🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.45 AU - 0.63 AU

Year: 252 Days

Day: 31.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,832,991 km

• M1: 84,373 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.56 AU - 0.72 AU

Year: 326 Days

Day: 41.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,832,991 km

• M1: 153,936 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.2

Radius: 10.3

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.93 AU - 1.17 AU

Year: 684 Days

Day: 13.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,832,991 km

• M1: 128,056 km (0.084 R)
• M2: 577,747 km (0.099 R)
• M3: 968,347 km (0.106 R)
• M4: 1,608,925 km (0.037 R)
• M5: 1,992,045 km (0.095 R)
• M6: 2,340,010 km (0.12 R)
• M7: 2,945,582 km (0.104 R)
• M8: 3,595,435 km (0.109 R)
• M9: 4,008,176 km (0.091 R)
• M10: 4,535,209 km (0.063 R)
• M11: 5,198,676 km (0.032 R)
• M12: 6,230,751 km (0.115 R)
• M13: 6,719,039 km (0.082 R)
• M14: 7,370,986 km (0.094 R)
• M15: 7,748,272 km (0.086 R)
• M16: 8,389,149 km (0.116 R)
• M17: 8,774,813 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.1

Radius: 3.3

Gravity: 14.43 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 8.36 AU - 11.68 AU

Year: 20167 Days

Day: 18.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,832,991 km

• M1: 603,029 km (0.085 R)
• M2: 746,194 km (0.108 R)
• M3: 2,170,067 km (0.094 R)
• M4: 3,999,798 km (0.085 R)
• M5: 4,164,356 km (0.105 R)
• M6: 6,850,685 km (0.092 R)
• M7: 11,852,938 km (0.076 R)
• M8: 13,616,249 km (0.07 R)
• M9: 15,479,490 km (0.04 R)
• M10: 19,467,171 km (0.087 R)
• M11: 25,371,500 km (0.096 R)
• M12: 32,255,694 km (0.101 R)
• M13: 32,806,065 km (0.059 R)
• M14: 36,954,713 km (0.098 R)
• M15: 45,718,904 km (0.033 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 18,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit