🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.55 AU - 0.79 AU

Year: 200 Days

Day: 12.9 Hours

Environment

Temp: 210 °C

Axial Tilt: 10.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.77 AU - 0.87 AU

Year: 271 Days

Day: 38.5 Hours

Environment

Temp: 92 °C

Axial Tilt: 2.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 5.12 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.5

Radius: 14.7

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.19 AU - 11.65 AU

Year: 10560 Days

Day: 11.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,025,047 km

• M1: 182,958 km (0.096 R)
• M2: 654,491 km (0.105 R)
• M3: 1,282,652 km (0.104 R)
• M4: 3,054,789 km (0.083 R)
• M5: 3,598,726 km (0.115 R)
• M6: 4,233,171 km (0.1 R)
• M7: 5,145,419 km (0.05 R)
• M8: 7,552,149 km (0.074 R)
• M9: 8,063,325 km (0.114 R)
• M10: 9,875,554 km (0.116 R)
• M11: 13,998,172 km (0.097 R)
• M12: 18,226,556 km (0.1 R)
• M13: 19,955,309 km (0.09 R)
• M14: 21,555,707 km (0.066 R)
• M15: 25,010,969 km (0.076 R)
• M16: 26,062,343 km (0.101 R)
• M17: 29,010,318 km (0.096 R)
• M18: 30,073,211 km (0.089 R)
• M19: 30,663,674 km (0.062 R)
• M20: 33,103,765 km (0.118 R)
• M21: 33,945,253 km (0.109 R)
• M22: 34,693,093 km (0.113 R)
• M23: 36,555,137 km (0.1 R)
• M24: 38,714,134 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.4

Radius: 10.9

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 10.82 AU - 11.02 AU

Year: 13180 Days

Day: 11.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,025,047 km

• M1: 135,536 km (0.111 R)
• M2: 572,212 km (0.042 R)
• M3: 1,311,525 km (0.049 R)
• M4: 2,415,258 km (0.053 R)
• M5: 3,130,635 km (0.052 R)
• M6: 4,306,474 km (0.113 R)
• M7: 5,066,281 km (0.09 R)
• M8: 7,469,122 km (0.036 R)
• M9: 10,406,776 km (0.088 R)
• M10: 11,271,601 km (0.107 R)
• M11: 16,203,245 km (0.103 R)
• M12: 16,584,270 km (0.055 R)
• M13: 17,166,954 km (0.098 R)
• M14: 17,830,421 km (0.041 R)
• M15: 28,910,537 km (0.1 R)
• M16: 33,297,793 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 20,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit