🌌 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: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.46 AU - 0.68 AU

Year: 155 Days

Day: 28.7 Hours

Environment

Temp: 168 °C

Axial Tilt: 20.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.01 AU - 1.21 AU

Year: 421 Days

Day: 35.9 Hours

Environment

Temp: 29 °C

Axial Tilt: 39.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.31 AU - 2.33 AU

Year: 1272 Days

Day: 28.3 Hours

Environment

Temp: -70 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.67 AU - 4.97 AU

Year: 3231 Days

Day: 45.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 18.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.2

Radius: 3.4

Gravity: 19.31 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 13.96 AU - 22.64 AU

Year: 28174 Days

Day: 19 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,796,103 km

• M1: 45,927 km (0.112 R)
• M2: 458,667 km (0.102 R)
• M3: 714,180 km (0.037 R)
• M4: 906,563 km (0.117 R)
• M5: 1,548,488 km (0.097 R)
• M6: 1,730,399 km (0.106 R)
• M7: 2,217,190 km (0.114 R)
• M8: 2,362,599 km (0.118 R)
• M9: 2,837,423 km (0.052 R)
• M10: 4,125,610 km (0.081 R)
• M11: 4,844,577 km (0.085 R)
• M12: 7,590,297 km (0.106 R)
• M13: 10,745,166 km (0.101 R)
• M14: 11,776,344 km (0.098 R)
• M15: 12,155,425 km (0.105 R)
• M16: 13,478,170 km (0.094 R)
• M17: 19,466,573 km (0.066 R)
• M18: 23,576,325 km (0.12 R)
• M19: 26,150,905 km (0.081 R)
• M20: 27,450,611 km (0.105 R)
• M21: 29,020,790 km (0.054 R)
• M22: 29,711,633 km (0.067 R)
• M23: 31,849,835 km (0.053 R)
• M24: 37,503,737 km (0.074 R)
• M25: 40,566,006 km (0.1 R)
• M26: 41,574,295 km (0.06 R)
• M27: 45,619,871 km (0.106 R)
• M28: 54,482,198 km (0.099 R)
• M29: 55,532,525 km (0.074 R)

Kuiper Belt

Range: 30.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 17,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit