🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.49 AU - 0.65 AU

Year: 157 Days

Day: 15.3 Hours

Environment

Temp: 231 °C

Axial Tilt: 0.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.74 AU - 0.96 AU

Year: 286 Days

Day: 33.7 Hours

Environment

Temp: 95 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.92 AU - 1.3 AU

Year: 427 Days

Day: 36.9 Hours

Environment

Temp: 26 °C

Axial Tilt: 19.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.12 AU - 1.46 AU

Year: 535 Days

Day: 14.8 Hours

Environment

Temp: -2 °C

Axial Tilt: 13.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 43,928,149 km

• M1: 447,746 km (0.102 R)
• M2: 679,324 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.25 AU - 1.93 AU

Year: 732 Days

Day: 47.1 Hours

Environment

Temp: -52 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,928,149 km

• M1: 46,525 km (0.11 R)

Asteroid Belt

Center: 3.66 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.9

Radius: 15

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.3 AU - 7.16 AU

Year: 5010 Days

Day: 5.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,928,149 km

• M1: 194,477 km (0.11 R)
• M2: 824,434 km (0.118 R)
• M3: 4,831,413 km (0.116 R)
• M4: 5,449,252 km (0.109 R)
• M5: 6,256,183 km (0.059 R)
• M6: 7,447,431 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.6

Radius: 7.3

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 12.71 AU - 13.55 AU

Year: 17378 Days

Day: 16.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,928,149 km

• M1: 90,806 km (0.075 R)
• M2: 610,359 km (0.071 R)
• M3: 870,211 km (0.071 R)
• M4: 1,396,795 km (0.053 R)
• M5: 2,458,491 km (0.109 R)
• M6: 2,691,116 km (0.117 R)
• M7: 2,981,336 km (0.091 R)
• M8: 4,818,697 km (0.049 R)
• M9: 6,148,622 km (0.118 R)
• M10: 7,625,602 km (0.119 R)
• M11: 8,732,776 km (0.053 R)
• M12: 10,437,743 km (0.092 R)
• M13: 13,393,797 km (0.067 R)
• M14: 14,304,698 km (0.083 R)
• M15: 18,510,792 km (0.117 R)
• M16: 20,260,339 km (0.075 R)
• M17: 23,387,682 km (0.102 R)
• M18: 27,779,726 km (0.105 R)
• M19: 29,761,449 km (0.064 R)
• M20: 30,579,899 km (0.092 R)
• M21: 33,783,089 km (0.106 R)
• M22: 34,449,547 km (0.105 R)
• M23: 35,238,078 km (0.082 R)
• M24: 39,976,291 km (0.026 R)
• M25: 41,603,317 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 19,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit