🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.99 AU - 1.39 AU

Year: 492 Days

Day: 28.3 Hours

Environment

Temp: -6 °C

Axial Tilt: 47.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 98,680,075 km

• M1: 63,729 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.19 AU - 1.41 AU

Year: 561 Days

Day: 22.8 Hours

Environment

Temp: -38 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,680,075 km

• M1: 15,259 km (0.06 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.63 AU - 3.87 AU

Year: 2219 Days

Day: 45.2 Hours

Environment

Temp: -112 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 98,680,075 km

• M1: 423,661 km (0.073 R)
• M2: 1,028,336 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.1

Radius: 6.4

Gravity: 15.46 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 17.58 AU - 19.9 AU

Year: 30726 Days

Day: 17.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 98,680,075 km

• M1: 80,184 km (0.105 R)
• M2: 399,277 km (0.111 R)
• M3: 714,031 km (0.094 R)
• M4: 1,232,986 km (0.045 R)
• M5: 1,459,776 km (0.057 R)
• M6: 1,893,759 km (0.084 R)
• M7: 10,447,766 km (0.091 R)
• M8: 16,844,720 km (0.11 R)
• M9: 17,958,028 km (0.1 R)
• M10: 19,119,356 km (0.058 R)
• M11: 23,352,228 km (0.056 R)
• M12: 24,969,829 km (0.106 R)
• M13: 33,466,540 km (0.07 R)
• M14: 42,514,219 km (0.092 R)
• M15: 44,569,843 km (0.055 R)
• M16: 77,864,495 km (0.096 R)
• M17: 85,152,155 km (0.111 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 18,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit