🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.72 AU - 0.92 AU

Year: 260 Days

Day: 28.5 Hours

Environment

Temp: 109 °C

Axial Tilt: 0.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,003,424 km

• M1: 136,882 km (0.03 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.38 AU - 2.16 AU

Year: 824 Days

Day: 24.7 Hours

Environment

Temp: -48 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,003,424 km

• M1: 18,251 km (0.04 R)

Asteroid Belt

Center: 3.82 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.2

Radius: 13.6

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.37 AU - 6.37 AU

Year: 4975 Days

Day: 9 Hours

Environment

Temp: -129 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,003,424 km

• M1: 169,195 km (0.108 R)
• M2: 687,402 km (0.027 R)
• M3: 1,220,569 km (0.094 R)
• M4: 2,517,732 km (0.095 R)
• M5: 3,933,227 km (0.11 R)
• M6: 4,440,364 km (0.111 R)
• M7: 5,045,936 km (0.077 R)
• M8: 6,923,240 km (0.051 R)
• M9: 7,740,044 km (0.114 R)
• M10: 9,565,886 km (0.087 R)
• M11: 10,263,760 km (0.089 R)
• M12: 10,763,118 km (0.116 R)
• M13: 11,663,996 km (0.088 R)
• M14: 12,208,084 km (0.119 R)
• M15: 13,833,465 km (0.1 R)
• M16: 14,956,047 km (0.045 R)
• M17: 15,717,650 km (0.093 R)
• M18: 16,628,551 km (0.072 R)
• M19: 20,770,617 km (0.104 R)
• M20: 21,867,618 km (0.096 R)
• M21: 24,336,282 km (0.084 R)
• M22: 28,026,862 km (0.046 R)
• M23: 29,275,406 km (0.114 R)
• M24: 31,028,693 km (0.04 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.7

Radius: 6.8

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 12.89 AU - 15.57 AU

Year: 18780 Days

Day: 23.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,003,424 km

• M1: 119,379 km (0.117 R)
• M2: 363,074 km (0.097 R)
• M3: 1,014,722 km (0.072 R)
• M4: 1,536,819 km (0.032 R)
• M5: 2,609,585 km (0.11 R)
• M6: 3,279,784 km (0.06 R)
• M7: 3,704,342 km (0.068 R)
• M8: 6,115,711 km (0.063 R)
• M9: 7,645,199 km (0.067 R)
• M10: 8,348,309 km (0.08 R)
• M11: 14,096,159 km (0.077 R)
• M12: 16,125,154 km (0.101 R)
• M13: 18,485,958 km (0.116 R)
• M14: 21,466,696 km (0.119 R)
• M15: 28,166,885 km (0.083 R)
• M16: 31,569,339 km (0.105 R)

Kuiper Belt

Range: 31.4 - 49.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 15,806 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit