🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.53 AU - 0.67 AU

Year: 305 Days

Day: 29.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,029,764 km

• M1: 580,141 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.4

Radius: 9.1

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.66 AU - 0.72 AU

Year: 376 Days

Day: 10.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,029,764 km

• M1: 113,246 km (0.056 R)
• M2: 444,904 km (0.027 R)
• M3: 810,222 km (0.067 R)
• M4: 1,135,448 km (0.055 R)
• M5: 1,728,454 km (0.112 R)
• M6: 2,180,389 km (0.105 R)
• M7: 2,615,868 km (0.1 R)
• M8: 3,615,332 km (0.054 R)
• M9: 3,913,331 km (0.086 R)
• M10: 4,710,239 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771

Radius: 8.4

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.55 AU - 1.87 AU

Year: 1467 Days

Day: 5.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,029,764 km

• M1: 105,018 km (0.089 R)
• M2: 375,341 km (0.103 R)
• M3: 645,365 km (0.097 R)
• M4: 1,214,136 km (0.061 R)
• M5: 1,515,277 km (0.12 R)
• M6: 1,856,061 km (0.085 R)
• M7: 2,165,280 km (0.115 R)
• M8: 3,152,476 km (0.041 R)
• M9: 3,849,602 km (0.115 R)
• M10: 4,170,489 km (0.083 R)
• M11: 5,284,694 km (0.057 R)
• M12: 5,614,408 km (0.104 R)
• M13: 6,004,559 km (0.103 R)
• M14: 6,363,594 km (0.08 R)
• M15: 7,693,370 km (0.092 R)
• M16: 8,060,034 km (0.049 R)
• M17: 8,647,056 km (0.038 R)
• M18: 9,420,328 km (0.117 R)
• M19: 9,709,799 km (0.063 R)
• M20: 11,942,548 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.2

Radius: 7.1

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7 AU - 10 AU

Year: 16257 Days

Day: 18.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,029,764 km

• M1: 88,412 km (0.083 R)
• M2: 335,099 km (0.102 R)
• M3: 665,411 km (0.09 R)
• M4: 1,042,847 km (0.101 R)
• M5: 3,322,419 km (0.091 R)
• M6: 5,756,227 km (0.053 R)
• M7: 6,711,708 km (0.067 R)
• M8: 7,080,318 km (0.085 R)
• M9: 10,370,573 km (0.113 R)
• M10: 14,089,576 km (0.041 R)
• M11: 14,694,400 km (0.107 R)
• M12: 16,686,745 km (0.116 R)
• M13: 18,933,256 km (0.076 R)
• M14: 21,286,281 km (0.09 R)
• M15: 21,903,671 km (0.12 R)
• M16: 23,452,608 km (0.106 R)
• M17: 24,493,061 km (0.114 R)
• M18: 26,060,697 km (0.096 R)
• M19: 28,856,083 km (0.119 R)
• M20: 31,959,491 km (0.088 R)
• M21: 32,768,815 km (0.103 R)
• M22: 34,307,878 km (0.068 R)
• M23: 39,213,342 km (0.076 R)
• M24: 39,609,028 km (0.111 R)
• M25: 40,947,032 km (0.099 R)
• M26: 43,571,876 km (0.11 R)
• M27: 50,542,688 km (0.119 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 13,878 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit