🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.41 AU - 2.07 AU

Year: 860 Days

Day: 24.7 Hours

Environment

Temp: -52 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.03 AU - 2.57 AU

Year: 1307 Days

Day: 34.1 Hours

Environment

Temp: -84 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.22 AU - 4.42 AU

Year: 2798 Days

Day: 14 Hours

Environment

Temp: -133 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,311,103 km

• M1: 2,474,947 km (0.068 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.52 AU - 4.92 AU

Year: 3249 Days

Day: 16.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.8

Radius: 9.5

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 9.17 AU - 11.91 AU

Year: 12823 Days

Day: 9.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,311,103 km

• M1: 119,230 km (0.113 R)
• M2: 510,877 km (0.046 R)
• M3: 820,844 km (0.119 R)
• M4: 1,230,592 km (0.075 R)
• M5: 2,646,686 km (0.081 R)
• M6: 2,942,441 km (0.033 R)
• M7: 3,780,787 km (0.06 R)
• M8: 4,330,410 km (0.115 R)
• M9: 4,960,067 km (0.086 R)
• M10: 5,500,714 km (0.069 R)
• M11: 6,973,206 km (0.094 R)
• M12: 8,218,907 km (0.116 R)
• M13: 8,572,257 km (0.065 R)
• M14: 10,539,170 km (0.044 R)
• M15: 14,818,716 km (0.071 R)
• M16: 15,461,239 km (0.095 R)
• M17: 19,023,464 km (0.084 R)
• M18: 21,434,233 km (0.103 R)
• M19: 22,943,676 km (0.103 R)
• M20: 23,803,415 km (0.105 R)
• M21: 24,522,681 km (0.117 R)
• M22: 26,004,747 km (0.03 R)
• M23: 26,767,697 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.3

Radius: 7.8

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 15.31 AU - 19.25 AU

Year: 26918 Days

Day: 16.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,311,103 km

• M1: 97,388 km (0.098 R)
• M2: 675,883 km (0.118 R)
• M3: 1,047,035 km (0.116 R)
• M4: 2,050,538 km (0.08 R)
• M5: 3,730,373 km (0.1 R)
• M6: 5,144,222 km (0.096 R)
• M7: 6,840,811 km (0.106 R)
• M8: 8,828,818 km (0.107 R)
• M9: 13,974,386 km (0.111 R)
• M10: 23,397,406 km (0.067 R)
• M11: 24,914,329 km (0.107 R)
• M12: 26,819,906 km (0.055 R)
• M13: 32,619,367 km (0.114 R)
• M14: 39,062,697 km (0.09 R)
• M15: 55,445,160 km (0.107 R)
• M16: 62,608,205 km (0.063 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 14,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit