🌌 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: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.66 AU - 1.04 AU

Year: 355 Days

Day: 37.1 Hours

Environment

Temp: -55 °C

Axial Tilt: 48.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.75 AU - 0.95 AU

Year: 355 Days

Day: 13.8 Hours

Environment

Temp: -52 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.97 AU - 1.09 AU

Year: 474 Days

Day: 31.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.4

Radius: 9

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.99 AU - 7.85 AU

Year: 7369 Days

Day: 12 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,612,070 km

• M1: 112,049 km (0.115 R)
• M2: 405,261 km (0.113 R)
• M3: 1,210,696 km (0.099 R)
• M4: 1,584,241 km (0.111 R)
• M5: 2,104,842 km (0.054 R)
• M6: 2,418,998 km (0.068 R)
• M7: 3,080,071 km (0.085 R)
• M8: 4,633,345 km (0.114 R)
• M9: 7,390,584 km (0.112 R)
• M10: 8,491,175 km (0.096 R)
• M11: 8,902,569 km (0.116 R)
• M12: 9,834,265 km (0.108 R)
• M13: 14,573,226 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.8

Radius: 11.1

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.53 AU - 8.09 AU

Year: 8051 Days

Day: 10.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 46,612,070 km

• M1: 141,520 km (0.117 R)
• M2: 1,104,631 km (0.086 R)
• M3: 1,495,979 km (0.096 R)
• M4: 1,932,655 km (0.102 R)
• M5: 2,473,002 km (0.074 R)
• M6: 2,937,504 km (0.114 R)
• M7: 3,507,920 km (0.025 R)
• M8: 4,096,887 km (0.098 R)
• M9: 5,277,663 km (0.057 R)
• M10: 5,740,669 km (0.088 R)
• M11: 7,334,784 km (0.092 R)
• M12: 8,835,549 km (0.044 R)
• M13: 9,927,614 km (0.106 R)
• M14: 11,160,600 km (0.031 R)
• M15: 11,593,536 km (0.1 R)
• M16: 13,499,113 km (0.068 R)
• M17: 14,304,249 km (0.097 R)
• M18: 15,471,711 km (0.088 R)
• M19: 16,842,027 km (0.09 R)
• M20: 19,354,823 km (0.092 R)
• M21: 20,298,337 km (0.114 R)
• M22: 21,520,701 km (0.11 R)
• M23: 22,023,200 km (0.051 R)
• M24: 22,619,198 km (0.087 R)
• M25: 24,744,834 km (0.053 R)
• M26: 25,296,402 km (0.088 R)
• M27: 25,950,294 km (0.116 R)
• M28: 26,615,406 km (0.076 R)
• M29: 27,979,589 km (0.059 R)
• M30: 32,133,772 km (0.107 R)
• M31: 36,444,884 km (0.085 R)
• M32: 39,482,468 km (0.039 R)
• M33: 43,080,596 km (0.101 R)
• M34: 44,013,040 km (0.114 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 12,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit