 21,720,713 km (0.081 R)
• M22: 25,367,610 km (0.058 R)
• M23: 33,979,062 km (0.051 R)
• M24: 38,137,584 km (0.114 R)
• M25: 39,743,517 km (0.048 R)
• M26: 43,560,207 km (0.073 R)
• M27: 44,992,008 km (0.116 R)
• M28: 56,089,328 km (0.115 R)
• M29: 57,025,960 km (0.093 R)
• M30: 58,738,258 km (0.119 R)
• M31: 61,667,533 km (0.096 R)
• M32: 64,080,098 km (0.101 R)
• M33: 72,133,849 km (0.039 R)
• M34: 74,810,604 km (0.093 R)
• M35: 75,263,138 km (0.084 R)
• M36: 75,945,304 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 13,247 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit