🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.53 AU - 0.57 AU

Year: 153 Days

Day: 37.8 Hours

Environment

Temp: 195 °C

Axial Tilt: 28.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.45 AU - 0.73 AU

Year: 170 Days

Day: 39.4 Hours

Environment

Temp: 204 °C

Axial Tilt: 2.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.07 AU - 1.75 AU

Year: 627 Days

Day: 18.7 Hours

Environment

Temp: -40 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 92,474,664 km

• M1: 62,083 km (0.051 R)
• M2: 140,323 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.6

Radius: 5.3

Gravity: 30.1 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 13.27 AU - 18.85 AU

Year: 24118 Days

Day: 22.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 92,474,664 km

• M1: 81,232 km (0.08 R)
• M2: 544,387 km (0.109 R)
• M3: 1,727,855 km (0.042 R)
• M4: 2,818,873 km (0.109 R)
• M5: 8,154,281 km (0.116 R)
• M6: 10,543,209 km (0.07 R)
• M7: 11,206,077 km (0.075 R)
• M8: 11,826,160 km (0.089 R)
• M9: 12,541,687 km (0.111 R)
• M10: 17,089,462 km (0.115 R)
• M11: 19,044,707 km (0.102 R)
• M12: 22,626,678 km (0.079 R)
• M13: 29,250,572 km (0.077 R)
• M14: 36,459,544 km (0.058 R)
• M15: 37,209,329 km (0.036 R)
• M16: 45,454,266 km (0.069 R)
• M17: 66,315,390 km (0.105 R)
• M18: 68,107,871 km (0.058 R)
• M19: 73,440,587 km (0.076 R)
• M20: 75,117,130 km (0.09 R)
• M21: 78,795,592 km (0.054 R)
• M22: 79,545,377 km (0.108 R)
• M23: 90,821,316 km (0.036 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 19,811 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit