🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.54 AU - 0.6 AU

Year: 153 Days

Day: 47.4 Hours

Environment

Temp: 172 °C

Axial Tilt: 0.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.81 AU - 1.81 AU

Year: 864 Days

Day: 33.8 Hours

Environment

Temp: -36 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,863,232 km

• M1: 166,502 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.89 AU - 2.03 AU

Year: 973 Days

Day: 33.8 Hours

Environment

Temp: -63 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.5

Radius: 10

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.83 AU - 10.31 AU

Year: 8900 Days

Day: 8.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,863,232 km

• M1: 128,505 km (0.111 R)
• M2: 491,579 km (0.113 R)
• M3: 1,848,730 km (0.069 R)
• M4: 2,228,260 km (0.086 R)
• M5: 3,412,028 km (0.092 R)
• M6: 4,826,925 km (0.057 R)
• M7: 5,649,713 km (0.053 R)
• M8: 6,527,703 km (0.077 R)
• M9: 9,208,048 km (0.058 R)
• M10: 9,895,899 km (0.069 R)
• M11: 11,067,400 km (0.093 R)
• M12: 11,425,837 km (0.045 R)
• M13: 12,937,972 km (0.059 R)
• M14: 16,028,065 km (0.042 R)
• M15: 29,150,491 km (0.084 R)
• M16: 29,638,480 km (0.107 R)
• M17: 30,330,968 km (0.115 R)
• M18: 36,264,768 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.2

Radius: 9.4

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 10.58 AU - 11.24 AU

Year: 12784 Days

Day: 5.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,863,232 km

• M1: 116,836 km (0.069 R)
• M2: 410,646 km (0.105 R)
• M3: 1,079,648 km (0.102 R)
• M4: 1,564,495 km (0.092 R)
• M5: 2,041,861 km (0.053 R)
• M6: 3,141,106 km (0.112 R)
• M7: 5,224,257 km (0.054 R)
• M8: 6,944,034 km (0.069 R)
• M9: 7,504,278 km (0.096 R)
• M10: 7,955,615 km (0.115 R)
• M11: 10,825,500 km (0.063 R)
• M12: 13,915,594 km (0.034 R)
• M13: 14,322,051 km (0.085 R)
• M14: 15,372,976 km (0.088 R)
• M15: 19,838,174 km (0.12 R)
• M16: 25,099,381 km (0.08 R)
• M17: 27,568,344 km (0.062 R)
• M18: 28,752,412 km (0.115 R)
• M19: 29,746,041 km (0.059 R)
• M20: 45,120,214 km (0.092 R)

Kuiper Belt

Range: 30.9 - 46.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 11,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit