🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.92 AU - 1.2 AU

Year: 411 Days

Day: 35.1 Hours

Environment

Temp: 22 °C

Axial Tilt: 38.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.24 AU - 1.86 AU

Year: 727 Days

Day: 27.6 Hours

Environment

Temp: -47 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.73 AU - 2.79 AU

Year: 1727 Days

Day: 35.4 Hours

Environment

Temp: -103 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.9

Radius: 13.4

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.64 AU - 8.24 AU

Year: 7645 Days

Day: 7.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,482,093 km

• M1: 166,652 km (0.066 R)
• M2: 885,769 km (0.113 R)
• M3: 2,810,346 km (0.038 R)
• M4: 4,051,709 km (0.108 R)
• M5: 4,574,852 km (0.053 R)
• M6: 6,284,906 km (0.111 R)
• M7: 7,783,876 km (0.098 R)
• M8: 8,680,865 km (0.103 R)
• M9: 9,198,474 km (0.111 R)
• M10: 12,695,175 km (0.05 R)
• M11: 15,697,753 km (0.07 R)
• M12: 19,289,897 km (0.104 R)
• M13: 22,661,833 km (0.099 R)
• M14: 23,150,270 km (0.116 R)
• M15: 24,317,283 km (0.095 R)
• M16: 25,261,545 km (0.12 R)
• M17: 32,774,799 km (0.103 R)
• M18: 35,431,807 km (0.075 R)
• M19: 38,574,709 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.8

Radius: 4

Gravity: 21.49 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 14.53 AU - 21.67 AU

Year: 29010 Days

Day: 23.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,482,093 km

• M1: 49,816 km (0.119 R)
• M2: 257,757 km (0.106 R)
• M3: 756,666 km (0.091 R)
• M4: 1,004,251 km (0.062 R)
• M5: 2,683,337 km (0.105 R)
• M6: 3,093,086 km (0.076 R)
• M7: 6,827,348 km (0.082 R)
• M8: 9,103,928 km (0.097 R)
• M9: 10,626,236 km (0.08 R)
• M10: 12,040,534 km (0.075 R)
• M11: 13,287,133 km (0.119 R)
• M12: 16,608,505 km (0.113 R)
• M13: 18,414,899 km (0.034 R)
• M14: 20,348,153 km (0.102 R)
• M15: 39,103,387 km (0.06 R)
• M16: 42,743,403 km (0.051 R)
• M17: 44,164,732 km (0.098 R)
• M18: 54,821,337 km (0.093 R)
• M19: 60,739,428 km (0.078 R)
• M20: 67,069,213 km (0.088 R)
• M21: 77,018,369 km (0.116 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 18,483 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit