🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.63 AU - 0.75 AU

Year: 205 Days

Day: 42.3 Hours

Environment

Temp: 206 °C

Axial Tilt: 16.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.74 AU - 0.8 AU

Year: 242 Days

Day: 45.2 Hours

Environment

Temp: 172 °C

Axial Tilt: 46.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.86 AU - 1.2 AU

Year: 374 Days

Day: 36.2 Hours

Environment

Temp: 31 °C

Axial Tilt: 25.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.78 AU - 2.98 AU

Year: 1751 Days

Day: 24.7 Hours

Environment

Temp: -85 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,954,612 km

• M1: 126,859 km (0.047 R)

Asteroid Belt

Center: 5.08 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.3

Radius: 9.6

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.66 AU - 7.9 AU

Year: 7035 Days

Day: 11.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,954,612 km

• M1: 119,379 km (0.09 R)
• M2: 450,290 km (0.069 R)
• M3: 869,313 km (0.047 R)
• M4: 1,266,645 km (0.118 R)
• M5: 1,642,734 km (0.098 R)
• M6: 2,487,663 km (0.09 R)
• M7: 3,084,858 km (0.091 R)
• M8: 6,339,659 km (0.111 R)
• M9: 7,452,816 km (0.112 R)
• M10: 9,760,064 km (0.042 R)
• M11: 11,333,834 km (0.064 R)
• M12: 13,332,162 km (0.106 R)
• M13: 14,414,652 km (0.057 R)
• M14: 16,815,399 km (0.042 R)
• M15: 18,468,904 km (0.057 R)
• M16: 19,402,993 km (0.076 R)
• M17: 22,618,749 km (0.098 R)
• M18: 23,532,792 km (0.054 R)
• M19: 23,998,939 km (0.112 R)
• M20: 24,709,828 km (0.086 R)
• M21: 28,916,820 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74

Radius: 12

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 8.79 AU - 13.75 AU

Year: 13551 Days

Day: 14.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,954,612 km

• M1: 149,299 km (0.11 R)
• M2: 533,616 km (0.095 R)
• M3: 1,261,559 km (0.046 R)
• M4: 1,639,144 km (0.058 R)
• M5: 2,422,289 km (0.108 R)
• M6: 3,129,139 km (0.078 R)
• M7: 3,837,634 km (0.098 R)
• M8: 4,625,566 km (0.096 R)
• M9: 5,462,865 km (0.091 R)
• M10: 7,101,860 km (0.047 R)
• M11: 7,680,055 km (0.113 R)
• M12: 9,047,380 km (0.082 R)
• M13: 9,727,452 km (0.102 R)
• M14: 11,554,192 km (0.08 R)
• M15: 12,695,474 km (0.114 R)
• M16: 13,192,737 km (0.115 R)
• M17: 14,492,593 km (0.085 R)
• M18: 17,105,021 km (0.103 R)
• M19: 18,522,311 km (0.063 R)
• M20: 20,351,893 km (0.101 R)

Kuiper Belt

Range: 30.6 - 53.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 19,290 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit