🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.46 AU - 0.62 AU

Year: 256 Days

Day: 32.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.8

Radius: 9.1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.71 AU - 0.81 AU

Year: 428 Days

Day: 8.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 33,299,249 km

• M1: 113,246 km (0.111 R)
• M2: 453,132 km (0.087 R)
• M3: 1,040,304 km (0.055 R)
• M4: 1,909,916 km (0.107 R)
• M5: 2,441,736 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.2

Radius: 13.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.92 AU - 3.86 AU

Year: 4030 Days

Day: 5.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,299,249 km

• M1: 166,652 km (0.09 R)
• M2: 695,181 km (0.06 R)
• M3: 1,358,648 km (0.098 R)
• M4: 1,788,742 km (0.1 R)
• M5: 2,353,922 km (0.073 R)
• M6: 2,822,164 km (0.049 R)
• M7: 3,352,937 km (0.074 R)
• M8: 3,809,360 km (0.069 R)
• M9: 5,537,664 km (0.073 R)
• M10: 6,319,313 km (0.102 R)
• M11: 6,900,202 km (0.102 R)
• M12: 9,002,949 km (0.071 R)
• M13: 9,589,373 km (0.104 R)
• M14: 10,397,800 km (0.073 R)
• M15: 14,141,487 km (0.108 R)
• M16: 14,734,044 km (0.112 R)
• M17: 16,234,511 km (0.056 R)
• M18: 17,439,073 km (0.092 R)
• M19: 18,997,882 km (0.064 R)
• M20: 20,963,598 km (0.083 R)
• M21: 21,669,551 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.1

Radius: 6.6

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.68 AU - 8.22 AU

Year: 11830 Days

Day: 23.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,299,249 km

• M1: 83,027 km (0.069 R)
• M2: 917,633 km (0.096 R)
• M3: 1,211,892 km (0.084 R)
• M4: 1,446,163 km (0.09 R)
• M5: 1,876,107 km (0.075 R)
• M6: 2,305,154 km (0.092 R)
• M7: 2,668,228 km (0.095 R)
• M8: 3,029,058 km (0.113 R)
• M9: 3,315,238 km (0.093 R)
• M10: 3,942,353 km (0.075 R)
• M11: 5,459,275 km (0.112 R)
• M12: 8,708,391 km (0.076 R)
• M13: 12,792,862 km (0.081 R)
• M14: 13,110,608 km (0.044 R)
• M15: 15,305,957 km (0.114 R)
• M16: 16,273,556 km (0.117 R)
• M17: 17,025,584 km (0.091 R)
• M18: 18,869,976 km (0.103 R)
• M19: 23,499,133 km (0.108 R)
• M20: 31,537,625 km (0.033 R)
• M21: 31,923,587 km (0.109 R)
• M22: 32,902,256 km (0.097 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 16,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit