🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.61 AU - 0.83 AU

Year: 221 Days

Day: 23.6 Hours

Environment

Temp: 192 °C

Axial Tilt: 35.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 90,934,468 km

• M1: 94,546 km (0.113 R)
• M2: 116,686 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.18 AU - 1.36 AU

Year: 518 Days

Day: 16.8 Hours

Environment

Temp: 8 °C

Axial Tilt: 1.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 90,934,468 km

• M1: 43,982 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.82 AU - 2.28 AU

Year: 1062 Days

Day: 18.7 Hours

Environment

Temp: -71 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.05 AU - 3.01 AU

Year: 1455 Days

Day: 26.3 Hours

Environment

Temp: -89 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.25 AU - 4.23 AU

Year: 2616 Days

Day: 22.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.74 AU - 4.78 AU

Year: 3180 Days

Day: 17.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.45 AU - 5.09 AU

Year: 3768 Days

Day: 40.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 11.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.7

Radius: 8.3

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 11.07 AU - 11.37 AU

Year: 13592 Days

Day: 9.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,934,468 km

• M1: 103,223 km (0.045 R)
• M2: 371,751 km (0.071 R)
• M3: 2,321,759 km (0.119 R)
• M4: 3,140,658 km (0.064 R)
• M5: 4,553,161 km (0.037 R)
• M6: 5,286,938 km (0.088 R)
• M7: 8,396,928 km (0.1 R)
• M8: 8,989,186 km (0.086 R)
• M9: 15,172,515 km (0.087 R)
• M10: 19,601,510 km (0.047 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.3

Radius: 14.5

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.94 AU - 13.92 AU

Year: 13975 Days

Day: 13.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,934,468 km

• M1: 198,217 km (0.103 R)
• M2: 797,207 km (0.108 R)
• M3: 1,310,926 km (0.034 R)
• M4: 2,079,710 km (0.084 R)
• M5: 3,231,912 km (0.056 R)
• M6: 6,480,281 km (0.106 R)
• M7: 6,996,842 km (0.097 R)
• M8: 10,263,012 km (0.081 R)
• M9: 12,769,525 km (0.115 R)
• M10: 14,005,203 km (0.101 R)
• M11: 20,296,242 km (0.078 R)
• M12: 21,055,751 km (0.11 R)
• M13: 21,977,573 km (0.09 R)
• M14: 22,704,918 km (0.096 R)
• M15: 29,201,205 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633

Radius: 6.7

Gravity: 14.1 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 16.88 AU - 18.74 AU

Year: 27182 Days

Day: 15.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,934,468 km

• M1: 87,964 km (0.086 R)
• M2: 2,164,382 km (0.063 R)
• M3: 2,763,821 km (0.114 R)
• M4: 4,648,006 km (0.095 R)
• M5: 5,349,171 km (0.115 R)
• M6: 7,458,800 km (0.054 R)
• M7: 8,641,222 km (0.1 R)
• M8: 9,100,487 km (0.108 R)
• M9: 9,576,059 km (0.113 R)
• M10: 15,281,273 km (0.049 R)
• M11: 23,126,484 km (0.047 R)
• M12: 25,496,713 km (0.05 R)
• M13: 29,156,924 km (0.101 R)
• M14: 41,398,518 km (0.053 R)
• M15: 42,373,148 km (0.087 R)
• M16: 52,030,887 km (0.106 R)
• M17: 55,877,348 km (0.091 R)
• M18: 58,273,906 km (0.079 R)
• M19: 59,703,014 km (0.104 R)
• M20: 69,452,906 km (0.079 R)
• M21: 72,689,605 km (0.069 R)
• M22: 78,223,081 km (0.075 R)
• M23: 83,257,349 km (0.073 R)
• M24: 84,289,574 km (0.112 R)

Kuiper Belt

Range: 30.3 - 51.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 18,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit