🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.77 AU - 0.89 AU

Year: 280 Days

Day: 40.7 Hours

Environment

Temp: 145 °C

Axial Tilt: 39.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 100,821,049 km

• M1: 69,563 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.73 AU - 1.07 AU

Year: 317 Days

Day: 46.3 Hours

Environment

Temp: 27 °C

Axial Tilt: 3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 100,821,049 km

• M1: 214,972 km (0.05 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.84 AU - 1 AU

Year: 327 Days

Day: 32.8 Hours

Environment

Temp: 38 °C

Axial Tilt: 29.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Ice Giant

Semi-Major Axis: 18.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.6

Radius: 3.6

Gravity: 55.76 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 15.85 AU - 21.31 AU

Year: 29701 Days

Day: 23.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 100,821,049 km

• M1: 44,879 km (0.094 R)
• M2: 214,523 km (0.082 R)
• M3: 339,438 km (0.073 R)
• M4: 594,203 km (0.038 R)
• M5: 1,437,935 km (0.102 R)
• M6: 2,028,398 km (0.11 R)
• M7: 2,163,484 km (0.105 R)
• M8: 2,711,611 km (0.118 R)
• M9: 4,365,565 km (0.055 R)
• M10: 5,149,458 km (0.079 R)
• M11: 7,511,010 km (0.096 R)
• M12: 8,057,192 km (0.07 R)
• M13: 9,537,463 km (0.08 R)
• M14: 11,329,645 km (0.091 R)
• M15: 11,973,664 km (0.116 R)
• M16: 12,193,722 km (0.099 R)
• M17: 12,793,610 km (0.101 R)
• M18: 13,491,634 km (0.056 R)
• M19: 18,512,138 km (0.034 R)
• M20: 18,806,248 km (0.12 R)
• M21: 21,272,817 km (0.067 R)
• M22: 22,919,142 km (0.074 R)
• M23: 25,848,268 km (0.063 R)
• M24: 34,315,657 km (0.051 R)
• M25: 34,759,364 km (0.116 R)
• M26: 39,571,629 km (0.083 R)
• M27: 41,883,215 km (0.088 R)
• M28: 44,985,277 km (0.073 R)
• M29: 45,873,439 km (0.098 R)
• M30: 47,868,327 km (0.085 R)
• M31: 48,980,437 km (0.085 R)
• M32: 54,398,723 km (0.105 R)
• M33: 57,875,826 km (0.101 R)
• M34: 63,032,614 km (0.117 R)
• M35: 64,367,925 km (0.083 R)
• M36: 76,237,468 km (0.083 R)
• M37: 88,095,344 km (0.116 R)
• M38: 94,894,567 km (0.097 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 16,850 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit