🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.54 AU - 0.7 AU

Year: 315 Days

Day: 18.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 14,119,672 km

• M1: 555,756 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.4

Radius: 9.6

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.76 AU - 0.88 AU

Year: 479 Days

Day: 12.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,119,672 km

• M1: 121,025 km (0.116 R)
• M2: 658,380 km (0.104 R)
• M3: 974,630 km (0.073 R)
• M4: 1,416,692 km (0.072 R)
• M5: 1,738,776 km (0.051 R)
• M6: 2,067,143 km (0.117 R)
• M7: 2,736,893 km (0.088 R)
• M8: 3,371,637 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.2

Radius: 8.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.9 AU - 1.08 AU

Year: 636 Days

Day: 12.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,119,672 km

• M1: 104,569 km (0.089 R)
• M2: 522,097 km (0.086 R)
• M3: 880,982 km (0.105 R)
• M4: 1,690,157 km (0.1 R)
• M5: 2,063,104 km (0.106 R)
• M6: 2,352,875 km (0.111 R)
• M7: 2,725,374 km (0.119 R)
• M8: 3,096,078 km (0.115 R)
• M9: 3,703,445 km (0.075 R)
• M10: 3,975,115 km (0.09 R)
• M11: 4,310,962 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.9

Radius: 8.7

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.48 AU - 2.24 AU

Year: 1638 Days

Day: 11.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,119,672 km

• M1: 108,309 km (0.055 R)
• M2: 439,369 km (0.055 R)
• M3: 777,909 km (0.094 R)
• M4: 1,118,992 km (0.047 R)
• M5: 1,991,447 km (0.098 R)
• M6: 3,119,564 km (0.108 R)
• M7: 4,320,686 km (0.052 R)
• M8: 4,726,545 km (0.097 R)
• M9: 5,355,454 km (0.103 R)
• M10: 5,785,698 km (0.106 R)
• M11: 6,118,553 km (0.088 R)
• M12: 6,589,038 km (0.093 R)
• M13: 6,973,954 km (0.1 R)
• M14: 7,373,829 km (0.067 R)
• M15: 7,930,632 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.2

Radius: 14.8

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.79 AU - 2.07 AU

Year: 1731 Days

Day: 7.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,119,672 km

• M1: 184,155 km (0.116 R)
• M2: 1,004,400 km (0.063 R)
• M3: 1,773,932 km (0.093 R)
• M4: 2,917,158 km (0.052 R)
• M5: 3,441,499 km (0.033 R)
• M6: 4,682,862 km (0.098 R)
• M7: 6,229,255 km (0.072 R)
• M8: 7,265,669 km (0.104 R)
• M9: 7,839,676 km (0.106 R)
• M10: 8,772,569 km (0.102 R)
• M11: 10,964,926 km (0.061 R)
• M12: 12,207,785 km (0.029 R)
• M13: 12,785,083 km (0.048 R)
• M14: 14,119,645 km (0.11 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: 430 - 20,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit