🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.88 AU - 1.1 AU

Year: 301 Days

Day: 43.1 Hours

Environment

Temp: 248 °C

Axial Tilt: 35 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.56 AU - 3.34 AU

Year: 1548 Days

Day: 32.6 Hours

Environment

Temp: -40 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.77 AU - 4.45 AU

Year: 2545 Days

Day: 18 Hours

Environment

Temp: -76 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,029,893 km

• M1: 1,518,867 km (0.068 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.6

Radius: 5.4

Gravity: 32.63 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 17.45 AU - 17.77 AU

Year: 22572 Days

Day: 23.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 131.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 92,029,893 km

• M1: 67,469 km (0.078 R)
• M2: 365,318 km (0.109 R)
• M3: 639,980 km (0.037 R)
• M4: 931,097 km (0.093 R)
• M5: 1,702,274 km (0.07 R)
• M6: 2,575,028 km (0.07 R)
• M7: 3,024,420 km (0.097 R)
• M8: 3,253,305 km (0.113 R)
• M9: 4,650,250 km (0.086 R)
• M10: 4,878,087 km (0.082 R)
• M11: 7,584,762 km (0.118 R)
• M12: 8,116,432 km (0.093 R)
• M13: 9,614,954 km (0.08 R)
• M14: 10,558,618 km (0.109 R)
• M15: 11,425,089 km (0.05 R)
• M16: 20,838,385 km (0.118 R)
• M17: 22,090,669 km (0.094 R)
• M18: 28,983,241 km (0.117 R)
• M19: 43,540,610 km (0.062 R)
• M20: 47,152,052 km (0.094 R)
• M21: 48,219,433 km (0.068 R)
• M22: 62,523,832 km (0.104 R)
• M23: 64,244,656 km (0.084 R)
• M24: 65,116,812 km (0.087 R)
• M25: 65,555,881 km (0.093 R)
• M26: 67,331,758 km (0.12 R)
• M27: 71,444,203 km (0.084 R)
• M28: 71,677,426 km (0.117 R)

Kuiper Belt

Range: 35.9 - 59.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 11,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit