🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.59 AU - 0.69 AU

Year: 185 Days

Day: 15.1 Hours

Environment

Temp: 225 °C

Axial Tilt: 34.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.27 AU - 1.33 AU

Year: 536 Days

Day: 40.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 11 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.33 AU - 2.05 AU

Year: 795 Days

Day: 40 Hours

Environment

Temp: -42 °C

Axial Tilt: 81.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.63 AU - 2.05 AU

Year: 903 Days

Day: 18.5 Hours

Environment

Temp: -50 °C

Axial Tilt: 47.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.56 AU - 4.18 AU

Year: 2237 Days

Day: 34.2 Hours

Environment

Temp: -105 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.26 AU - 3.9 AU

Year: 2450 Days

Day: 39 Hours

Environment

Temp: -124 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,295,622 km

• M1: 108,458 km (0.041 R)

Asteroid Belt

Center: 5.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.3

Radius: 14.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.25 AU - 10.25 AU

Year: 8570 Days

Day: 10.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,295,622 km

• M1: 185,501 km (0.03 R)
• M2: 1,036,414 km (0.101 R)
• M3: 1,949,859 km (0.073 R)
• M4: 2,447,122 km (0.111 R)
• M5: 3,336,033 km (0.112 R)
• M6: 4,080,132 km (0.11 R)
• M7: 5,011,379 km (0.03 R)
• M8: 5,641,336 km (0.101 R)
• M9: 6,385,735 km (0.094 R)
• M10: 6,961,537 km (0.089 R)
• M11: 8,555,053 km (0.107 R)
• M12: 9,018,508 km (0.099 R)
• M13: 10,774,787 km (0.052 R)
• M14: 11,270,404 km (0.076 R)
• M15: 14,956,197 km (0.111 R)
• M16: 15,573,886 km (0.051 R)
• M17: 17,715,529 km (0.116 R)
• M18: 24,147,191 km (0.117 R)
• M19: 25,155,181 km (0.071 R)
• M20: 29,034,703 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.2

Radius: 9.3

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 10.49 AU - 13.41 AU

Year: 14940 Days

Day: 11 Hours

Environment

Temp: -172 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,295,622 km

• M1: 174,282 km (0.105 R)
• M2: 796,908 km (0.097 R)
• M3: 1,458,729 km (0.119 R)
• M4: 1,886,728 km (0.105 R)
• M5: 3,167,286 km (0.084 R)
• M6: 4,304,828 km (0.111 R)
• M7: 5,130,908 km (0.113 R)
• M8: 6,509,751 km (0.086 R)
• M9: 7,170,824 km (0.088 R)
• M10: 13,455,431 km (0.093 R)
• M11: 16,239,298 km (0.083 R)
• M12: 18,153,103 km (0.082 R)
• M13: 19,017,629 km (0.102 R)
• M14: 24,965,641 km (0.116 R)
• M15: 31,632,919 km (0.063 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.1

Radius: 12.4

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 10.19 AU - 14.79 AU

Year: 15964 Days

Day: 9.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,295,622 km

• M1: 154,535 km (0.076 R)
• M2: 565,330 km (0.067 R)
• M3: 1,031,926 km (0.087 R)
• M4: 3,398,265 km (0.081 R)
• M5: 3,914,527 km (0.095 R)
• M6: 4,455,922 km (0.084 R)
• M7: 5,407,664 km (0.119 R)
• M8: 6,147,874 km (0.03 R)
• M9: 8,357,584 km (0.063 R)
• M10: 8,821,936 km (0.083 R)
• M11: 9,573,217 km (0.069 R)
• M12: 19,016,133 km (0.112 R)
• M13: 20,648,844 km (0.109 R)
• M14: 21,973,234 km (0.118 R)
• M15: 23,938,352 km (0.106 R)
• M16: 24,963,546 km (0.111 R)
• M17: 29,747,387 km (0.062 R)
• M18: 31,032,433 km (0.101 R)
• M19: 35,656,952 km (0.092 R)

Kuiper Belt

Range: 30.3 - 52.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 13,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit