🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.73 AU - 0.95 AU

Year: 289 Days

Day: 30.5 Hours

Environment

Temp: 76 °C

Axial Tilt: 4.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.02 AU - 1.16 AU

Year: 426 Days

Day: 41.4 Hours

Environment

Temp: 7 °C

Axial Tilt: 12.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 87,211,533 km

• M1: 17,802 km (0.033 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.93 AU - 1.41 AU

Year: 474 Days

Day: 20.3 Hours

Environment

Temp: -11 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.27 AU - 2.03 AU

Year: 794 Days

Day: 12.7 Hours

Environment

Temp: -64 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.18 AU - 5.26 AU

Year: 3249 Days

Day: 22.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.74 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.4

Radius: 12.4

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.82 AU - 5.68 AU

Year: 4508 Days

Day: 13.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,211,533 km

• M1: 154,235 km (0.071 R)
• M2: 584,180 km (0.106 R)
• M3: 979,567 km (0.075 R)
• M4: 1,450,052 km (0.1 R)
• M5: 2,100,952 km (0.093 R)
• M6: 2,672,117 km (0.056 R)
• M7: 3,325,261 km (0.095 R)
• M8: 3,744,734 km (0.109 R)
• M9: 4,319,190 km (0.087 R)
• M10: 6,215,193 km (0.103 R)
• M11: 7,056,681 km (0.038 R)
• M12: 7,540,481 km (0.108 R)
• M13: 9,086,275 km (0.069 R)
• M14: 9,785,795 km (0.11 R)
• M15: 11,292,246 km (0.094 R)
• M16: 12,004,032 km (0.03 R)
• M17: 13,308,376 km (0.102 R)
• M18: 15,612,034 km (0.065 R)
• M19: 16,375,881 km (0.108 R)
• M20: 17,662,422 km (0.119 R)
• M21: 18,556,868 km (0.106 R)
• M22: 19,347,343 km (0.103 R)
• M23: 21,999,115 km (0.038 R)
• M24: 23,793,841 km (0.1 R)
• M25: 24,257,295 km (0.116 R)
• M26: 29,583,727 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.2

Radius: 4.5

Gravity: 30.23 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 11.24 AU - 13.16 AU

Year: 15969 Days

Day: 18.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,211,533 km

• M1: 59,091 km (0.114 R)
• M2: 1,052,571 km (0.087 R)
• M3: 2,576,973 km (0.111 R)
• M4: 3,120,612 km (0.083 R)
• M5: 3,881,317 km (0.057 R)
• M6: 5,572,221 km (0.051 R)
• M7: 8,917,379 km (0.115 R)
• M8: 12,225,587 km (0.081 R)
• M9: 13,533,072 km (0.075 R)
• M10: 14,360,797 km (0.077 R)
• M11: 16,345,662 km (0.1 R)
• M12: 19,697,851 km (0.099 R)
• M13: 21,672,543 km (0.099 R)
• M14: 23,092,227 km (0.082 R)
• M15: 24,977,908 km (0.07 R)
• M16: 25,906,013 km (0.097 R)
• M17: 30,658,887 km (0.107 R)
• M18: 32,932,176 km (0.093 R)
• M19: 58,110,096 km (0.106 R)
• M20: 62,512,761 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.4

Radius: 5

Gravity: 18.9 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 15.17 AU - 21.61 AU

Year: 29553 Days

Day: 15.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 87,211,533 km

• M1: 71,807 km (0.092 R)
• M2: 240,703 km (0.068 R)
• M3: 622,926 km (0.089 R)
• M4: 846,425 km (0.036 R)
• M5: 1,375,403 km (0.101 R)
• M6: 2,438,894 km (0.087 R)
• M7: 3,640,913 km (0.116 R)
• M8: 4,334,897 km (0.06 R)
• M9: 7,385,198 km (0.072 R)
• M10: 10,378,053 km (0.092 R)
• M11: 13,036,706 km (0.067 R)
• M12: 15,285,162 km (0.113 R)
• M13: 16,201,599 km (0.075 R)
• M14: 18,051,975 km (0.08 R)
• M15: 21,441,115 km (0.097 R)
• M16: 24,217,203 km (0.102 R)
• M17: 26,508,892 km (0.099 R)
• M18: 28,073,686 km (0.1 R)
• M19: 29,826,524 km (0.119 R)
• M20: 35,091,621 km (0.086 R)
• M21: 35,808,494 km (0.096 R)
• M22: 36,243,226 km (0.082 R)
• M23: 37,717,812 km (0.072 R)
• M24: 39,848,684 km (0.116 R)
• M25: 42,219,511 km (0.108 R)
• M26: 44,850,190 km (0.081 R)
• M27: 49,533,650 km (0.115 R)
• M28: 55,108,265 km (0.095 R)
• M29: 64,444,968 km (0.113 R)
• M30: 67,262,643 km (0.115 R)
• M31: 69,036,874 km (0.119 R)
• M32: 76,445,709 km (0.104 R)
• M33: 79,110,047 km (0.074 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 14,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit