🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.61 AU - 0.63 AU

Year: 182 Days

Day: 29.7 Hours

Environment

Temp: 130 °C

Axial Tilt: 0.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.63 AU - 0.69 AU

Year: 200 Days

Day: 21.3 Hours

Environment

Temp: 192 °C

Axial Tilt: 37.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.64 AU - 2.44 AU

Year: 1086 Days

Day: 39 Hours

Environment

Temp: -75 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.72 AU - 2.88 AU

Year: 1747 Days

Day: 17.7 Hours

Environment

Temp: -95 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.8

Radius: 9.4

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.19 AU - 6.07 AU

Year: 4980 Days

Day: 11.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,944,356 km

• M1: 119,080 km (0.06 R)
• M2: 547,977 km (0.061 R)
• M3: 871,258 km (0.116 R)
• M4: 1,652,608 km (0.079 R)
• M5: 3,565,964 km (0.095 R)
• M6: 4,281,491 km (0.064 R)
• M7: 5,692,797 km (0.097 R)
• M8: 6,058,265 km (0.108 R)
• M9: 6,602,951 km (0.077 R)
• M10: 7,679,906 km (0.079 R)
• M11: 8,630,600 km (0.082 R)
• M12: 10,178,938 km (0.09 R)
• M13: 10,491,448 km (0.059 R)
• M14: 14,590,879 km (0.12 R)
• M15: 15,806,062 km (0.12 R)
• M16: 16,165,247 km (0.054 R)
• M17: 17,721,364 km (0.108 R)
• M18: 21,201,160 km (0.105 R)
• M19: 23,216,094 km (0.039 R)
• M20: 25,848,268 km (0.075 R)
• M21: 27,022,761 km (0.095 R)
• M22: 30,574,364 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 362.2

Radius: 6.9

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 13.16 AU - 15.02 AU

Year: 19716 Days

Day: 18.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,944,356 km

• M1: 100,979 km (0.105 R)
• M2: 344,524 km (0.075 R)
• M3: 797,656 km (0.048 R)
• M4: 1,036,713 km (0.115 R)
• M5: 1,632,412 km (0.111 R)
• M6: 3,045,214 km (0.104 R)
• M7: 3,695,815 km (0.119 R)
• M8: 4,341,929 km (0.096 R)
• M9: 8,942,662 km (0.089 R)
• M10: 9,509,937 km (0.08 R)
• M11: 14,660,442 km (0.118 R)
• M12: 15,816,235 km (0.099 R)
• M13: 18,145,025 km (0.053 R)
• M14: 28,744,782 km (0.086 R)
• M15: 31,012,237 km (0.097 R)
• M16: 31,951,712 km (0.037 R)
• M17: 51,444,913 km (0.081 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: 340 - 17,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit