🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.62 AU - 1.02 AU

Year: 281 Days

Day: 15.6 Hours

Environment

Temp: 125 °C

Axial Tilt: 47.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 26,840,215 km

• M1: 41,289 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.87 AU - 0.97 AU

Year: 334 Days

Day: 31.4 Hours

Environment

Temp: 35 °C

Axial Tilt: 26.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 26,840,215 km

• M1: 237,113 km (0.119 R)
• M2: 431,889 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.96 AU - 1.12 AU

Year: 402 Days

Day: 22.5 Hours

Environment

Temp: 8 °C

Axial Tilt: 35.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.91 AU - 1.41 AU

Year: 473 Days

Day: 23.8 Hours

Environment

Temp: -17 °C

Axial Tilt: 41.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.09 AU - 1.25 AU

Year: 479 Days

Day: 37.3 Hours

Environment

Temp: 6 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.25 AU - 1.57 AU

Year: 634 Days

Day: 22.3 Hours

Environment

Temp: -36 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.81 AU - 2.17 AU

Year: 1063 Days

Day: 12.2 Hours

Environment

Temp: -85 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.1

Radius: 11.8

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.02 AU - 5.3 AU

Year: 4439 Days

Day: 10.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,840,215 km

• M1: 146,905 km (0.057 R)
• M2: 517,908 km (0.068 R)
• M3: 992,881 km (0.09 R)
• M4: 1,784,553 km (0.098 R)
• M5: 2,892,475 km (0.098 R)
• M6: 3,616,529 km (0.045 R)
• M7: 4,480,456 km (0.098 R)
• M8: 5,071,667 km (0.039 R)
• M9: 7,609,296 km (0.098 R)
• M10: 10,047,891 km (0.099 R)
• M11: 11,747,771 km (0.039 R)
• M12: 13,777,216 km (0.043 R)
• M13: 16,630,047 km (0.091 R)
• M14: 19,669,726 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.2

Radius: 12.6

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.66 AU - 5.7 AU

Year: 4465 Days

Day: 12.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,840,215 km

• M1: 157,227 km (0.084 R)
• M2: 748,737 km (0.089 R)
• M3: 1,205,460 km (0.119 R)
• M4: 2,414,210 km (0.082 R)
• M5: 2,909,379 km (0.113 R)
• M6: 3,552,501 km (0.098 R)
• M7: 3,973,918 km (0.117 R)
• M8: 6,702,583 km (0.099 R)
• M9: 7,151,676 km (0.073 R)
• M10: 8,110,449 km (0.117 R)
• M11: 9,037,357 km (0.1 R)
• M12: 9,828,580 km (0.025 R)
• M13: 10,283,208 km (0.089 R)
• M14: 10,969,563 km (0.065 R)
• M15: 12,149,741 km (0.083 R)
• M16: 14,389,969 km (0.041 R)
• M17: 15,524,519 km (0.094 R)
• M18: 16,370,794 km (0.099 R)
• M19: 17,426,656 km (0.097 R)
• M20: 18,093,862 km (0.101 R)
• M21: 19,869,440 km (0.105 R)
• M22: 21,967,849 km (0.089 R)
• M23: 24,509,966 km (0.113 R)
• M24: 25,194,226 km (0.072 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: 198 - 15,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit