🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.43 AU - 0.59 AU

Year: 139 Days

Day: 35.7 Hours

Environment

Temp: 176 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.83 AU - 1.11 AU

Year: 366 Days

Day: 24.2 Hours

Environment

Temp: 14 °C

Axial Tilt: 16.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.88 AU - 1.08 AU

Year: 371 Days

Day: 40.6 Hours

Environment

Temp: 22 °C

Axial Tilt: 10.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 58,731,509 km

• M1: 292,015 km (0.052 R)
• M2: 660,624 km (0.088 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.02 AU - 1.48 AU

Year: 535 Days

Day: 41.7 Hours

Environment

Temp: -38 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.32 AU - 1.4 AU

Year: 607 Days

Day: 32.6 Hours

Environment

Temp: -36 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 12.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.7

Radius: 8

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 10.7 AU - 14.8 AU

Year: 17432 Days

Day: 21.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,731,509 km

• M1: 100,081 km (0.034 R)
• M2: 362,924 km (0.107 R)
• M3: 715,377 km (0.056 R)
• M4: 1,318,855 km (0.054 R)
• M5: 2,002,816 km (0.076 R)
• M6: 2,812,290 km (0.086 R)
• M7: 4,826,476 km (0.107 R)
• M8: 5,881,291 km (0.119 R)
• M9: 6,913,366 km (0.118 R)
• M10: 7,561,275 km (0.082 R)
• M11: 11,598,622 km (0.054 R)
• M12: 12,512,366 km (0.05 R)
• M13: 13,737,722 km (0.03 R)
• M14: 15,325,853 km (0.055 R)
• M15: 17,032,765 km (0.113 R)
• M16: 19,697,552 km (0.048 R)
• M17: 21,173,335 km (0.108 R)
• M18: 23,380,202 km (0.037 R)
• M19: 26,658,939 km (0.055 R)
• M20: 28,030,602 km (0.107 R)
• M21: 29,894,442 km (0.093 R)
• M22: 32,783,476 km (0.108 R)
• M23: 36,106,942 km (0.097 R)
• M24: 37,003,781 km (0.086 R)
• M25: 38,046,927 km (0.08 R)
• M26: 39,243,860 km (0.115 R)
• M27: 43,847,286 km (0.071 R)
• M28: 44,428,772 km (0.05 R)
• M29: 48,179,191 km (0.038 R)
• M30: 49,736,804 km (0.072 R)
• M31: 55,452,640 km (0.093 R)
• M32: 56,817,870 km (0.099 R)
• M33: 57,162,693 km (0.12 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 16,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit