🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.85 AU - 0.93 AU

Year: 308 Days

Day: 19.7 Hours

Environment

Temp: 115 °C

Axial Tilt: 32 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,069,859 km

• M1: 248,482 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.82 AU - 2.8 AU

Year: 1289 Days

Day: 17.9 Hours

Environment

Temp: -80 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.12 AU - 2.94 AU

Year: 1477 Days

Day: 16.2 Hours

Environment

Temp: -96 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,069,859 km

• M1: 2,283,462 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.25 AU - 2.97 AU

Year: 1548 Days

Day: 38.8 Hours

Environment

Temp: -82 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.56 AU - 4.34 AU

Year: 2882 Days

Day: 24.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,069,859 km

• M1: 83,476 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.6

Radius: 7.3

Gravity: 18.19 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 15.3 AU - 15.34 AU

Year: 22012 Days

Day: 15.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,069,859 km

• M1: 97,987 km (0.051 R)
• M2: 391,797 km (0.095 R)
• M3: 639,232 km (0.102 R)
• M4: 1,046,437 km (0.071 R)
• M5: 1,512,285 km (0.108 R)
• M6: 1,745,807 km (0.066 R)
• M7: 2,474,199 km (0.098 R)
• M8: 4,370,951 km (0.071 R)
• M9: 4,812,115 km (0.119 R)
• M10: 5,083,036 km (0.112 R)
• M11: 6,089,830 km (0.082 R)
• M12: 10,027,096 km (0.086 R)
• M13: 12,373,539 km (0.091 R)
• M14: 13,105,821 km (0.032 R)
• M15: 13,406,812 km (0.056 R)
• M16: 14,337,310 km (0.112 R)
• M17: 16,153,877 km (0.075 R)
• M18: 28,071,143 km (0.12 R)
• M19: 29,333,150 km (0.116 R)
• M20: 33,345,964 km (0.069 R)
• M21: 35,628,827 km (0.108 R)
• M22: 36,957,705 km (0.104 R)
• M23: 38,166,306 km (0.036 R)
• M24: 39,870,974 km (0.104 R)
• M25: 43,598,055 km (0.105 R)
• M26: 53,057,278 km (0.074 R)
• M27: 53,822,023 km (0.094 R)
• M28: 56,755,787 km (0.093 R)
• M29: 59,383,174 km (0.071 R)
• M30: 64,661,585 km (0.082 R)
• M31: 65,973,409 km (0.111 R)
• M32: 69,330,236 km (0.095 R)
• M33: 71,398,127 km (0.104 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 557 - 16,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit