🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.57 AU - 0.67 AU

Year: 216 Days

Day: 43.7 Hours

Environment

Temp: -5 °C

Axial Tilt: 4.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 30,144,502 km

• M1: 38,447 km (0.044 R)
• M2: 182,509 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.75 AU - 1.23 AU

Year: 436 Days

Day: 26.6 Hours

Environment

Temp: -55 °C

Axial Tilt: 45 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.86 AU - 1.2 AU

Year: 463 Days

Day: 14 Hours

Environment

Temp: -61 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.4

Radius: 10

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.3 AU - 5.76 AU

Year: 4997 Days

Day: 14.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 30,144,502 km

• M1: 124,465 km (0.055 R)
• M2: 448,345 km (0.081 R)
• M3: 790,475 km (0.098 R)
• M4: 1,154,896 km (0.112 R)
• M5: 2,103,795 km (0.091 R)
• M6: 2,752,002 km (0.075 R)
• M7: 6,073,075 km (0.03 R)
• M8: 6,641,248 km (0.118 R)
• M9: 6,971,859 km (0.076 R)
• M10: 7,348,397 km (0.108 R)
• M11: 8,030,862 km (0.066 R)
• M12: 8,521,843 km (0.094 R)
• M13: 9,689,155 km (0.071 R)
• M14: 10,115,509 km (0.112 R)
• M15: 11,899,015 km (0.083 R)
• M16: 12,637,729 km (0.098 R)
• M17: 13,882,982 km (0.118 R)
• M18: 15,901,655 km (0.08 R)
• M19: 17,042,489 km (0.117 R)
• M20: 17,664,367 km (0.107 R)
• M21: 18,172,850 km (0.07 R)
• M22: 19,688,875 km (0.111 R)
• M23: 21,646,363 km (0.101 R)
• M24: 23,653,518 km (0.12 R)
• M25: 24,193,416 km (0.109 R)
• M26: 24,584,166 km (0.052 R)
• M27: 25,539,199 km (0.07 R)
• M28: 25,862,929 km (0.092 R)
• M29: 27,777,931 km (0.095 R)
• M30: 29,607,363 km (0.103 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: 509 - 15,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit