🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.08 AU - 1.58 AU

Year: 557 Days

Day: 18.5 Hours

Environment

Temp: -3 °C

Axial Tilt: 15.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 58,539,249 km

• M1: 195,076 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.34 AU - 1.74 AU

Year: 695 Days

Day: 12.5 Hours

Environment

Temp: -43 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.18 AU - 3.78 AU

Year: 2359 Days

Day: 41.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.67 AU - 4.31 AU

Year: 2370 Days

Day: 15.6 Hours

Environment

Temp: -106 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.2

Radius: 9.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.69 AU - 9.13 AU

Year: 8864 Days

Day: 8 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,539,249 km

• M1: 151,842 km (0.076 R)
• M2: 488,138 km (0.089 R)
• M3: 996,621 km (0.056 R)
• M4: 1,706,912 km (0.097 R)
• M5: 2,422,438 km (0.029 R)
• M6: 3,421,453 km (0.088 R)
• M7: 7,469,122 km (0.077 R)
• M8: 8,000,345 km (0.071 R)
• M9: 8,646,757 km (0.1 R)
• M10: 9,169,751 km (0.036 R)
• M11: 10,211,551 km (0.101 R)
• M12: 13,976,181 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.8

Radius: 12.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 9.02 AU - 13 AU

Year: 13277 Days

Day: 10.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,539,249 km

• M1: 160,519 km (0.065 R)
• M2: 620,532 km (0.059 R)
• M3: 2,475,246 km (0.045 R)
• M4: 3,022,625 km (0.108 R)
• M5: 3,650,038 km (0.111 R)
• M6: 5,339,597 km (0.079 R)
• M7: 5,768,943 km (0.093 R)
• M8: 6,299,267 km (0.118 R)
• M9: 10,194,496 km (0.062 R)
• M10: 14,413,007 km (0.081 R)
• M11: 15,535,888 km (0.098 R)
• M12: 17,640,132 km (0.04 R)
• M13: 18,597,708 km (0.093 R)
• M14: 19,006,858 km (0.09 R)
• M15: 20,013,203 km (0.059 R)
• M16: 21,769,183 km (0.047 R)
• M17: 25,990,236 km (0.112 R)
• M18: 27,440,139 km (0.118 R)
• M19: 32,703,291 km (0.09 R)
• M20: 34,392,401 km (0.114 R)
• M21: 34,885,475 km (0.054 R)
• M22: 42,153,688 km (0.043 R)
• M23: 43,575,466 km (0.086 R)
• M24: 44,589,590 km (0.109 R)
• M25: 49,426,837 km (0.106 R)
• M26: 50,212,974 km (0.115 R)

Kuiper Belt

Range: 30.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 12,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit