🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.39 AU - 0.63 AU

Year: 130 Days

Day: 35.9 Hours

Environment

Temp: 241 °C

Axial Tilt: 26.1 °

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: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.72 AU - 0.82 AU

Year: 242 Days

Day: 35 Hours

Environment

Temp: 134 °C

Axial Tilt: 44.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.14 AU - 1.34 AU

Year: 495 Days

Day: 29.3 Hours

Environment

Temp: 19 °C

Axial Tilt: 31.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 66,253,609 km

• M1: 40,092 km (0.049 R)
• M2: 63,429 km (0.097 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.98 AU - 1.58 AU

Year: 519 Days

Day: 26.4 Hours

Environment

Temp: -8 °C

Axial Tilt: 9.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 66,253,609 km

• M1: 78,240 km (0.096 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.4 AU - 2.96 AU

Year: 1571 Days

Day: 23.1 Hours

Environment

Temp: -80 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,253,609 km

• M1: 38,147 km (0.101 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.78 AU - 3.6 AU

Year: 2041 Days

Day: 27.8 Hours

Environment

Temp: -103 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.5

Radius: 13.1

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.87 AU - 8.97 AU

Year: 7983 Days

Day: 13.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,253,609 km

• M1: 171,738 km (0.118 R)
• M2: 672,742 km (0.103 R)
• M3: 2,333,428 km (0.084 R)
• M4: 2,756,640 km (0.118 R)
• M5: 3,883,860 km (0.113 R)
• M6: 4,763,944 km (0.107 R)
• M7: 10,568,790 km (0.084 R)
• M8: 11,069,046 km (0.055 R)
• M9: 13,345,028 km (0.059 R)
• M10: 14,048,886 km (0.081 R)
• M11: 20,295,195 km (0.059 R)
• M12: 22,430,705 km (0.106 R)
• M13: 29,338,835 km (0.086 R)
• M14: 30,832,271 km (0.117 R)
• M15: 33,326,217 km (0.072 R)
• M16: 33,754,516 km (0.108 R)
• M17: 37,085,462 km (0.099 R)
• M18: 38,594,755 km (0.111 R)
• M19: 39,067,185 km (0.065 R)
• M20: 39,663,332 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.2

Radius: 14.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.63 AU - 9.27 AU

Year: 8028 Days

Day: 5.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,253,609 km

• M1: 184,005 km (0.057 R)
• M2: 746,344 km (0.094 R)
• M3: 1,691,204 km (0.047 R)
• M4: 2,497,836 km (0.115 R)
• M5: 3,279,185 km (0.066 R)
• M6: 4,140,719 km (0.098 R)
• M7: 5,118,940 km (0.067 R)
• M8: 6,246,309 km (0.083 R)
• M9: 7,972,819 km (0.113 R)
• M10: 10,980,334 km (0.058 R)
• M11: 11,810,453 km (0.066 R)
• M12: 12,460,156 km (0.101 R)
• M13: 14,492,743 km (0.087 R)
• M14: 15,174,909 km (0.119 R)
• M15: 16,670,738 km (0.044 R)
• M16: 24,074,785 km (0.029 R)
• M17: 25,209,485 km (0.045 R)
• M18: 25,925,311 km (0.103 R)
• M19: 29,908,205 km (0.094 R)
• M20: 33,417,920 km (0.095 R)
• M21: 40,387,835 km (0.073 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.5

Radius: 13.9

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 10.61 AU - 12.87 AU

Year: 14407 Days

Day: 13.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,253,609 km

• M1: 172,935 km (0.083 R)
• M2: 987,346 km (0.082 R)
• M3: 1,718,730 km (0.108 R)
• M4: 2,338,215 km (0.093 R)
• M5: 2,886,341 km (0.109 R)
• M6: 3,466,033 km (0.109 R)
• M7: 3,943,849 km (0.03 R)
• M8: 5,426,812 km (0.093 R)
• M9: 5,996,032 km (0.086 R)
• M10: 7,618,720 km (0.077 R)
• M11: 8,632,844 km (0.032 R)
• M12: 9,198,923 km (0.111 R)
• M13: 9,844,587 km (0.06 R)
• M14: 10,578,215 km (0.059 R)
• M15: 14,162,730 km (0.102 R)
• M16: 14,733,745 km (0.119 R)
• M17: 15,171,917 km (0.069 R)
• M18: 18,320,354 km (0.108 R)
• M19: 23,923,991 km (0.078 R)
• M20: 32,138,559 km (0.038 R)
• M21: 36,741,087 km (0.091 R)
• M22: 37,278,293 km (0.105 R)
• M23: 37,820,586 km (0.077 R)
• M24: 39,619,650 km (0.119 R)
• M25: 41,185,939 km (0.05 R)
• M26: 47,072,466 km (0.112 R)
• M27: 51,461,518 km (0.105 R)

Kuiper Belt

Range: 30.6 - 55.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 17,271 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit