🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.58 AU - 0.96 AU

Year: 302 Days

Day: 46 Hours

Environment

Temp: -43 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.08 AU - 1.38 AU

Year: 609 Days

Day: 28.6 Hours

Environment

Temp: -91 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.72 AU - 2.22 AU

Year: 1234 Days

Day: 31.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.4

Radius: 8.4

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.45 AU - 4.51 AU

Year: 3543 Days

Day: 12.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,337,556 km

• M1: 104,419 km (0.072 R)
• M2: 412,292 km (0.115 R)
• M3: 692,189 km (0.112 R)
• M4: 974,032 km (0.097 R)
• M5: 1,324,091 km (0.118 R)
• M6: 1,663,828 km (0.104 R)
• M7: 2,355,718 km (0.04 R)
• M8: 2,792,394 km (0.12 R)
• M9: 3,300,578 km (0.086 R)
• M10: 3,869,199 km (0.094 R)
• M11: 5,025,740 km (0.07 R)
• M12: 5,302,796 km (0.055 R)
• M13: 6,633,768 km (0.08 R)
• M14: 7,376,970 km (0.109 R)
• M15: 8,382,567 km (0.069 R)
• M16: 11,507,966 km (0.104 R)
• M17: 12,441,756 km (0.049 R)
• M18: 13,329,320 km (0.072 R)
• M19: 13,960,473 km (0.094 R)
• M20: 15,334,979 km (0.088 R)
• M21: 16,136,374 km (0.102 R)
• M22: 19,747,368 km (0.04 R)
• M23: 21,083,277 km (0.057 R)
• M24: 22,343,040 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.7

Radius: 10.4

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.61 AU - 7.25 AU

Year: 8141 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 45,337,556 km

• M1: 129,402 km (0.096 R)
• M2: 578,645 km (0.082 R)
• M3: 914,791 km (0.065 R)
• M4: 1,313,769 km (0.07 R)
• M5: 1,906,176 km (0.026 R)
• M6: 2,456,547 km (0.074 R)
• M7: 2,915,513 km (0.086 R)
• M8: 3,478,749 km (0.101 R)
• M9: 5,546,341 km (0.052 R)
• M10: 5,917,045 km (0.072 R)
• M11: 6,340,407 km (0.054 R)
• M12: 7,650,884 km (0.116 R)
• M13: 8,904,514 km (0.108 R)
• M14: 11,113,626 km (0.111 R)
• M15: 12,036,046 km (0.089 R)
• M16: 13,604,879 km (0.051 R)
• M17: 15,110,133 km (0.062 R)
• M18: 16,037,939 km (0.116 R)
• M19: 18,079,950 km (0.093 R)
• M20: 20,768,373 km (0.062 R)
• M21: 21,418,376 km (0.05 R)
• M22: 21,914,742 km (0.063 R)
• M23: 25,978,867 km (0.102 R)
• M24: 27,405,732 km (0.11 R)
• M25: 27,794,985 km (0.108 R)
• M26: 31,359,454 km (0.04 R)
• M27: 34,084,678 km (0.09 R)
• M28: 34,648,213 km (0.108 R)
• M29: 37,558,789 km (0.03 R)
• M30: 43,465,213 km (0.03 R)
• M31: 45,202,044 km (0.1 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 12,694 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit