🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.6 AU - 0.72 AU

Year: 190 Days

Day: 38.8 Hours

Environment

Temp: 144 °C

Axial Tilt: 115.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 49,431,819 km

• M1: 56,548 km (0.108 R)
• M2: 222,602 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.67 AU - 0.69 AU

Year: 199 Days

Day: 26.8 Hours

Environment

Temp: 166 °C

Axial Tilt: 24 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.56 AU - 0.82 AU

Year: 203 Days

Day: 21.3 Hours

Environment

Temp: 220 °C

Axial Tilt: 23.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.33 AU - 3.57 AU

Year: 1798 Days

Day: 23.4 Hours

Environment

Temp: -84 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,431,819 km

• M1: 149,448 km (0.094 R)

Asteroid Belt

Center: 11.7 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 20.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.8

Radius: 6.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 17.18 AU - 23.72 AU

Year: 32808 Days

Day: 19.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,431,819 km

• M1: 85,570 km (0.109 R)
• M2: 377,136 km (0.112 R)
• M3: 1,686,417 km (0.068 R)
• M4: 2,728,665 km (0.11 R)
• M5: 4,174,529 km (0.092 R)
• M6: 4,433,034 km (0.058 R)
• M7: 5,784,202 km (0.108 R)
• M8: 8,890,751 km (0.112 R)
• M9: 10,014,680 km (0.113 R)
• M10: 10,374,912 km (0.074 R)
• M11: 11,395,917 km (0.077 R)
• M12: 12,541,537 km (0.117 R)
• M13: 14,207,310 km (0.109 R)
• M14: 17,671,996 km (0.102 R)
• M15: 26,995,534 km (0.079 R)
• M16: 33,370,647 km (0.117 R)
• M17: 34,522,252 km (0.119 R)
• M18: 35,343,993 km (0.07 R)
• M19: 36,661,651 km (0.103 R)
• M20: 39,777,326 km (0.11 R)
• M21: 46,672,142 km (0.03 R)
• M22: 47,532,180 km (0.037 R)

Kuiper Belt

Range: 30.9 - 45.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 11,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit