🌌 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: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.56 AU - 0.74 AU

Year: 202 Days

Day: 12.5 Hours

Environment

Temp: 139 °C

Axial Tilt: 64.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 20,429,212 km

• M1: 36,203 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.87 AU - 0.93 AU

Year: 329 Days

Day: 23.6 Hours

Environment

Temp: 20 °C

Axial Tilt: 35.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 20,429,212 km

• M1: 37,549 km (0.112 R)
• M2: 813,214 km (0.073 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.19 AU - 2.83 AU

Year: 1531 Days

Day: 21 Hours

Environment

Temp: -99 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,429,212 km

• M1: 368,460 km (0.115 R)

Asteroid Belt

Center: 3.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.6

Radius: 13.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.69 AU - 4.43 AU

Year: 3150 Days

Day: 11.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 117.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,429,212 km

• M1: 169,195 km (0.096 R)
• M2: 595,100 km (0.073 R)
• M3: 1,067,979 km (0.067 R)
• M4: 1,617,153 km (0.115 R)
• M5: 2,141,194 km (0.116 R)
• M6: 2,825,156 km (0.113 R)
• M7: 3,289,059 km (0.108 R)
• M8: 6,595,920 km (0.1 R)
• M9: 9,310,822 km (0.105 R)
• M10: 9,820,651 km (0.073 R)
• M11: 10,387,478 km (0.089 R)
• M12: 11,339,818 km (0.088 R)
• M13: 12,006,576 km (0.077 R)
• M14: 13,010,826 km (0.117 R)
• M15: 14,260,118 km (0.089 R)
• M16: 14,988,061 km (0.115 R)
• M17: 16,943,156 km (0.087 R)
• M18: 17,484,850 km (0.09 R)
• M19: 18,319,007 km (0.08 R)
• M20: 19,179,494 km (0.093 R)
• M21: 19,708,622 km (0.063 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 13,008 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit