🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.44 AU - 0.62 AU

Year: 149 Days

Day: 34.2 Hours

Environment

Temp: 212 °C

Axial Tilt: 23.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.55 AU - 0.69 AU

Year: 188 Days

Day: 38.4 Hours

Environment

Temp: 172 °C

Axial Tilt: 12.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 87,628,928 km

• M1: 132,245 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.15 AU - 1.21 AU

Year: 494 Days

Day: 19 Hours

Environment

Temp: -29 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.9 AU - 3.04 AU

Year: 1495 Days

Day: 22.7 Hours

Environment

Temp: -95 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,628,928 km

• M1: 1,820,157 km (0.055 R)

Asteroid Belt

Center: 10.5 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 18.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.5

Radius: 3.5

Gravity: 36.29 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 13.96 AU - 23.08 AU

Year: 30685 Days

Day: 24.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,628,928 km

• M1: 43,533 km (0.104 R)
• M2: 191,186 km (0.11 R)
• M3: 754,721 km (0.085 R)
• M4: 1,151,455 km (0.089 R)
• M5: 1,347,428 km (0.103 R)
• M6: 1,905,129 km (0.103 R)
• M7: 3,219,795 km (0.116 R)
• M8: 4,516,061 km (0.096 R)
• M9: 5,905,077 km (0.069 R)
• M10: 6,625,690 km (0.112 R)
• M11: 9,078,945 km (0.092 R)
• M12: 9,729,846 km (0.116 R)
• M13: 10,795,880 km (0.102 R)
• M14: 11,256,492 km (0.089 R)
• M15: 14,378,450 km (0.1 R)
• M16: 14,775,034 km (0.103 R)
• M17: 16,093,589 km (0.103 R)
• M18: 16,521,140 km (0.117 R)
• M19: 17,398,980 km (0.116 R)
• M20: 21,222,104 km (0.118 R)
• M21: 29,446,097 km (0.104 R)
• M22: 32,058,225 km (0.058 R)
• M23: 35,105,384 km (0.118 R)
• M24: 43,226,604 km (0.119 R)
• M25: 55,558,704 km (0.084 R)
• M26: 60,753,640 km (0.101 R)
• M27: 70,039,928 km (0.054 R)
• M28: 70,266,419 km (0.107 R)
• M29: 82,226,170 km (0.102 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: 150 - 10,164 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit