🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.1 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.65 AU - 4.75 AU

Year: 3011 Days

Day: 31.2 Hours

Environment

Temp: -110 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.22 AU - 4.3 AU

Year: 3076 Days

Day: 39.4 Hours

Environment

Temp: -119 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394

Radius: 12.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.03 AU - 7.39 AU

Year: 6773 Days

Day: 9.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,182,837 km

• M1: 179,966 km (0.117 R)
• M2: 960,418 km (0.086 R)
• M3: 1,695,841 km (0.101 R)
• M4: 2,642,048 km (0.096 R)
• M5: 3,314,341 km (0.111 R)
• M6: 4,484,495 km (0.074 R)
• M7: 6,126,631 km (0.082 R)
• M8: 6,666,829 km (0.116 R)
• M9: 7,308,155 km (0.111 R)
• M10: 7,843,267 km (0.076 R)
• M11: 8,481,152 km (0.12 R)
• M12: 9,440,523 km (0.099 R)
• M13: 9,946,613 km (0.084 R)
• M14: 15,410,974 km (0.046 R)
• M15: 16,473,269 km (0.098 R)
• M16: 17,332,858 km (0.115 R)
• M17: 18,875,661 km (0.049 R)
• M18: 21,215,521 km (0.097 R)
• M19: 25,239,255 km (0.11 R)
• M20: 27,558,022 km (0.108 R)
• M21: 30,652,005 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.8

Radius: 14.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.91 AU - 9.29 AU

Year: 7330 Days

Day: 14.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,182,837 km

• M1: 206,146 km (0.061 R)
• M2: 691,292 km (0.109 R)
• M3: 2,125,187 km (0.043 R)
• M4: 2,901,750 km (0.099 R)
• M5: 3,434,917 km (0.112 R)
• M6: 4,874,198 km (0.074 R)
• M7: 5,363,383 km (0.102 R)
• M8: 6,057,218 km (0.058 R)
• M9: 7,865,258 km (0.096 R)
• M10: 8,468,436 km (0.106 R)
• M11: 11,329,496 km (0.081 R)
• M12: 14,467,161 km (0.114 R)
• M13: 15,050,294 km (0.113 R)
• M14: 16,320,679 km (0.115 R)
• M15: 17,901,928 km (0.047 R)
• M16: 21,299,595 km (0.119 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 15,679 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit