🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.44 AU - 0.74 AU

Year: 164 Days

Day: 28.5 Hours

Environment

Temp: 190 °C

Axial Tilt: 4.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,709,756 km

• M1: 35,305 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.59 AU - 0.77 AU

Year: 203 Days

Day: 37.6 Hours

Environment

Temp: 142 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,709,756 km

• M1: 39,793 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.16 AU - 1.49 AU

Year: 548 Days

Day: 29.9 Hours

Environment

Temp: -1 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 66,709,756 km

• M1: 46,525 km (0.108 R)
• M2: 207,343 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.59 AU - 1.77 AU

Year: 788 Days

Day: 14.7 Hours

Environment

Temp: -39 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.01 AU - 3.01 AU

Year: 1438 Days

Day: 47.7 Hours

Environment

Temp: -90 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3 AU - 4.76 AU

Year: 2764 Days

Day: 38.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.1 AU - 5.38 AU

Year: 3732 Days

Day: 37 Hours

Environment

Temp: -126 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.12 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 17.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.2

Radius: 3.5

Gravity: 19.69 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 14.34 AU - 20.64 AU

Year: 26453 Days

Day: 18.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,709,756 km

• M1: 51,611 km (0.111 R)
• M2: 538,104 km (0.098 R)
• M3: 1,167,611 km (0.117 R)
• M4: 2,563,958 km (0.079 R)
• M5: 3,621,764 km (0.026 R)
• M6: 5,080,493 km (0.102 R)
• M7: 6,548,497 km (0.045 R)
• M8: 10,006,302 km (0.108 R)
• M9: 10,748,906 km (0.113 R)
• M10: 11,650,682 km (0.106 R)
• M11: 14,088,230 km (0.094 R)
• M12: 17,893,252 km (0.063 R)
• M13: 19,764,721 km (0.062 R)
• M14: 22,907,174 km (0.074 R)
• M15: 23,297,475 km (0.115 R)
• M16: 44,283,513 km (0.1 R)
• M17: 44,434,308 km (0.099 R)
• M18: 54,815,801 km (0.106 R)
• M19: 63,967,601 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.3

Radius: 5.9

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 19.07 AU - 19.15 AU

Year: 30212 Days

Day: 24.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,709,756 km

• M1: 73,453 km (0.072 R)
• M2: 927,208 km (0.07 R)
• M3: 1,356,105 km (0.104 R)
• M4: 1,551,928 km (0.09 R)
• M5: 2,001,470 km (0.059 R)
• M6: 3,260,785 km (0.077 R)
• M7: 3,935,621 km (0.108 R)
• M8: 4,467,292 km (0.079 R)
• M9: 5,045,637 km (0.102 R)
• M10: 7,675,568 km (0.045 R)
• M11: 11,526,815 km (0.095 R)
• M12: 13,209,941 km (0.063 R)
• M13: 14,756,633 km (0.096 R)
• M14: 15,649,284 km (0.047 R)
• M15: 16,815,100 km (0.054 R)
• M16: 17,378,485 km (0.117 R)
• M17: 17,954,288 km (0.093 R)
• M18: 18,457,984 km (0.101 R)
• M19: 20,841,676 km (0.104 R)
• M20: 21,585,477 km (0.059 R)
• M21: 23,822,563 km (0.116 R)
• M22: 24,024,221 km (0.094 R)
• M23: 24,841,774 km (0.119 R)
• M24: 26,209,697 km (0.107 R)
• M25: 29,209,882 km (0.071 R)
• M26: 31,091,524 km (0.051 R)
• M27: 35,355,662 km (0.075 R)
• M28: 37,354,888 km (0.116 R)
• M29: 46,262,693 km (0.11 R)
• M30: 47,367,323 km (0.051 R)
• M31: 55,420,476 km (0.091 R)
• M32: 61,078,866 km (0.113 R)
• M33: 64,730,550 km (0.066 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 16,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit