🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.48 AU - 0.54 AU

Year: 239 Days

Day: 39.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,322,407 km

• M1: 20,495 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.51 AU - 0.61 AU

Year: 275 Days

Day: 46.3 Hours

Environment

Temp: -117 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.64 AU - 0.66 AU

Year: 344 Days

Day: 14 Hours

Environment

Temp: -137 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.11 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.5

Radius: 10.8

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.53 AU - 1.61 AU

Year: 1291 Days

Day: 11.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,322,407 km

• M1: 136,433 km (0.098 R)
• M2: 638,484 km (0.054 R)
• M3: 1,429,557 km (0.042 R)
• M4: 1,782,758 km (0.073 R)
• M5: 2,760,679 km (0.076 R)
• M6: 3,171,026 km (0.041 R)
• M7: 4,098,682 km (0.11 R)
• M8: 5,018,709 km (0.05 R)
• M9: 6,298,220 km (0.084 R)
• M10: 7,495,302 km (0.043 R)
• M11: 8,467,239 km (0.093 R)
• M12: 8,954,480 km (0.108 R)
• M13: 9,369,763 km (0.03 R)
• M14: 10,335,118 km (0.113 R)
• M15: 11,093,281 km (0.111 R)
• M16: 11,468,771 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.3

Radius: 11.6

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.2 AU - 3.64 AU

Year: 3273 Days

Day: 5.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,322,407 km

• M1: 145,409 km (0.106 R)
• M2: 669,301 km (0.029 R)
• M3: 1,037,012 km (0.084 R)
• M4: 1,450,052 km (0.086 R)
• M5: 1,872,367 km (0.107 R)
• M6: 2,274,935 km (0.083 R)
• M7: 3,662,904 km (0.062 R)
• M8: 6,104,042 km (0.057 R)
• M9: 6,692,710 km (0.107 R)
• M10: 7,746,627 km (0.064 R)
• M11: 10,757,882 km (0.066 R)
• M12: 11,398,759 km (0.044 R)
• M13: 11,840,073 km (0.086 R)
• M14: 14,169,910 km (0.048 R)
• M15: 15,362,505 km (0.107 R)
• M16: 17,536,162 km (0.118 R)
• M17: 19,780,878 km (0.079 R)
• M18: 20,419,062 km (0.115 R)
• M19: 22,347,828 km (0.064 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: 353 - 18,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit