🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.56 AU - 0.56 AU

Year: 266 Days

Day: 37.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.51 AU - 0.77 AU

Year: 326 Days

Day: 41.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381

Radius: 12.4

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.73 AU - 1.05 AU

Year: 534 Days

Day: 8 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,920,988 km

• M1: 190,288 km (0.092 R)
• M2: 620,382 km (0.099 R)
• M3: 1,034,020 km (0.092 R)
• M4: 1,468,303 km (0.096 R)
• M5: 2,294,532 km (0.108 R)
• M6: 2,915,962 km (0.104 R)
• M7: 3,363,858 km (0.031 R)
• M8: 3,845,114 km (0.116 R)
• M9: 4,386,060 km (0.082 R)

Asteroid Belt

Center: 2.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.1

Radius: 10.6

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.2 AU - 4.7 AU

Year: 5969 Days

Day: 8.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 37,920,988 km

• M1: 131,796 km (0.065 R)
• M2: 562,338 km (0.111 R)
• M3: 1,313,021 km (0.108 R)
• M4: 1,697,188 km (0.059 R)
• M5: 2,496,340 km (0.096 R)
• M6: 3,094,582 km (0.098 R)
• M7: 3,714,964 km (0.117 R)
• M8: 4,055,149 km (0.065 R)
• M9: 4,389,800 km (0.111 R)
• M10: 4,743,000 km (0.035 R)
• M11: 5,821,751 km (0.075 R)
• M12: 6,249,152 km (0.045 R)
• M13: 6,768,256 km (0.067 R)
• M14: 7,581,470 km (0.091 R)
• M15: 8,132,140 km (0.119 R)
• M16: 12,384,759 km (0.1 R)
• M17: 14,472,996 km (0.099 R)
• M18: 15,259,432 km (0.043 R)
• M19: 16,010,413 km (0.107 R)
• M20: 17,927,210 km (0.078 R)
• M21: 18,692,703 km (0.075 R)
• M22: 20,513,458 km (0.106 R)
• M23: 22,369,968 km (0.082 R)
• M24: 22,932,007 km (0.063 R)
• M25: 23,585,750 km (0.119 R)
• M26: 24,251,760 km (0.043 R)
• M27: 24,674,374 km (0.118 R)
• M28: 27,132,865 km (0.113 R)
• M29: 30,429,852 km (0.108 R)
• M30: 33,149,093 km (0.093 R)
• M31: 37,807,720 km (0.096 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 15,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit