🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.02 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.94 AU - 2.14 AU

Year: 1075 Days

Day: 22.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.18 AU - 3.2 AU

Year: 2102 Days

Day: 43.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 41.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.9

Radius: 10.4

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.79 AU - 6.89 AU

Year: 5207 Days

Day: 12.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,239,580 km

• M1: 129,402 km (0.08 R)
• M2: 507,885 km (0.073 R)
• M3: 1,040,752 km (0.078 R)
• M4: 1,633,908 km (0.102 R)
• M5: 2,078,812 km (0.104 R)
• M6: 2,408,825 km (0.027 R)
• M7: 2,862,406 km (0.077 R)
• M8: 3,215,307 km (0.046 R)
• M9: 3,767,024 km (0.118 R)
• M10: 4,501,849 km (0.047 R)
• M11: 4,826,476 km (0.035 R)
• M12: 5,467,353 km (0.089 R)
• M13: 6,347,288 km (0.044 R)
• M14: 7,490,066 km (0.077 R)
• M15: 7,947,686 km (0.089 R)
• M16: 8,650,198 km (0.097 R)
• M17: 9,353,457 km (0.075 R)
• M18: 10,136,602 km (0.103 R)
• M19: 11,739,693 km (0.119 R)
• M20: 12,261,640 km (0.07 R)
• M21: 12,898,328 km (0.108 R)
• M22: 16,653,235 km (0.12 R)
• M23: 25,519,153 km (0.094 R)
• M24: 27,956,252 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.3

Radius: 10.6

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.63 AU - 7.69 AU

Year: 6341 Days

Day: 8.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,239,580 km

• M1: 131,796 km (0.116 R)
• M2: 473,776 km (0.097 R)
• M3: 1,203,814 km (0.109 R)
• M4: 2,125,636 km (0.069 R)
• M5: 2,666,881 km (0.099 R)
• M6: 2,999,587 km (0.082 R)
• M7: 3,886,253 km (0.09 R)
• M8: 4,217,912 km (0.067 R)
• M9: 4,751,378 km (0.054 R)
• M10: 5,861,544 km (0.099 R)
• M11: 6,659,200 km (0.049 R)
• M12: 7,455,509 km (0.036 R)
• M13: 8,275,455 km (0.088 R)
• M14: 9,404,769 km (0.116 R)
• M15: 10,138,696 km (0.032 R)
• M16: 12,519,846 km (0.117 R)
• M17: 14,115,307 km (0.082 R)
• M18: 17,132,098 km (0.098 R)
• M19: 20,270,511 km (0.087 R)
• M20: 23,305,104 km (0.12 R)
• M21: 25,133,789 km (0.096 R)
• M22: 25,626,115 km (0.117 R)
• M23: 27,313,878 km (0.1 R)
• M24: 28,009,359 km (0.056 R)
• M25: 28,538,786 km (0.078 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: 236 - 12,340 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit