🌌 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: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.47 AU - 0.65 AU

Year: 271 Days

Day: 27.4 Hours

Environment

Temp: -119 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117

Radius: 10.3

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.69 AU - 0.79 AU

Year: 411 Days

Day: 5.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,439,939 km

• M1: 128,056 km (0.116 R)
• M2: 612,005 km (0.118 R)
• M3: 943,663 km (0.105 R)
• M4: 1,472,791 km (0.054 R)
• M5: 1,859,651 km (0.087 R)
• M6: 2,572,784 km (0.07 R)
• M7: 3,149,185 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.9

Radius: 13.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.73 AU - 0.75 AU

Year: 411 Days

Day: 6.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,439,939 km

• M1: 170,392 km (0.057 R)
• M2: 910,303 km (0.108 R)
• M3: 1,648,718 km (0.103 R)
• M4: 2,602,105 km (0.091 R)
• M5: 3,149,933 km (0.097 R)
• M6: 3,774,354 km (0.109 R)
• M7: 4,385,761 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.6

Radius: 9.7

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.41 AU - 5.65 AU

Year: 6225 Days

Day: 8.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,439,939 km

• M1: 218,413 km (0.053 R)
• M2: 527,332 km (0.101 R)
• M3: 829,071 km (0.069 R)
• M4: 1,322,296 km (0.059 R)
• M5: 1,908,719 km (0.107 R)
• M6: 2,479,734 km (0.059 R)
• M7: 3,454,215 km (0.081 R)
• M8: 3,873,986 km (0.113 R)
• M9: 5,341,392 km (0.119 R)
• M10: 7,049,800 km (0.12 R)
• M11: 7,832,945 km (0.076 R)
• M12: 8,786,781 km (0.105 R)
• M13: 9,612,112 km (0.115 R)
• M14: 11,971,719 km (0.08 R)
• M15: 15,741,436 km (0.072 R)
• M16: 17,016,758 km (0.093 R)
• M17: 18,172,551 km (0.117 R)
• M18: 18,865,189 km (0.082 R)
• M19: 20,911,987 km (0.105 R)
• M20: 21,812,716 km (0.06 R)
• M21: 22,308,483 km (0.077 R)
• M22: 22,667,069 km (0.047 R)
• M23: 24,366,651 km (0.113 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 19,606 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit