🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.5

Radius: 10.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.94 AU - 1.1 AU

Year: 724 Days

Day: 6.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,571,829 km

• M1: 126,111 km (0.114 R)
• M2: 444,306 km (0.082 R)
• M3: 771,027 km (0.115 R)
• M4: 1,290,730 km (0.106 R)
• M5: 1,628,373 km (0.11 R)
• M6: 2,001,919 km (0.103 R)
• M7: 2,423,635 km (0.044 R)
• M8: 3,647,495 km (0.1 R)
• M9: 4,652,793 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.5

Radius: 15

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.17 AU - 1.17 AU

Year: 890 Days

Day: 14.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,571,829 km

• M1: 186,549 km (0.107 R)
• M2: 688,001 km (0.037 R)
• M3: 1,261,260 km (0.064 R)
• M4: 1,901,987 km (0.108 R)
• M5: 2,505,166 km (0.116 R)
• M6: 3,213,063 km (0.092 R)
• M7: 3,744,584 km (0.056 R)
• M8: 5,266,294 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.5

Radius: 11.2

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.6 AU - 1.8 AU

Year: 1558 Days

Day: 8.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,571,829 km

• M1: 140,173 km (0.115 R)
• M2: 547,678 km (0.094 R)
• M3: 1,019,360 km (0.107 R)
• M4: 1,473,838 km (0.081 R)
• M5: 1,986,660 km (0.102 R)
• M6: 2,400,896 km (0.116 R)
• M7: 2,831,289 km (0.03 R)
• M8: 3,764,182 km (0.042 R)
• M9: 5,074,958 km (0.067 R)
• M10: 6,088,633 km (0.097 R)
• M11: 7,445,187 km (0.111 R)
• M12: 7,883,509 km (0.068 R)
• M13: 8,455,421 km (0.107 R)
• M14: 9,941,676 km (0.115 R)
• M15: 12,602,274 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.8

Radius: 11.6

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.21 AU - 4.59 AU

Year: 5414 Days

Day: 10.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,571,829 km

• M1: 144,811 km (0.105 R)
• M2: 923,767 km (0.106 R)
• M3: 1,505,703 km (0.116 R)
• M4: 2,059,813 km (0.104 R)
• M5: 2,860,760 km (0.107 R)
• M6: 3,317,782 km (0.116 R)
• M7: 4,698,420 km (0.097 R)
• M8: 11,630,038 km (0.057 R)
• M9: 14,006,549 km (0.11 R)
• M10: 14,658,946 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 9.9

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.15 AU - 5.99 AU

Year: 8025 Days

Day: 12.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,571,829 km

• M1: 123,568 km (0.062 R)
• M2: 548,875 km (0.112 R)
• M3: 956,828 km (0.11 R)
• M4: 2,078,662 km (0.1 R)
• M5: 2,556,029 km (0.049 R)
• M6: 3,045,065 km (0.072 R)
• M7: 3,595,585 km (0.071 R)
• M8: 4,186,347 km (0.085 R)
• M9: 5,995,434 km (0.089 R)
• M10: 6,792,192 km (0.113 R)
• M11: 7,325,060 km (0.084 R)
• M12: 9,917,591 km (0.087 R)
• M13: 10,279,767 km (0.069 R)
• M14: 13,175,832 km (0.06 R)
• M15: 13,725,006 km (0.084 R)
• M16: 14,232,143 km (0.119 R)
• M17: 14,810,339 km (0.099 R)
• M18: 16,575,893 km (0.114 R)
• M19: 19,942,443 km (0.088 R)
• M20: 22,553,674 km (0.093 R)
• M21: 22,944,424 km (0.098 R)
• M22: 24,470,621 km (0.056 R)
• M23: 28,353,733 km (0.114 R)
• M24: 28,717,555 km (0.045 R)
• M25: 29,269,272 km (0.111 R)
• M26: 32,828,505 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.7

Radius: 4.9

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.25 AU - 8.25 AU

Year: 13722 Days

Day: 24.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,571,829 km

• M1: 61,634 km (0.117 R)
• M2: 232,026 km (0.111 R)
• M3: 411,394 km (0.071 R)
• M4: 656,286 km (0.099 R)
• M5: 928,255 km (0.094 R)
• M6: 1,215,333 km (0.055 R)
• M7: 1,367,773 km (0.117 R)
• M8: 1,935,198 km (0.113 R)
• M9: 2,161,240 km (0.091 R)
• M10: 5,616,502 km (0.107 R)
• M11: 6,179,290 km (0.051 R)
• M12: 6,527,553 km (0.059 R)
• M13: 11,062,613 km (0.076 R)
• M14: 15,494,599 km (0.093 R)
• M15: 28,008,910 km (0.11 R)
• M16: 29,737,214 km (0.094 R)
• M17: 30,727,403 km (0.065 R)
• M18: 39,453,446 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 14,969 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit