🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.9 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.58 AU - 2 AU

Year: 838 Days

Day: 24.3 Hours

Environment

Temp: -39 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 106,754,971 km

• M1: 246,388 km (0.07 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.07 AU - 2.29 AU

Year: 1126 Days

Day: 17.3 Hours

Environment

Temp: -62 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 106,754,971 km

• M1: 1,142,329 km (0.079 R)
• M2: 1,725,761 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.68 AU - 3.26 AU

Year: 1791 Days

Day: 29.9 Hours

Environment

Temp: -81 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.95 AU - 4.69 AU

Year: 2612 Days

Day: 39.7 Hours

Environment

Temp: -115 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.1

Radius: 9

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 9.39 AU - 9.83 AU

Year: 10422 Days

Day: 5 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 106,754,971 km

• M1: 111,899 km (0.083 R)
• M2: 810,671 km (0.071 R)
• M3: 1,345,184 km (0.051 R)
• M4: 1,731,296 km (0.069 R)
• M5: 2,029,146 km (0.098 R)
• M6: 2,794,937 km (0.029 R)
• M7: 3,429,830 km (0.102 R)
• M8: 5,845,387 km (0.117 R)
• M9: 7,465,532 km (0.095 R)
• M10: 11,056,779 km (0.12 R)
• M11: 15,944,141 km (0.084 R)
• M12: 19,462,234 km (0.101 R)
• M13: 23,006,507 km (0.073 R)
• M14: 31,118,152 km (0.055 R)
• M15: 31,567,544 km (0.064 R)
• M16: 31,907,281 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 20.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758

Radius: 7.1

Gravity: 15.04 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 15.84 AU - 24.42 AU

Year: 31597 Days

Day: 19.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 106,754,971 km

• M1: 99,333 km (0.093 R)
• M2: 1,119,142 km (0.082 R)
• M3: 1,352,514 km (0.12 R)
• M4: 2,882,751 km (0.118 R)
• M5: 5,148,411 km (0.106 R)
• M6: 5,895,203 km (0.107 R)
• M7: 6,662,192 km (0.075 R)
• M8: 7,712,069 km (0.09 R)
• M9: 8,334,546 km (0.09 R)
• M10: 8,868,311 km (0.107 R)
• M11: 9,679,281 km (0.064 R)
• M12: 10,202,276 km (0.108 R)
• M13: 10,538,721 km (0.111 R)
• M14: 13,183,013 km (0.086 R)
• M15: 13,663,073 km (0.116 R)
• M16: 20,900,319 km (0.116 R)
• M17: 27,789,001 km (0.102 R)
• M18: 34,073,608 km (0.086 R)
• M19: 35,129,320 km (0.1 R)
• M20: 39,241,616 km (0.098 R)
• M21: 64,445,716 km (0.069 R)
• M22: 81,000,365 km (0.091 R)
• M23: 96,539,545 km (0.042 R)
• M24: 99,868,696 km (0.062 R)

Kuiper Belt

Range: 31.4 - 51.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 14,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit