🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.68 AU - 1.14 AU

Year: 366 Days

Day: 36.8 Hours

Environment

Temp: -33 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.12 AU - 2.44 AU

Year: 1452 Days

Day: 44.5 Hours

Environment

Temp: -111 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157

Radius: 11.6

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.41 AU - 3.73 AU

Year: 2269 Days

Day: 10.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,446,359 km

• M1: 146,756 km (0.03 R)
• M2: 527,632 km (0.07 R)
• M3: 897,288 km (0.116 R)
• M4: 1,530,985 km (0.113 R)
• M5: 2,035,129 km (0.099 R)
• M6: 4,298,545 km (0.053 R)
• M7: 4,686,602 km (0.091 R)
• M8: 5,781,958 km (0.071 R)
• M9: 6,412,662 km (0.109 R)
• M10: 7,431,873 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.9

Radius: 12.7

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.16 AU - 3.28 AU

Year: 2437 Days

Day: 8.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,446,359 km

• M1: 159,023 km (0.059 R)
• M2: 650,751 km (0.11 R)
• M3: 1,490,593 km (0.087 R)
• M4: 2,745,271 km (0.087 R)
• M5: 5,356,950 km (0.113 R)
• M6: 8,752,074 km (0.069 R)
• M7: 9,785,197 km (0.113 R)
• M8: 10,235,786 km (0.112 R)
• M9: 11,057,826 km (0.043 R)
• M10: 14,356,908 km (0.098 R)
• M11: 14,988,959 km (0.119 R)
• M12: 15,639,410 km (0.091 R)
• M13: 16,152,531 km (0.083 R)
• M14: 18,037,763 km (0.1 R)
• M15: 19,120,553 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.4

Radius: 8.3

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.37 AU - 3.91 AU

Year: 2929 Days

Day: 13.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,446,359 km

• M1: 110,104 km (0.04 R)
• M2: 389,553 km (0.081 R)
• M3: 688,599 km (0.05 R)
• M4: 1,114,803 km (0.105 R)
• M5: 1,416,542 km (0.051 R)
• M6: 2,007,903 km (0.098 R)
• M7: 2,393,716 km (0.1 R)
• M8: 2,696,801 km (0.057 R)
• M9: 3,025,617 km (0.053 R)
• M10: 3,298,035 km (0.11 R)
• M11: 3,621,764 km (0.034 R)
• M12: 4,765,141 km (0.106 R)
• M13: 6,731,007 km (0.066 R)
• M14: 10,213,495 km (0.051 R)
• M15: 10,719,435 km (0.095 R)
• M16: 12,097,531 km (0.082 R)
• M17: 13,633,153 km (0.109 R)
• M18: 14,832,928 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.1

Radius: 14

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.42 AU - 6.92 AU

Year: 5694 Days

Day: 12.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,446,359 km

• M1: 174,880 km (0.085 R)
• M2: 622,926 km (0.089 R)
• M3: 1,725,611 km (0.07 R)
• M4: 2,933,913 km (0.103 R)
• M5: 3,851,846 km (0.096 R)
• M6: 4,622,574 km (0.102 R)
• M7: 7,599,422 km (0.051 R)
• M8: 9,407,612 km (0.117 R)
• M9: 15,048,499 km (0.079 R)
• M10: 15,497,591 km (0.115 R)
• M11: 16,071,449 km (0.088 R)
• M12: 16,659,368 km (0.116 R)
• M13: 25,909,154 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 14.3

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.14 AU - 7.54 AU

Year: 8387 Days

Day: 10.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,446,359 km

• M1: 178,919 km (0.099 R)
• M2: 1,044,193 km (0.106 R)
• M3: 1,746,256 km (0.063 R)
• M4: 2,247,558 km (0.077 R)
• M5: 2,864,949 km (0.119 R)
• M6: 3,395,423 km (0.044 R)
• M7: 4,214,022 km (0.107 R)
• M8: 5,277,514 km (0.118 R)
• M9: 6,081,303 km (0.096 R)
• M10: 8,169,540 km (0.054 R)
• M11: 8,696,723 km (0.071 R)
• M12: 9,420,477 km (0.046 R)
• M13: 11,332,039 km (0.058 R)
• M14: 13,268,733 km (0.104 R)
• M15: 14,934,355 km (0.074 R)
• M16: 15,973,462 km (0.111 R)
• M17: 17,389,107 km (0.06 R)
• M18: 19,595,526 km (0.119 R)
• M19: 21,217,017 km (0.105 R)
• M20: 25,147,402 km (0.113 R)
• M21: 26,882,887 km (0.108 R)
• M22: 29,162,908 km (0.074 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 18,610 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit