🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.44 AU - 0.64 AU

Year: 256 Days

Day: 45.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.55 AU - 0.71 AU

Year: 323 Days

Day: 29.2 Hours

Environment

Temp: -122 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.5

Radius: 6.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.73 AU - 7.61 AU

Year: 12396 Days

Day: 18.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,028,392 km

• M1: 126,709 km (0.07 R)
• M2: 737,368 km (0.12 R)
• M3: 3,197,505 km (0.05 R)
• M4: 3,393,179 km (0.104 R)
• M5: 5,115,649 km (0.09 R)
• M6: 5,484,258 km (0.042 R)
• M7: 8,578,092 km (0.098 R)
• M8: 9,676,439 km (0.077 R)
• M9: 9,974,438 km (0.066 R)
• M10: 10,471,851 km (0.106 R)
• M11: 16,548,217 km (0.031 R)
• M12: 18,241,516 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462

Radius: 6.7

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 10.05 AU - 12.13 AU

Year: 23846 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,028,392 km

• M1: 83,326 km (0.1 R)
• M2: 293,361 km (0.095 R)
• M3: 647,609 km (0.104 R)
• M4: 971,638 km (0.048 R)
• M5: 1,199,027 km (0.102 R)
• M6: 1,608,177 km (0.086 R)
• M7: 2,727,917 km (0.096 R)
• M8: 3,638,519 km (0.117 R)
• M9: 3,879,522 km (0.081 R)
• M10: 4,988,491 km (0.105 R)
• M11: 8,166,099 km (0.111 R)
• M12: 9,395,345 km (0.049 R)
• M13: 10,320,159 km (0.108 R)
• M14: 14,934,056 km (0.096 R)
• M15: 16,679,564 km (0.093 R)
• M16: 17,431,293 km (0.109 R)
• M17: 20,475,760 km (0.042 R)
• M18: 23,030,143 km (0.09 R)
• M19: 23,752,552 km (0.039 R)
• M20: 24,172,174 km (0.118 R)
• M21: 25,569,717 km (0.119 R)
• M22: 27,134,361 km (0.099 R)
• M23: 27,940,095 km (0.092 R)
• M24: 32,594,384 km (0.086 R)
• M25: 39,033,675 km (0.119 R)
• M26: 40,803,866 km (0.115 R)
• M27: 45,462,195 km (0.048 R)
• M28: 56,373,714 km (0.051 R)
• M29: 58,632,641 km (0.114 R)
• M30: 67,431,390 km (0.083 R)
• M31: 69,333,377 km (0.083 R)
• M32: 69,546,853 km (0.093 R)
• M33: 70,189,975 km (0.096 R)
• M34: 70,837,135 km (0.032 R)
• M35: 71,488,334 km (0.099 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 15,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit