🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.75 AU - 0.97 AU

Year: 279 Days

Day: 39.7 Hours

Environment

Temp: 142 °C

Axial Tilt: 39.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.51 AU - 6.07 AU

Year: 4257 Days

Day: 12.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,916,340 km

• M1: 287,078 km (0.083 R)

Planet 3 - Terrestrial

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.22 AU - 6.4 AU

Year: 4281 Days

Day: 23.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.45 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 11.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.9

Radius: 13.2

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 11.24 AU - 11.94 AU

Year: 13804 Days

Day: 7.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 170.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,916,340 km

• M1: 165,904 km (0.047 R)
• M2: 995,873 km (0.083 R)
• M3: 1,638,695 km (0.111 R)
• M4: 3,231,912 km (0.098 R)
• M5: 4,004,885 km (0.036 R)
• M6: 4,597,143 km (0.096 R)
• M7: 5,465,259 km (0.113 R)
• M8: 6,990,708 km (0.099 R)
• M9: 8,090,851 km (0.111 R)
• M10: 8,682,660 km (0.054 R)
• M11: 9,356,150 km (0.082 R)
• M12: 11,588,001 km (0.111 R)
• M13: 12,086,461 km (0.086 R)
• M14: 12,926,902 km (0.105 R)
• M15: 17,159,474 km (0.037 R)
• M16: 18,981,875 km (0.118 R)
• M17: 19,413,465 km (0.071 R)
• M18: 20,838,684 km (0.057 R)
• M19: 21,764,396 km (0.05 R)
• M20: 23,203,827 km (0.075 R)
• M21: 27,792,592 km (0.087 R)
• M22: 29,027,821 km (0.077 R)
• M23: 29,832,658 km (0.118 R)
• M24: 33,703,203 km (0.068 R)
• M25: 36,950,973 km (0.115 R)
• M26: 44,062,108 km (0.049 R)
• M27: 47,461,271 km (0.08 R)
• M28: 51,031,424 km (0.117 R)
• M29: 53,737,799 km (0.056 R)
• M30: 55,829,327 km (0.098 R)
• M31: 57,433,315 km (0.046 R)
• M32: 58,884,564 km (0.113 R)
• M33: 59,619,389 km (0.108 R)
• M34: 61,671,423 km (0.085 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 12,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit