🌌 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: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.42 AU - 0.66 AU

Year: 146 Days

Day: 18.1 Hours

Environment

Temp: 152 °C

Axial Tilt: 6.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.58 AU - 1.96 AU

Year: 864 Days

Day: 27.8 Hours

Environment

Temp: -66 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 26,409,201 km

• M1: 56,548 km (0.085 R)
• M2: 699,220 km (0.063 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.56 AU - 4.08 AU

Year: 2221 Days

Day: 30.9 Hours

Environment

Temp: -105 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.4

Radius: 14.2

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 10.01 AU - 11.27 AU

Year: 12740 Days

Day: 9.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,409,201 km

• M1: 176,675 km (0.11 R)
• M2: 640,129 km (0.086 R)
• M3: 1,821,952 km (0.119 R)
• M4: 2,309,193 km (0.07 R)
• M5: 4,357,188 km (0.046 R)
• M6: 5,348,872 km (0.076 R)
• M7: 6,526,656 km (0.069 R)
• M8: 10,928,573 km (0.038 R)
• M9: 11,696,310 km (0.095 R)
• M10: 17,553,216 km (0.096 R)
• M11: 22,770,591 km (0.1 R)
• M12: 24,917,919 km (0.071 R)
• M13: 31,692,159 km (0.067 R)
• M14: 40,292,092 km (0.113 R)
• M15: 40,849,943 km (0.084 R)
• M16: 41,696,218 km (0.071 R)
• M17: 42,698,374 km (0.114 R)
• M18: 48,264,312 km (0.037 R)
• M19: 57,580,071 km (0.089 R)
• M20: 58,288,118 km (0.114 R)
• M21: 59,721,415 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.7

Radius: 4.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 16.59 AU - 19.31 AU

Year: 27917 Days

Day: 22.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 26,409,201 km

• M1: 60,886 km (0.115 R)
• M2: 1,395,599 km (0.052 R)
• M3: 6,680,592 km (0.034 R)
• M4: 7,065,507 km (0.117 R)
• M5: 25,088,161 km (0.066 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 14,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit