🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.72 AU - 1.06 AU

Year: 316 Days

Day: 15.3 Hours

Environment

Temp: 45 °C

Axial Tilt: 34.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.79 AU - 1.29 AU

Year: 400 Days

Day: 44.9 Hours

Environment

Temp: -4 °C

Axial Tilt: 35.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.92 AU - 1.22 AU

Year: 417 Days

Day: 42.8 Hours

Environment

Temp: 2 °C

Axial Tilt: 9.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.73 AU - 4.35 AU

Year: 3059 Days

Day: 46.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.6

Radius: 12.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 8.22 AU - 11.58 AU

Year: 11735 Days

Day: 6 Hours

Environment

Temp: -182 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 28,412,488 km

• M1: 154,235 km (0.065 R)
• M2: 386,411 km (0.059 R)
• M3: 486,791 km (0.107 R)
• M4: 732,132 km (0.098 R)
• M5: 1,182,721 km (0.106 R)
• M6: 1,341,145 km (0.078 R)
• M7: 1,616,255 km (0.082 R)
• M8: 2,097,811 km (0.118 R)
• M9: 2,871,382 km (0.051 R)
• M10: 3,107,746 km (0.025 R)
• M11: 3,412,327 km (0.089 R)
• M12: 4,006,979 km (0.114 R)
• M13: 4,338,937 km (0.097 R)
• M14: 4,702,908 km (0.11 R)
• M15: 5,705,064 km (0.098 R)
• M16: 5,953,397 km (0.054 R)
• M17: 6,358,059 km (0.063 R)
• M18: 7,328,052 km (0.088 R)
• M19: 7,899,067 km (0.105 R)
• M20: 8,287,722 km (0.099 R)
• M21: 8,569,265 km (0.064 R)
• M22: 10,083,495 km (0.115 R)
• M23: 10,233,542 km (0.072 R)
• M24: 10,626,834 km (0.06 R)
• M25: 13,155,038 km (0.111 R)
• M26: 13,881,635 km (0.073 R)
• M27: 14,452,052 km (0.103 R)
• M28: 14,791,190 km (0.054 R)
• M29: 15,030,098 km (0.057 R)
• M30: 17,345,424 km (0.066 R)
• M31: 17,597,497 km (0.114 R)
• M32: 17,742,158 km (0.079 R)
• M33: 17,923,321 km (0.108 R)
• M34: 20,411,433 km (0.107 R)
• M35: 22,651,212 km (0.112 R)
• M36: 22,926,921 km (0.039 R)
• M37: 25,049,266 km (0.074 R)
• M38: 25,456,770 km (0.086 R)
• M39: 26,983,566 km (0.093 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 14,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit