🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.6 AU - 0.6 AU

Year: 170 Days

Day: 14.7 Hours

Environment

Temp: 207 °C

Axial Tilt: 41.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.88 AU - 1.06 AU

Year: 349 Days

Day: 20.3 Hours

Environment

Temp: 19 °C

Axial Tilt: 14.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 34,432,527 km

• M1: 40,092 km (0.068 R)
• M2: 152,739 km (0.056 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.93 AU - 1.43 AU

Year: 468 Days

Day: 34.2 Hours

Environment

Temp: 19 °C

Axial Tilt: 11.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.16 AU - 4.14 AU

Year: 2547 Days

Day: 33.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,432,527 km

• M1: 52,210 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.7

Radius: 7.3

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 10.69 AU - 14.73 AU

Year: 16550 Days

Day: 20.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,432,527 km

• M1: 92,451 km (0.117 R)
• M2: 553,811 km (0.108 R)
• M3: 4,230,777 km (0.115 R)
• M4: 4,754,220 km (0.076 R)
• M5: 5,349,620 km (0.078 R)
• M6: 5,742,314 km (0.111 R)
• M7: 6,484,170 km (0.102 R)
• M8: 9,919,087 km (0.045 R)
• M9: 10,699,539 km (0.106 R)
• M10: 14,463,122 km (0.037 R)
• M11: 16,894,387 km (0.083 R)
• M12: 17,872,308 km (0.112 R)
• M13: 21,330,113 km (0.047 R)
• M14: 24,300,678 km (0.047 R)
• M15: 25,545,482 km (0.115 R)
• M16: 30,664,422 km (0.033 R)
• M17: 32,810,403 km (0.1 R)
• M18: 33,919,971 km (0.102 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 10,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit