🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.46 AU - 0.66 AU

Year: 271 Days

Day: 43.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.7

Radius: 8.2

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.65 AU - 0.89 AU

Year: 436 Days

Day: 14.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,775,521 km

• M1: 102,026 km (0.12 R)
• M2: 357,838 km (0.068 R)
• M3: 775,964 km (0.074 R)
• M4: 1,037,760 km (0.051 R)
• M5: 1,682,527 km (0.054 R)
• M6: 2,381,149 km (0.1 R)
• M7: 3,447,633 km (0.099 R)
• M8: 3,882,962 km (0.061 R)
• M9: 4,382,470 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.6

Radius: 10.2

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.32 AU - 1.86 AU

Year: 1295 Days

Day: 9.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,775,521 km

• M1: 127,158 km (0.099 R)
• M2: 464,651 km (0.085 R)
• M3: 860,487 km (0.108 R)
• M4: 1,749,996 km (0.082 R)
• M5: 2,188,467 km (0.066 R)
• M6: 2,900,703 km (0.05 R)
• M7: 3,872,790 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.5

Radius: 8.4

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.33 AU - 3.59 AU

Year: 3288 Days

Day: 5.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,775,521 km

• M1: 104,569 km (0.063 R)
• M2: 452,982 km (0.066 R)
• M3: 804,687 km (0.114 R)
• M4: 1,944,473 km (0.111 R)
• M5: 3,108,793 km (0.088 R)
• M6: 3,469,025 km (0.084 R)
• M7: 3,761,190 km (0.097 R)
• M8: 4,483,897 km (0.042 R)
• M9: 5,356,202 km (0.08 R)
• M10: 7,895,028 km (0.103 R)
• M11: 9,484,056 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262

Radius: 12.4

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.91 AU - 5.01 AU

Year: 7132 Days

Day: 11 Hours

Environment

Temp: -208 °C

Axial Tilt: 81.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,775,521 km

• M1: 154,235 km (0.088 R)
• M2: 656,735 km (0.099 R)
• M3: 1,211,294 km (0.113 R)
• M4: 1,989,053 km (0.088 R)
• M5: 3,545,170 km (0.109 R)
• M6: 5,599,448 km (0.113 R)
• M7: 8,498,954 km (0.065 R)
• M8: 10,081,999 km (0.083 R)
• M9: 14,997,037 km (0.041 R)
• M10: 15,890,735 km (0.067 R)
• M11: 19,430,071 km (0.049 R)
• M12: 20,424,747 km (0.106 R)
• M13: 23,836,027 km (0.085 R)
• M14: 26,551,079 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 11,713 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit