🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.56 AU - 0.88 AU

Year: 228 Days

Day: 14.2 Hours

Environment

Temp: 115 °C

Axial Tilt: 7.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.07 AU - 1.65 AU

Year: 591 Days

Day: 21.4 Hours

Environment

Temp: -26 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.35 AU - 1.73 AU

Year: 712 Days

Day: 28.9 Hours

Environment

Temp: -42 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.29 AU - 2.29 AU

Year: 1292 Days

Day: 45.7 Hours

Environment

Temp: -87 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 15.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.7

Radius: 5

Gravity: 18.43 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 13.81 AU - 17.65 AU

Year: 23257 Days

Day: 19 Hours

Environment

Temp: -189 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,718,159 km

• M1: 62,682 km (0.065 R)
• M2: 387,010 km (0.107 R)
• M3: 734,675 km (0.074 R)
• M4: 1,030,281 km (0.08 R)
• M5: 1,240,914 km (0.066 R)
• M6: 2,111,125 km (0.075 R)
• M7: 3,086,802 km (0.105 R)
• M8: 3,585,263 km (0.075 R)
• M9: 5,441,623 km (0.074 R)
• M10: 6,166,873 km (0.066 R)
• M11: 6,729,361 km (0.111 R)
• M12: 7,906,247 km (0.112 R)
• M13: 13,066,776 km (0.07 R)
• M14: 15,971,817 km (0.047 R)
• M15: 18,921,587 km (0.093 R)
• M16: 19,190,265 km (0.104 R)
• M17: 26,647,869 km (0.072 R)
• M18: 26,985,362 km (0.098 R)
• M19: 28,715,610 km (0.094 R)
• M20: 30,152,049 km (0.105 R)
• M21: 31,887,534 km (0.077 R)
• M22: 42,482,953 km (0.116 R)
• M23: 45,616,280 km (0.044 R)
• M24: 50,256,657 km (0.059 R)
• M25: 52,514,238 km (0.078 R)
• M26: 66,870,996 km (0.091 R)
• M27: 67,078,339 km (0.085 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 15,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit