🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.6

Radius: 11.3

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.52 AU - 0.8 AU

Year: 358 Days

Day: 13.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,724,764 km

• M1: 140,622 km (0.042 R)
• M2: 550,221 km (0.047 R)
• M3: 1,037,312 km (0.111 R)
• M4: 1,605,484 km (0.089 R)
• M5: 2,085,544 km (0.112 R)
• M6: 2,518,779 km (0.077 R)
• M7: 3,086,354 km (0.112 R)
• M8: 4,965,004 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.4

Radius: 13.6

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.22 AU - 1.66 AU

Year: 1152 Days

Day: 5.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,724,764 km

• M1: 169,345 km (0.113 R)
• M2: 600,785 km (0.112 R)
• M3: 1,059,602 km (0.116 R)
• M4: 1,792,930 km (0.088 R)
• M5: 2,464,326 km (0.099 R)
• M6: 2,955,605 km (0.068 R)
• M7: 3,670,384 km (0.078 R)
• M8: 4,226,589 km (0.106 R)
• M9: 5,425,466 km (0.059 R)
• M10: 6,173,156 km (0.092 R)
• M11: 8,952,535 km (0.102 R)
• M12: 10,094,266 km (0.044 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.6

Radius: 6.7

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.57 AU - 8.09 AU

Year: 11903 Days

Day: 20.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,724,764 km

• M1: 83,476 km (0.102 R)
• M2: 820,694 km (0.119 R)
• M3: 1,215,184 km (0.049 R)
• M4: 1,812,378 km (0.033 R)
• M5: 3,331,395 km (0.075 R)
• M6: 5,027,536 km (0.115 R)
• M7: 5,671,704 km (0.118 R)
• M8: 7,744,831 km (0.1 R)
• M9: 13,529,332 km (0.041 R)
• M10: 15,839,722 km (0.065 R)
• M11: 20,277,243 km (0.114 R)
• M12: 22,585,090 km (0.12 R)
• M13: 23,444,380 km (0.08 R)
• M14: 28,339,222 km (0.081 R)
• M15: 30,079,793 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.9

Radius: 3.4

Gravity: 35.2 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.74 AU - 9.08 AU

Year: 16264 Days

Day: 21.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,724,764 km

• M1: 44,730 km (0.108 R)
• M2: 230,231 km (0.058 R)
• M3: 627,114 km (0.085 R)
• M4: 737,667 km (0.095 R)
• M5: 1,400,386 km (0.119 R)
• M6: 1,749,697 km (0.047 R)
• M7: 1,918,742 km (0.102 R)
• M8: 2,061,608 km (0.109 R)
• M9: 4,256,658 km (0.075 R)
• M10: 4,377,383 km (0.088 R)
• M11: 5,713,442 km (0.119 R)
• M12: 6,836,922 km (0.094 R)
• M13: 7,299,030 km (0.041 R)
• M14: 7,916,869 km (0.103 R)
• M15: 9,256,069 km (0.102 R)
• M16: 9,407,911 km (0.046 R)
• M17: 9,768,741 km (0.114 R)
• M18: 12,190,431 km (0.069 R)
• M19: 14,165,422 km (0.102 R)
• M20: 16,270,115 km (0.093 R)
• M21: 17,167,253 km (0.112 R)
• M22: 23,627,488 km (0.12 R)
• M23: 25,661,720 km (0.074 R)
• M24: 31,880,802 km (0.089 R)
• M25: 31,995,993 km (0.088 R)
• M26: 39,695,047 km (0.115 R)
• M27: 43,969,507 km (0.047 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 14,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit