🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.69 AU - 0.81 AU

Year: 232 Days

Day: 19.2 Hours

Environment

Temp: 171 °C

Axial Tilt: 20.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,192,787 km

• M1: 199,264 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.3 AU - 1.96 AU

Year: 742 Days

Day: 18.8 Hours

Environment

Temp: -43 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.14 AU - 2.48 AU

Year: 1251 Days

Day: 25.7 Hours

Environment

Temp: -68 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.5

Radius: 11.1

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.37 AU - 6.27 AU

Year: 5005 Days

Day: 10.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,192,787 km

• M1: 138,079 km (0.08 R)
• M2: 550,221 km (0.042 R)
• M3: 983,157 km (0.106 R)
• M4: 1,363,285 km (0.084 R)
• M5: 2,131,321 km (0.089 R)
• M6: 3,187,631 km (0.025 R)
• M7: 3,810,108 km (0.05 R)
• M8: 6,696,001 km (0.116 R)
• M9: 7,718,652 km (0.105 R)
• M10: 8,364,765 km (0.082 R)
• M11: 9,129,360 km (0.088 R)
• M12: 10,612,922 km (0.116 R)
• M13: 11,851,592 km (0.092 R)
• M14: 14,557,219 km (0.073 R)
• M15: 15,663,047 km (0.116 R)
• M16: 18,172,701 km (0.076 R)
• M17: 19,111,128 km (0.093 R)
• M18: 20,722,447 km (0.103 R)
• M19: 21,598,342 km (0.111 R)
• M20: 22,422,626 km (0.106 R)
• M21: 22,958,037 km (0.061 R)
• M22: 23,501,975 km (0.091 R)
• M23: 26,691,252 km (0.09 R)
• M24: 28,522,928 km (0.101 R)
• M25: 29,423,956 km (0.074 R)
• M26: 30,811,028 km (0.1 R)
• M27: 31,951,562 km (0.106 R)
• M28: 32,727,526 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.7

Radius: 3.4

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 12.26 AU - 18.2 AU

Year: 21186 Days

Day: 20.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,192,787 km

• M1: 42,935 km (0.105 R)
• M2: 722,707 km (0.087 R)
• M3: 942,317 km (0.1 R)
• M4: 1,800,111 km (0.08 R)
• M5: 3,892,237 km (0.088 R)
• M6: 4,015,356 km (0.109 R)
• M7: 4,809,572 km (0.109 R)
• M8: 7,316,832 km (0.116 R)
• M9: 17,197,622 km (0.083 R)
• M10: 17,462,859 km (0.11 R)
• M11: 19,756,493 km (0.087 R)
• M12: 22,479,174 km (0.113 R)
• M13: 25,959,270 km (0.088 R)
• M14: 26,837,708 km (0.042 R)
• M15: 30,453,190 km (0.051 R)
• M16: 34,590,319 km (0.12 R)

Kuiper Belt

Range: 30.8 - 60.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 12,028 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit